{"id":359,"date":"2026-01-26T01:24:37","date_gmt":"2026-01-25T17:24:37","guid":{"rendered":"https:\/\/skwp.zeabur.app\/2026\/01\/26\/%e3%80%90vitest-react-%e6%b8%ac%e8%a9%a6%e6%95%99%e5%ad%b8%e3%80%9102-react-%e5%85%83%e4%bb%b6%e6%b8%ac%e8%a9%a6%ef%bc%9arender%e3%80%81screen-%e8%88%87-userevent\/"},"modified":"2026-01-26T01:24:37","modified_gmt":"2026-01-25T17:24:37","slug":"%e3%80%90vitest-react-%e6%b8%ac%e8%a9%a6%e6%95%99%e5%ad%b8%e3%80%9102-react-%e5%85%83%e4%bb%b6%e6%b8%ac%e8%a9%a6%ef%bc%9arender%e3%80%81screen-%e8%88%87-userevent","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/01\/26\/%e3%80%90vitest-react-%e6%b8%ac%e8%a9%a6%e6%95%99%e5%ad%b8%e3%80%9102-react-%e5%85%83%e4%bb%b6%e6%b8%ac%e8%a9%a6%ef%bc%9arender%e3%80%81screen-%e8%88%87-userevent\/","title":{"rendered":"\u3010Vitest React \u6e2c\u8a66\u6559\u5b78\u3011#02 React \u5143\u4ef6\u6e2c\u8a66\uff1arender\u3001screen \u8207 userEvent"},"content":{"rendered":"\n<div id=\"quiz-basic\">\n<style>\n#quiz-basic .question {\n        background: white;\n        border-radius: 8px;\n        padding: 20px;\n        margin: 20px 0;\n        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);\n      }#quiz-basic .question h3 {\n        margin-top: 0;\n        color: #333;\n      }#quiz-basic .options {\n        list-style: none;\n        padding: 0;\n      }#quiz-basic .options li {\n        padding: 12px 15px;\n        margin: 8px 0;\n        border: 2px solid #ddd;\n        border-radius: 6px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-basic .options li:hover:not(.disabled) {\n        border-color: #4caf50;\n        background: #f0fff0;\n      }#quiz-basic .options li.correct {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-basic .options li.wrong {\n        border-color: #f44336;\n        background: #ffebee;\n      }#quiz-basic .options li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-basic .options li.show-answer {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-basic .feedback {\n        margin-top: 15px;\n        padding: 12px;\n        border-radius: 6px;\n        display: none;\n      }#quiz-basic .feedback.correct {\n        background: #e8f5e9;\n        color: #2e7d32;\n        display: block;\n      }#quiz-basic .feedback.wrong {\n        background: #ffebee;\n        color: #c62828;\n        display: block;\n      }#quiz-basic .score {\n        text-align: center;\n        font-size: 1.5em;\n        padding: 20px;\n        background: white;\n        border-radius: 8px;\n        margin-top: 20px;\n      }#quiz-basic .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Monaco\", \"Consolas\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }\n<\/style>\n<h1>\u6e2c\u9a57\uff1aReact \u5143\u4ef6\u6e2c\u8a66\uff1arender\u3001screen \u8207 userEvent<\/h1>\n    <p>\u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c<\/p>\n\n    <div class=\"question\" id=\"q1\">\n      <h3>1. \u5728 Testing Library \u4e2d\uff0c<code>render()<\/code> \u51fd\u6578\u7684\u4e3b\u8981\u529f\u80fd\u662f\u4ec0\u9ebc\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'B')\">A. \u5c07\u5143\u4ef6\u90e8\u7f72\u5230\u6b63\u5f0f\u4f3a\u670d\u5668<\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'B')\">B. \u5c07\u5143\u4ef6\u6e32\u67d3\u5230\u6e2c\u8a66\u74b0\u5883\u7684\u865b\u64ec DOM<\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'B')\">C. \u7de8\u8b6f TypeScript \u7a0b\u5f0f\u78bc<\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'B')\">D. \u81ea\u52d5\u7522\u751f\u6e2c\u8a66\u5831\u544a<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. \u7576\u4f60\u60f3\u78ba\u8a8d\u67d0\u500b\u5143\u7d20\u300c\u4e0d\u5b58\u5728\u300d\u65bc\u756b\u9762\u4e0a\u6642\uff0c\u61c9\u8a72\u4f7f\u7528\u54ea\u500b\u67e5\u8a62\u65b9\u6cd5\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'C')\">A. <code>getByText()<\/code><\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'C')\">B. <code>findByText()<\/code><\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'C')\">C. <code>queryByText()<\/code><\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'C')\">D. <code>getAllByText()<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb2\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q3\">\n      <h3>3. \u70ba\u4ec0\u9ebc\u63a8\u85a6\u4f7f\u7528 <code>userEvent<\/code> \u800c\u4e0d\u662f <code>fireEvent<\/code> \u4f86\u6a21\u64ec\u4f7f\u7528\u8005\u64cd\u4f5c\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'B')\">A. userEvent \u57f7\u884c\u901f\u5ea6\u6bd4\u8f03\u5feb<\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'B')\">B. userEvent \u6a21\u64ec\u5b8c\u6574\u7684\u4f7f\u7528\u8005\u884c\u70ba\u6d41\u7a0b\uff08\u5982 focus\u3001hover\uff09\uff0c\u66f4\u63a5\u8fd1\u771f\u4eba\u64cd\u4f5c<\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'B')\">C. fireEvent \u5df2\u88ab\u5b98\u65b9\u68c4\u7528<\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'B')\">D. userEvent \u4e0d\u9700\u8981\u5b89\u88dd\u984d\u5916\u5957\u4ef6<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. \u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u4f7f\u7528 <code>userEvent<\/code> \u6642\u9700\u8981\u6ce8\u610f\u4ec0\u9ebc\uff1f<\/h3>\n      <div class=\"code-block\">await userEvent.click(screen.getByRole(&#8216;button&#8217;));<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'A')\">A. userEvent \u7684\u64cd\u4f5c\u662f\u975e\u540c\u6b65\u7684\uff0c\u5fc5\u9808\u52a0\u4e0a await<\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'A')\">B. \u5fc5\u9808\u5148\u547c\u53eb userEvent.setup() \u521d\u59cb\u5316<\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'A')\">C. click \u65b9\u6cd5\u53ea\u80fd\u7528\u65bc button \u5143\u7d20<\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'A')\">D. \u4e0d\u80fd\u8207 screen.getByRole \u4e00\u8d77\u4f7f\u7528<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. \u7576\u5143\u7d20\u6703\u5728 API \u56de\u61c9\u5f8c\u624d\u975e\u540c\u6b65\u51fa\u73fe\u6642\uff0c\u61c9\u8a72\u4f7f\u7528\u54ea\u500b\u67e5\u8a62\u65b9\u6cd5\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'B')\">A. <code>getByText()<\/code><\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'B')\">B. <code>findByText()<\/code><\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'B')\">C. <code>queryByText()<\/code><\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'B')\">D. <code>getByTestId()<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb5\"><\/div>\n    <\/div>\n\n    <div class=\"score\" id=\"score\" style=\"display:none;\"><\/div>\n<script>\n\n      let answered = 0;\n      let correct = 0;\n      const total = 5;\n      const explanations = {\n        1: \"<code>render()<\/code> \u5c31\u662f\u5728\u6e2c\u8a66\u88e1\u300c\u6253\u958b\u9019\u500b\u5143\u4ef6\u300d\uff0c\u5c07 React \u5143\u4ef6\u6e32\u67d3\u5230\u6e2c\u8a66\u74b0\u5883\u7684\u865b\u64ec DOM \u4e2d\uff0c\u8b93\u6211\u5011\u53ef\u4ee5\u67e5\u8a62\u548c\u64cd\u4f5c\u5143\u7d20\u3002\",\n        2: \"<code>queryBy<\/code> \u7cfb\u5217\u65b9\u6cd5\u5728\u627e\u4e0d\u5230\u5143\u7d20\u6642\u6703\u56de\u50b3 null\uff0c\u800c\u4e0d\u662f\u62cb\u51fa\u932f\u8aa4\uff0c\u56e0\u6b64\u9069\u5408\u7528\u4f86\u78ba\u8a8d\u5143\u7d20\u4e0d\u5b58\u5728\u3002\u642d\u914d <code>expect(...).not.toBeInTheDocument()<\/code> \u4f7f\u7528\u3002\",\n        3: \"<code>userEvent<\/code> \u6a21\u64ec\u771f\u5be6\u7684\u4f7f\u7528\u8005\u884c\u70ba\uff0c\u5305\u542b\u5b8c\u6574\u7684\u64cd\u4f5c\u6d41\u7a0b\uff08\u5148 focus\u3001\u518d hover\u3001\u6700\u5f8c click\uff09\uff0c\u6bd4 <code>fireEvent<\/code> \u53ea\u89f8\u767c\u55ae\u4e00\u4e8b\u4ef6\u66f4\u63a5\u8fd1\u771f\u5be6\u60c5\u6cc1\uff0c\u6e2c\u8a66\u66f4\u53ef\u9760\u3002\",\n        4: \"<code>userEvent<\/code> \u7684\u6240\u6709\u64cd\u4f5c\u90fd\u662f\u975e\u540c\u6b65\u7684\uff0c\u5fc5\u9808\u4f7f\u7528 <code>await<\/code> \u7b49\u5f85\u64cd\u4f5c\u5b8c\u6210\uff0c\u5426\u5247\u6e2c\u8a66\u53ef\u80fd\u5728\u64cd\u4f5c\u5b8c\u6210\u524d\u5c31\u9032\u884c\u65b7\u8a00\uff0c\u5c0e\u81f4\u6e2c\u8a66\u7d50\u679c\u4e0d\u7a69\u5b9a\u3002\",\n        5: \"<code>findBy<\/code> \u7cfb\u5217\u65b9\u6cd5\u6703\u7b49\u5f85\u5143\u7d20\u51fa\u73fe\uff08\u9810\u8a2d\u7b49\u5f85 1000ms\uff09\uff0c\u9069\u5408\u7528\u65bc\u975e\u540c\u6b65\u8f09\u5165\u7684\u5167\u5bb9\uff0c\u4f8b\u5982 API \u56de\u61c9\u5f8c\u624d\u986f\u793a\u7684\u8cc7\u6599\u3002\"\n      };\n\n      function checkAnswer(qNum, selected, correctAns) {\n        const question = document.getElementById(\"q\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answered++;\n\n        const options = question.querySelectorAll(\".options li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fb\" + qNum);\n        if (selected === correctAns) {\n          correct++;\n          feedback.className = \"feedback correct\";\n          feedback.innerHTML = \"\u2713 \u6b63\u78ba\uff01\" + explanations[qNum];\n        } else {\n          feedback.className = \"feedback wrong\";\n          feedback.innerHTML =\n            \"\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanations[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answered === total) {\n          const scoreDiv = document.getElementById(\"score\");\n          scoreDiv.style.display = \"block\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" +\n            correct +\n            \" \/ \" +\n            total +\n            (correct === total\n              ? \" \ud83c\udf89 \u5168\u5c0d\uff01\"\n              : correct >= Math.ceil(total * 0.6)\n                ? \" \ud83d\udc4d \u4e0d\u932f\uff01\"\n                : \" \ud83d\udcda \u518d\u8907\u7fd2\u4e00\u4e0b\u5427\");\n        }\n      }\n    \n<\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7528 Testing Library \u6e32\u67d3\u5143\u4ef6\u3001\u67e5\u8a62\u5143\u7d20\u3001\u6a21\u64ec\u4f7f\u7528\u8005\u64cd\u4f5c\u4f86\u6e2c\u8a66 React \u5143\u4ef6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9019\u7bc7\u6587\u7ae0\u6703\u6559\u4f60<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8b80\u5b8c\u9019\u7bc7\uff0c\u4f60\u6703\u770b\u61c2\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>render()<\/code> \u600e\u9ebc\u628a\u5143\u4ef6\u6e32\u67d3\u5230\u6e2c\u8a66\u74b0\u5883<\/li>\n<li><code>screen<\/code> \u7684\u5404\u7a2e\u67e5\u8a62\u65b9\u6cd5\uff08getByRole\u3001getByText \u7b49\uff09<\/li>\n<li><code>userEvent<\/code> \u600e\u9ebc\u6a21\u64ec\u9ede\u64ca\u548c\u8f38\u5165<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">30 \u79d2\u7bc4\u4f8b<\/h2>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> { render, screen } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@testing-library\/react'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> userEvent <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@testing-library\/user-event'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> { Counter } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'.\/Counter'<\/span>;\n\ntest(<span class=\"hljs-string\">'\u9ede\u64ca\u6309\u9215\u5f8c\u6578\u5b57\u589e\u52a0'<\/span>, <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Counter<\/span> \/&gt;<\/span><\/span>);\n\n    <span class=\"hljs-keyword\">await<\/span> userEvent.click(screen.getByRole(<span class=\"hljs-string\">'button'<\/span>));\n\n    expect(screen.getByText(<span class=\"hljs-string\">'1'<\/span>)).toBeInTheDocument();\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9019\u6bb5\u4ee3\u78bc\u505a\u4e86\u4ec0\u9ebc<\/strong>\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>render(&lt;Counter \/&gt;)<\/code> &#8211; \u628a Counter \u5143\u4ef6\u6e32\u67d3\u5230\u865b\u64ec DOM<\/li>\n<li><code>screen.getByRole('button')<\/code> &#8211; \u627e\u5230\u6309\u9215\u5143\u7d20<\/li>\n<li><code>userEvent.click(...)<\/code> &#8211; \u6a21\u64ec\u4f7f\u7528\u8005\u9ede\u64ca<\/li>\n<li><code>expect(...).toBeInTheDocument()<\/code> &#8211; \u78ba\u8a8d\u756b\u9762\u4e0a\u6709 &#8216;1&#8217;<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">render() \u51fd\u6578\uff1a\u6e32\u67d3\u5143\u4ef6\u5230\u865b\u64ec DOM<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5c0f\u7bc4\u4f8b<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> { render } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@testing-library\/react'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> { MyComponent } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'.\/MyComponent'<\/span>;\n\nrender(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">MyComponent<\/span> \/&gt;<\/span><\/span>);  <span class=\"hljs-comment\">\/\/ \u628a\u5143\u4ef6\u6e32\u67d3\u5230\u6e2c\u8a66\u74b0\u5883<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u53e5\u8a71<\/strong>\uff1a<code>render()<\/code> \u5c31\u662f\u5728\u6e2c\u8a66\u88e1\u300c\u6253\u958b\u9019\u500b\u5143\u4ef6\u300d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5e36 props \u7684\u6e32\u67d3<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u5143\u4ef6\u5b9a\u7fa9<\/span>\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">Greeting<\/span>(<span class=\"hljs-params\">{ name }: { name: string }<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">h1<\/span>&gt;<\/span>Hello, {name}!<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">h1<\/span>&gt;<\/span><\/span>;\n}\n\n<span class=\"hljs-comment\">\/\/ \u6e2c\u8a66<\/span>\nrender(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Greeting<\/span> <span class=\"hljs-attr\">name<\/span>=<span class=\"hljs-string\">\"Alice\"<\/span> \/&gt;<\/span><\/span>);  <span class=\"hljs-comment\">\/\/ \u50b3\u5165 props<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">render \u56de\u50b3\u4ec0\u9ebc<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-4\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">const<\/span> { container, rerender, unmount } = render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">MyComponent<\/span> \/&gt;<\/span><\/span>);\n\ncontainer    <span class=\"hljs-comment\">\/\/ \u6e32\u67d3\u7d50\u679c\u7684 DOM \u5bb9\u5668<\/span>\nrerender     <span class=\"hljs-comment\">\/\/ \u91cd\u65b0\u6e32\u67d3\uff08\u6e2c\u8a66 props \u8b8a\u5316\u7528\uff09<\/span>\nunmount      <span class=\"hljs-comment\">\/\/ \u5378\u8f09\u5143\u4ef6\uff08\u6e2c\u8a66\u6e05\u7406\u908f\u8f2f\u7528\uff09<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-4\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u56de\u50b3\u503c<\/th>\n<th>\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>container<\/code><\/td>\n<td>\u53d6\u5f97\u6e32\u67d3\u7684 DOM \u5bb9\u5668<\/td>\n<\/tr>\n<tr>\n<td><code>rerender<\/code><\/td>\n<td>\u7528\u65b0 props \u91cd\u65b0\u6e32\u67d3<\/td>\n<\/tr>\n<tr>\n<td><code>unmount<\/code><\/td>\n<td>\u5378\u8f09\u5143\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">screen API\uff1a\u67e5\u8a62\u5143\u7d20<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>screen<\/code> \u63d0\u4f9b\u5404\u7a2e\u65b9\u6cd5\u4f86\u300c\u627e\u5230\u756b\u9762\u4e0a\u7684\u5143\u7d20\u300d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6700\u5e38\u7528\u7684\u67e5\u8a62\u65b9\u6cd5<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-5\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> { render, screen } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@testing-library\/react'<\/span>;\n\nrender(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">MyComponent<\/span> \/&gt;<\/span><\/span>);\n\n<span class=\"hljs-comment\">\/\/ \u7528\u89d2\u8272\u67e5\u8a62\uff08\u63a8\u85a6\uff09<\/span>\nscreen.getByRole(<span class=\"hljs-string\">'button'<\/span>);           <span class=\"hljs-comment\">\/\/ \u627e\u6309\u9215<\/span>\nscreen.getByRole(<span class=\"hljs-string\">'textbox'<\/span>);          <span class=\"hljs-comment\">\/\/ \u627e\u8f38\u5165\u6846<\/span>\nscreen.getByRole(<span class=\"hljs-string\">'heading'<\/span>);          <span class=\"hljs-comment\">\/\/ \u627e\u6a19\u984c<\/span>\n\n<span class=\"hljs-comment\">\/\/ \u7528\u6587\u5b57\u67e5\u8a62<\/span>\nscreen.getByText(<span class=\"hljs-string\">'Submit'<\/span>);           <span class=\"hljs-comment\">\/\/ \u627e\u5305\u542b \"Submit\" \u7684\u5143\u7d20<\/span>\nscreen.getByText(<span class=\"hljs-regexp\">\/submit\/i<\/span>);          <span class=\"hljs-comment\">\/\/ \u4e0d\u5206\u5927\u5c0f\u5beb<\/span>\n\n<span class=\"hljs-comment\">\/\/ \u7528 label \u67e5\u8a62\uff08\u8868\u55ae\u63a8\u85a6\uff09<\/span>\nscreen.getByLabelText(<span class=\"hljs-string\">'Email'<\/span>);       <span class=\"hljs-comment\">\/\/ \u627e label \u662f \"Email\" \u7684\u8f38\u5165\u6846<\/span>\n\n<span class=\"hljs-comment\">\/\/ \u7528 placeholder \u67e5\u8a62<\/span>\nscreen.getByPlaceholderText(<span class=\"hljs-string\">'Enter your name'<\/span>);\n\n<span class=\"hljs-comment\">\/\/ \u7528 test id \u67e5\u8a62\uff08\u6700\u5f8c\u624b\u6bb5\uff09<\/span>\nscreen.getByTestId(<span class=\"hljs-string\">'custom-element'<\/span>); <span class=\"hljs-comment\">\/\/ \u627e data-testid=\"custom-element\"<\/span>\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-5\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">getBy vs queryBy vs findBy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u662f\u6700\u5bb9\u6613\u641e\u6df7\u7684\u5730\u65b9\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u65b9\u6cd5<\/th>\n<th>\u627e\u4e0d\u5230\u6642<\/th>\n<th>\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>getBy<\/code><\/td>\n<td>\u62cb\u51fa\u932f\u8aa4<\/td>\n<td>\u5143\u7d20\u4e00\u5b9a\u5b58\u5728<\/td>\n<\/tr>\n<tr>\n<td><code>queryBy<\/code><\/td>\n<td>\u56de\u50b3 null<\/td>\n<td>\u78ba\u8a8d\u5143\u7d20\u4e0d\u5b58\u5728<\/td>\n<\/tr>\n<tr>\n<td><code>findBy<\/code><\/td>\n<td>\u7b49\u5f85\u5f8c\u62cb\u51fa\u932f\u8aa4<\/td>\n<td>\u5143\u7d20\u6703\u975e\u540c\u6b65\u51fa\u73fe<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-6\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u5143\u7d20\u4e00\u5b9a\u5b58\u5728<\/span>\n<span class=\"hljs-keyword\">const<\/span> button = screen.getByRole(<span class=\"hljs-string\">'button'<\/span>);\n\n<span class=\"hljs-comment\">\/\/ \u78ba\u8a8d\u5143\u7d20\u4e0d\u5b58\u5728<\/span>\nexpect(screen.queryByText(<span class=\"hljs-string\">'Error'<\/span>)).not.toBeInTheDocument();\n\n<span class=\"hljs-comment\">\/\/ \u7b49\u5f85\u5143\u7d20\u51fa\u73fe\uff08API \u56de\u61c9\u5f8c\u624d\u986f\u793a\uff09<\/span>\n<span class=\"hljs-keyword\">const<\/span> message = <span class=\"hljs-keyword\">await<\/span> screen.findByText(<span class=\"hljs-string\">'Success'<\/span>);\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-6\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u8a62\u591a\u500b\u5143\u7d20<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-7\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ getBy \u53ea\u80fd\u627e\u5230\u4e00\u500b\uff0c\u627e\u5230\u591a\u500b\u6703\u5831\u932f<\/span>\nscreen.getByRole(<span class=\"hljs-string\">'listitem'<\/span>);  <span class=\"hljs-comment\">\/\/ \u5982\u679c\u6709\u591a\u500b\u6703\u932f\u8aa4<\/span>\n\n<span class=\"hljs-comment\">\/\/ \u7528 getAllBy \u627e\u591a\u500b<\/span>\n<span class=\"hljs-keyword\">const<\/span> items = screen.getAllByRole(<span class=\"hljs-string\">'listitem'<\/span>);\nexpect(items).toHaveLength(<span class=\"hljs-number\">3<\/span>);\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-7\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7ffb\u8b6f\u5c0d\u7167\u8868<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u4f60\u6703\u770b\u5230<\/th>\n<th>\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>screen.getByRole('button')<\/code><\/td>\n<td>\u627e\u5230\uff08\u552f\u4e00\u7684\uff09\u6309\u9215<\/td>\n<\/tr>\n<tr>\n<td><code>screen.getByText('Hello')<\/code><\/td>\n<td>\u627e\u5230\u5305\u542b &#8220;Hello&#8221; \u7684\u5143\u7d20<\/td>\n<\/tr>\n<tr>\n<td><code>screen.queryByText('Error')<\/code><\/td>\n<td>\u627e &#8220;Error&#8221;\uff0c\u627e\u4e0d\u5230\u5c31\u56de\u50b3 null<\/td>\n<\/tr>\n<tr>\n<td><code>screen.findByText('Loaded')<\/code><\/td>\n<td>\u7b49\u5f85\u4e26\u627e\u5230 &#8220;Loaded&#8221;<\/td>\n<\/tr>\n<tr>\n<td><code>screen.getAllByRole('listitem')<\/code><\/td>\n<td>\u627e\u5230\u6240\u6709 listitem<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">userEvent\uff1a\u6a21\u64ec\u4f7f\u7528\u8005\u64cd\u4f5c<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u53e5\u8a71\u8aaa\u660e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>userEvent<\/code> \u6a21\u64ec\u771f\u5be6\u7684\u4f7f\u7528\u8005\u884c\u70ba\uff08\u9ede\u64ca\u3001\u6253\u5b57\u3001\u9078\u64c7\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u70ba\u4ec0\u9ebc\u7528 userEvent \u4e0d\u7528 fireEvent<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-8\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ fireEvent\uff1a\u76f4\u63a5\u89f8\u767c\u4e8b\u4ef6<\/span>\nfireEvent.click(button);\n\n<span class=\"hljs-comment\">\/\/ userEvent\uff1a\u6a21\u64ec\u771f\u5be6\u4f7f\u7528\u8005\u884c\u70ba<\/span>\n<span class=\"hljs-keyword\">await<\/span> userEvent.click(button);\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-8\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u5dee\u7570<\/th>\n<th>fireEvent<\/th>\n<th>userEvent<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u884c\u70ba\u6a21\u64ec<\/td>\n<td>\u53ea\u89f8\u767c\u55ae\u4e00\u4e8b\u4ef6<\/td>\n<td>\u6a21\u64ec\u5b8c\u6574\u6d41\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>focus<\/td>\n<td>\u4e0d\u6703 focus<\/td>\n<td>\u6703\u5148 focus<\/td>\n<\/tr>\n<tr>\n<td>hover<\/td>\n<td>\u4e0d\u6703 hover<\/td>\n<td>\u6703\u5148 hover<\/td>\n<\/tr>\n<tr>\n<td>\u63a8\u85a6\u5ea6<\/td>\n<td>\u7279\u6b8a\u60c5\u6cc1<\/td>\n<td>\u65e5\u5e38\u4f7f\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e00\u53e5\u8a71<\/strong>\uff1a<code>userEvent<\/code> \u66f4\u50cf\u771f\u4eba\u64cd\u4f5c\uff0c\u6e2c\u8a66\u66f4\u53ef\u9760\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9ede\u64ca\u64cd\u4f5c<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-9\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">import<\/span> userEvent <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@testing-library\/user-event'<\/span>;\n\ntest(<span class=\"hljs-string\">'\u9ede\u64ca\u6309\u9215'<\/span>, <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Counter<\/span> \/&gt;<\/span><\/span>);\n\n    <span class=\"hljs-keyword\">const<\/span> button = screen.getByRole(<span class=\"hljs-string\">'button'<\/span>);\n    <span class=\"hljs-keyword\">await<\/span> userEvent.click(button);       <span class=\"hljs-comment\">\/\/ \u55ae\u64ca<\/span>\n    <span class=\"hljs-keyword\">await<\/span> userEvent.dblClick(button);    <span class=\"hljs-comment\">\/\/ \u96d9\u64ca<\/span>\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-9\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u8f38\u5165\u6587\u5b57<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-10\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">test(<span class=\"hljs-string\">'\u8f38\u5165\u6587\u5b57'<\/span>, <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">LoginForm<\/span> \/&gt;<\/span><\/span>);\n\n    <span class=\"hljs-keyword\">const<\/span> input = screen.getByLabelText(<span class=\"hljs-string\">'Email'<\/span>);\n\n    <span class=\"hljs-comment\">\/\/ \u8f38\u5165\u6587\u5b57<\/span>\n    <span class=\"hljs-keyword\">await<\/span> userEvent.type(input, <span class=\"hljs-string\">'test@example.com'<\/span>);\n\n    <span class=\"hljs-comment\">\/\/ \u6e05\u9664\u5f8c\u8f38\u5165<\/span>\n    <span class=\"hljs-keyword\">await<\/span> userEvent.clear(input);\n    <span class=\"hljs-keyword\">await<\/span> userEvent.type(input, <span class=\"hljs-string\">'new@example.com'<\/span>);\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-10\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u9078\u64c7\u4e0b\u62c9\u9078\u55ae<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-11\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">test(<span class=\"hljs-string\">'\u9078\u64c7\u9078\u9805'<\/span>, <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">CountrySelector<\/span> \/&gt;<\/span><\/span>);\n\n    <span class=\"hljs-keyword\">const<\/span> select = screen.getByRole(<span class=\"hljs-string\">'combobox'<\/span>);\n    <span class=\"hljs-keyword\">await<\/span> userEvent.selectOptions(select, <span class=\"hljs-string\">'TW'<\/span>);\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-11\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7ffb\u8b6f\u5c0d\u7167\u8868<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u4f60\u6703\u770b\u5230<\/th>\n<th>\u610f\u601d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>userEvent.click(el)<\/code><\/td>\n<td>\u9ede\u64ca\u5143\u7d20<\/td>\n<\/tr>\n<tr>\n<td><code>userEvent.type(el, 'text')<\/code><\/td>\n<td>\u8f38\u5165\u6587\u5b57<\/td>\n<\/tr>\n<tr>\n<td><code>userEvent.clear(el)<\/code><\/td>\n<td>\u6e05\u9664\u8f38\u5165\u6846<\/td>\n<\/tr>\n<tr>\n<td><code>userEvent.selectOptions(el, 'value')<\/code><\/td>\n<td>\u9078\u64c7\u4e0b\u62c9\u9078\u9805<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5be6\u6230\u7bc4\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b 1\uff1a\u6e2c\u8a66\u6309\u9215\u9ede\u64ca<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f85\u6e2c\u5143\u4ef6\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-12\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ Counter.tsx<\/span>\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">Counter<\/span>(<span class=\"hljs-params\"><\/span>) <\/span>{\n    <span class=\"hljs-keyword\">const<\/span> &#91;count, setCount] = useState(<span class=\"hljs-number\">0<\/span>);\n    <span class=\"hljs-keyword\">return<\/span> (\n        <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span>&gt;<\/span>\n            <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">span<\/span> <span class=\"hljs-attr\">data-testid<\/span>=<span class=\"hljs-string\">\"count\"<\/span>&gt;<\/span>{count}<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">span<\/span>&gt;<\/span>\n            <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span> <span class=\"hljs-attr\">onClick<\/span>=<span class=\"hljs-string\">{()<\/span> =&gt;<\/span> setCount(c =&gt; c + 1)}&gt;+1<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span>\n        <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span><\/span>\n    );\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-12\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u6e2c\u8a66\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-13\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ Counter.test.tsx<\/span>\n<span class=\"hljs-keyword\">import<\/span> { render, screen } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@testing-library\/react'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> userEvent <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@testing-library\/user-event'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> { Counter } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'.\/Counter'<\/span>;\n\ntest(<span class=\"hljs-string\">'\u9ede\u64ca\u6309\u9215\u589e\u52a0\u8a08\u6578'<\/span>, <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    <span class=\"hljs-comment\">\/\/ Arrange\uff1a\u6e32\u67d3\u5143\u4ef6<\/span>\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Counter<\/span> \/&gt;<\/span><\/span>);\n\n    <span class=\"hljs-comment\">\/\/ Act\uff1a\u9ede\u64ca\u6309\u9215<\/span>\n    <span class=\"hljs-keyword\">await<\/span> userEvent.click(screen.getByRole(<span class=\"hljs-string\">'button'<\/span>));\n\n    <span class=\"hljs-comment\">\/\/ Assert\uff1a\u78ba\u8a8d\u8a08\u6578\u589e\u52a0<\/span>\n    expect(screen.getByTestId(<span class=\"hljs-string\">'count'<\/span>)).toHaveTextContent(<span class=\"hljs-string\">'1'<\/span>);\n});\n\ntest(<span class=\"hljs-string\">'\u591a\u6b21\u9ede\u64ca\u7d2f\u52a0'<\/span>, <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Counter<\/span> \/&gt;<\/span><\/span>);\n    <span class=\"hljs-keyword\">const<\/span> button = screen.getByRole(<span class=\"hljs-string\">'button'<\/span>);\n\n    <span class=\"hljs-keyword\">await<\/span> userEvent.click(button);\n    <span class=\"hljs-keyword\">await<\/span> userEvent.click(button);\n    <span class=\"hljs-keyword\">await<\/span> userEvent.click(button);\n\n    expect(screen.getByTestId(<span class=\"hljs-string\">'count'<\/span>)).toHaveTextContent(<span class=\"hljs-string\">'3'<\/span>);\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-13\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b 2\uff1a\u6e2c\u8a66\u8868\u55ae\u8f38\u5165<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f85\u6e2c\u5143\u4ef6\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-14\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ LoginForm.tsx<\/span>\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">LoginForm<\/span>(<span class=\"hljs-params\">{ onSubmit }: { onSubmit: (data: FormData<\/span>) =&gt; <span class=\"hljs-title\">void<\/span> }) <\/span>{\n    <span class=\"hljs-keyword\">const<\/span> &#91;email, setEmail] = useState(<span class=\"hljs-string\">''<\/span>);\n    <span class=\"hljs-keyword\">const<\/span> &#91;password, setPassword] = useState(<span class=\"hljs-string\">''<\/span>);\n\n    <span class=\"hljs-keyword\">const<\/span> handleSubmit = <span class=\"hljs-function\">(<span class=\"hljs-params\">e: React.FormEvent<\/span>) =&gt;<\/span> {\n        e.preventDefault();\n        onSubmit({ email, password });\n    };\n\n    <span class=\"hljs-keyword\">return<\/span> (\n        <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">form<\/span> <span class=\"hljs-attr\">onSubmit<\/span>=<span class=\"hljs-string\">{handleSubmit}<\/span>&gt;<\/span>\n            <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">label<\/span>&gt;<\/span>\n                Email\n                <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">input<\/span>\n                    <span class=\"hljs-attr\">type<\/span>=<span class=\"hljs-string\">\"email\"<\/span>\n                    <span class=\"hljs-attr\">value<\/span>=<span class=\"hljs-string\">{email}<\/span>\n                    <span class=\"hljs-attr\">onChange<\/span>=<span class=\"hljs-string\">{e<\/span> =&gt;<\/span> setEmail(e.target.value)}\n                \/&gt;\n            <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">label<\/span>&gt;<\/span>\n            <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">label<\/span>&gt;<\/span>\n                Password\n                <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">input<\/span>\n                    <span class=\"hljs-attr\">type<\/span>=<span class=\"hljs-string\">\"password\"<\/span>\n                    <span class=\"hljs-attr\">value<\/span>=<span class=\"hljs-string\">{password}<\/span>\n                    <span class=\"hljs-attr\">onChange<\/span>=<span class=\"hljs-string\">{e<\/span> =&gt;<\/span> setPassword(e.target.value)}\n                \/&gt;\n            <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">label<\/span>&gt;<\/span>\n            <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">button<\/span> <span class=\"hljs-attr\">type<\/span>=<span class=\"hljs-string\">\"submit\"<\/span>&gt;<\/span>Login<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">button<\/span>&gt;<\/span>\n        <span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">form<\/span>&gt;<\/span><\/span>\n    );\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-14\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u6e2c\u8a66\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-15\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ LoginForm.test.tsx<\/span>\n<span class=\"hljs-keyword\">import<\/span> { render, screen } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@testing-library\/react'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> userEvent <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'@testing-library\/user-event'<\/span>;\n<span class=\"hljs-keyword\">import<\/span> { LoginForm } <span class=\"hljs-keyword\">from<\/span> <span class=\"hljs-string\">'.\/LoginForm'<\/span>;\n\ntest(<span class=\"hljs-string\">'\u586b\u5beb\u8868\u55ae\u4e26\u9001\u51fa'<\/span>, <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    <span class=\"hljs-comment\">\/\/ Mock \u9001\u51fa\u51fd\u5f0f<\/span>\n    <span class=\"hljs-keyword\">const<\/span> handleSubmit = vi.fn();\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">LoginForm<\/span> <span class=\"hljs-attr\">onSubmit<\/span>=<span class=\"hljs-string\">{handleSubmit}<\/span> \/&gt;<\/span><\/span>);\n\n    <span class=\"hljs-comment\">\/\/ \u586b\u5beb\u8868\u55ae<\/span>\n    <span class=\"hljs-keyword\">await<\/span> userEvent.type(screen.getByLabelText(<span class=\"hljs-string\">'Email'<\/span>), <span class=\"hljs-string\">'test@example.com'<\/span>);\n    <span class=\"hljs-keyword\">await<\/span> userEvent.type(screen.getByLabelText(<span class=\"hljs-string\">'Password'<\/span>), <span class=\"hljs-string\">'password123'<\/span>);\n\n    <span class=\"hljs-comment\">\/\/ \u9ede\u64ca\u9001\u51fa<\/span>\n    <span class=\"hljs-keyword\">await<\/span> userEvent.click(screen.getByRole(<span class=\"hljs-string\">'button'<\/span>, { <span class=\"hljs-attr\">name<\/span>: <span class=\"hljs-string\">'Login'<\/span> }));\n\n    <span class=\"hljs-comment\">\/\/ \u78ba\u8a8d\u547c\u53eb<\/span>\n    expect(handleSubmit).toHaveBeenCalledWith({\n        <span class=\"hljs-attr\">email<\/span>: <span class=\"hljs-string\">'test@example.com'<\/span>,\n        <span class=\"hljs-attr\">password<\/span>: <span class=\"hljs-string\">'password123'<\/span>\n    });\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-15\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u7bc4\u4f8b 3\uff1a\u6e2c\u8a66 props \u8b8a\u5316<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-16\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ Greeting.tsx<\/span>\n<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">Greeting<\/span>(<span class=\"hljs-params\">{ name }: { name: string }<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">h1<\/span>&gt;<\/span>Hello, {name}!<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">h1<\/span>&gt;<\/span><\/span>;\n}\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-16\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u6e2c\u8a66\uff1a<\/p>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-17\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">test(<span class=\"hljs-string\">'props \u8b8a\u5316\u6642\u66f4\u65b0\u986f\u793a'<\/span>, () =&gt; {\n    <span class=\"hljs-keyword\">const<\/span> { rerender } = render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Greeting<\/span> <span class=\"hljs-attr\">name<\/span>=<span class=\"hljs-string\">\"Alice\"<\/span> \/&gt;<\/span><\/span>);\n\n    expect(screen.getByRole(<span class=\"hljs-string\">'heading'<\/span>)).toHaveTextContent(<span class=\"hljs-string\">'Hello, Alice!'<\/span>);\n\n    <span class=\"hljs-comment\">\/\/ \u7528\u65b0 props \u91cd\u65b0\u6e32\u67d3<\/span>\n    rerender(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Greeting<\/span> <span class=\"hljs-attr\">name<\/span>=<span class=\"hljs-string\">\"Bob\"<\/span> \/&gt;<\/span><\/span>);\n\n    expect(screen.getByRole(<span class=\"hljs-string\">'heading'<\/span>)).toHaveTextContent(<span class=\"hljs-string\">'Hello, Bob!'<\/span>);\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-17\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">AI \u6700\u5e38\u9019\u6a23\u5beb<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5f0f 1\uff1a\u57fa\u672c\u6e2c\u8a66\u7d50\u69cb<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-18\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">test(<span class=\"hljs-string\">'\u63cf\u8ff0\u6e2c\u8a66\u76ee\u7684'<\/span>, <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    <span class=\"hljs-comment\">\/\/ Arrange<\/span>\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Component<\/span> \/&gt;<\/span><\/span>);\n\n    <span class=\"hljs-comment\">\/\/ Act<\/span>\n    <span class=\"hljs-keyword\">await<\/span> userEvent.click(screen.getByRole(<span class=\"hljs-string\">'button'<\/span>));\n\n    <span class=\"hljs-comment\">\/\/ Assert<\/span>\n    expect(screen.getByText(<span class=\"hljs-string\">'Result'<\/span>)).toBeInTheDocument();\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-18\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5f0f 2\uff1a\u6e2c\u8a66\u975e\u540c\u6b65\u884c\u70ba<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-19\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">test(<span class=\"hljs-string\">'\u8f09\u5165\u8cc7\u6599\u5f8c\u986f\u793a'<\/span>, <span class=\"hljs-keyword\">async<\/span> () =&gt; {\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">UserList<\/span> \/&gt;<\/span><\/span>);\n\n    <span class=\"hljs-comment\">\/\/ \u7b49\u5f85\u975e\u540c\u6b65\u5167\u5bb9\u51fa\u73fe<\/span>\n    expect(<span class=\"hljs-keyword\">await<\/span> screen.findByText(<span class=\"hljs-string\">'User 1'<\/span>)).toBeInTheDocument();\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-19\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u6a21\u5f0f 3\uff1a\u6e2c\u8a66\u5143\u7d20\u4e0d\u5b58\u5728<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-20\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">test(<span class=\"hljs-string\">'\u932f\u8aa4\u8a0a\u606f\u9810\u8a2d\u4e0d\u986f\u793a'<\/span>, () =&gt; {\n    render(<span class=\"xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">Form<\/span> \/&gt;<\/span><\/span>);\n\n    <span class=\"hljs-comment\">\/\/ \u7528 queryBy \u78ba\u8a8d\u4e0d\u5b58\u5728<\/span>\n    expect(screen.queryByText(<span class=\"hljs-string\">'Error'<\/span>)).not.toBeInTheDocument();\n});\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-20\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Vibe Coder \u6aa2\u67e5\u9ede<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u770b\u5230 React \u6e2c\u8a66\u4ee3\u78bc\u6642\u78ba\u8a8d\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>[ ] \u7528 <code>render()<\/code> \u6e32\u67d3\u5143\u4ef6\u4e86\u55ce\uff1f<\/li>\n<li>[ ] \u67e5\u8a62\u65b9\u6cd5\u9078\u5c0d\u4e86\u55ce\uff1f\uff08getBy\/queryBy\/findBy\uff09<\/li>\n<li>[ ] \u4f7f\u7528\u8005\u64cd\u4f5c\u7528 <code>userEvent<\/code> \u800c\u4e0d\u662f <code>fireEvent<\/code> \u55ce\uff1f<\/li>\n<li>[ ] <code>userEvent<\/code> \u6709\u52a0 <code>await<\/code> \u55ce\uff1f<\/li>\n<li>[ ] \u975e\u540c\u6b65\u64cd\u4f5c\u7528 <code>findBy<\/code> \u6216\u52a0 <code>await<\/code> \u4e86\u55ce\uff1f<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u898b\u932f\u8aa4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u932f\u8aa4 1\uff1a\u5fd8\u8a18 await<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-21\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u932f\u8aa4\uff1auserEvent \u9700\u8981 await<\/span>\nuserEvent.click(button);\n\n<span class=\"hljs-comment\">\/\/ \u6b63\u78ba<\/span>\n<span class=\"hljs-keyword\">await<\/span> userEvent.click(button);\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-21\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u932f\u8aa4 2\uff1a\u627e\u591a\u500b\u5143\u7d20\u7528 getBy<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-22\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u932f\u8aa4\uff1a\u6709\u591a\u500b listitem \u6703\u5831\u932f<\/span>\nscreen.getByRole(<span class=\"hljs-string\">'listitem'<\/span>);\n\n<span class=\"hljs-comment\">\/\/ \u6b63\u78ba\uff1a\u7528 getAllBy<\/span>\nscreen.getAllByRole(<span class=\"hljs-string\">'listitem'<\/span>);\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-22\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\">\u932f\u8aa4 3\uff1a\u78ba\u8a8d\u4e0d\u5b58\u5728\u7528 getBy<\/h3>\n\n\n<div class=\"cbc-code-wrapper\"><div class=\"cbc-code-bar\"><button class=\"cbc-copy-button\">Copy<\/button><\/div><pre class=\"wp-block-code\" aria-describedby=\"shcb-language-23\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-comment\">\/\/ \u932f\u8aa4\uff1a\u627e\u4e0d\u5230\u6703\u5831\u932f<\/span>\nexpect(screen.getByText(<span class=\"hljs-string\">'Error'<\/span>)).not.toBeInTheDocument();\n\n<span class=\"hljs-comment\">\/\/ \u6b63\u78ba\uff1a\u7528 queryBy<\/span>\nexpect(screen.queryByText(<span class=\"hljs-string\">'Error'<\/span>)).not.toBeInTheDocument();\n<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-23\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre><\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5ef6\u4f38\uff1a\u77e5\u9053\u5c31\u597d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9019\u4e9b\u9032\u968e\u529f\u80fd\u9047\u5230\u518d\u67e5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>within<\/strong>\uff1a\u5728\u7279\u5b9a\u5bb9\u5668\u5167\u67e5\u8a62\u5143\u7d20<\/li>\n<li><strong>waitFor<\/strong>\uff1a\u7b49\u5f85\u67d0\u500b\u689d\u4ef6\u6210\u7acb<\/li>\n<li><strong>waitForElementToBeRemoved<\/strong>\uff1a\u7b49\u5f85\u5143\u7d20\u6d88\u5931<\/li>\n<li><strong>renderHook<\/strong>\uff1a\u6e2c\u8a66\u81ea\u5b9a\u7fa9 Hook<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7e3d\u7d50<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u5de5\u5177<\/th>\n<th>\u7528\u9014<\/th>\n<th>\u4e00\u53e5\u8a71<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>render()<\/code><\/td>\n<td>\u6e32\u67d3\u5143\u4ef6<\/td>\n<td>\u5728\u6e2c\u8a66\u88e1\u300c\u6253\u958b\u300d\u5143\u4ef6<\/td>\n<\/tr>\n<tr>\n<td><code>screen.getByRole()<\/code><\/td>\n<td>\u67e5\u8a62\u5143\u7d20<\/td>\n<td>\u7528\u89d2\u8272\u627e\u5143\u7d20\uff08\u63a8\u85a6\uff09<\/td>\n<\/tr>\n<tr>\n<td><code>screen.getByText()<\/code><\/td>\n<td>\u67e5\u8a62\u5143\u7d20<\/td>\n<td>\u7528\u6587\u5b57\u627e\u5143\u7d20<\/td>\n<\/tr>\n<tr>\n<td><code>screen.queryBy*()<\/code><\/td>\n<td>\u67e5\u8a62\u5143\u7d20<\/td>\n<td>\u627e\u4e0d\u5230\u56de\u50b3 null<\/td>\n<\/tr>\n<tr>\n<td><code>screen.findBy*()<\/code><\/td>\n<td>\u67e5\u8a62\u5143\u7d20<\/td>\n<td>\u7b49\u5f85\u5143\u7d20\u51fa\u73fe<\/td>\n<\/tr>\n<tr>\n<td><code>userEvent.click()<\/code><\/td>\n<td>\u6a21\u64ec\u9ede\u64ca<\/td>\n<td>\u50cf\u771f\u4eba\u4e00\u6a23\u9ede<\/td>\n<\/tr>\n<tr>\n<td><code>userEvent.type()<\/code><\/td>\n<td>\u6a21\u64ec\u8f38\u5165<\/td>\n<td>\u50cf\u771f\u4eba\u4e00\u6a23\u6253\u5b57<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u4e00\u7bc7\uff0c\u6211\u5011\u6703\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528 Mock \u4f86\u6e2c\u8a66 API \u547c\u53eb\u548c\u6a21\u7d44\u4f9d\u8cf4\u3002<\/p>\n\n\n\n<div id=\"quiz-advanced\">\n<style>\n#quiz-advanced .badge {\n        display: inline-block;\n        padding: 4px 10px;\n        border-radius: 12px;\n        font-size: 0.75em;\n        font-weight: bold;\n        margin-left: 8px;\n      }#quiz-advanced .badge.scenario {\n        background: #ebf8ff;\n        color: #2b6cb0;\n      }#quiz-advanced .badge.debug {\n        background: #fef3c7;\n        color: #92400e;\n      }#quiz-advanced .question-adv {\n        background: white;\n        border-radius: 10px;\n        padding: 24px;\n        margin: 20px 0;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n        border-left: 4px solid #ed8936;\n      }#quiz-advanced .question-adv h3 {\n        margin-top: 0;\n        color: #2d3748;\n      }#quiz-advanced .code-block {\n        background: #1e1e1e;\n        color: #d4d4d4;\n        padding: 14px;\n        border-radius: 6px;\n        font-family: \"Menlo\", \"Monaco\", \"Courier New\", monospace;\n        font-size: 0.9em;\n        overflow-x: auto;\n        margin: 12px 0;\n        white-space: pre-wrap;\n      }#quiz-advanced .options-adv {\n        list-style: none;\n        padding: 0;\n      }#quiz-advanced .options-adv li {\n        padding: 14px 16px;\n        margin: 10px 0;\n        border: 2px solid #e2e8f0;\n        border-radius: 8px;\n        cursor: pointer;\n        transition: all 0.2s;\n      }#quiz-advanced .options-adv li:hover:not(.disabled) {\n        border-color: #ed8936;\n        background: #fffaf0;\n      }#quiz-advanced .options-adv li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-advanced .options-adv li.show-answer {\n        border-color: #48bb78;\n        background: #f0fff4;\n      }#quiz-advanced .options-adv li.wrong {\n        border-color: #fc8181;\n        background: #fff5f5;\n      }#quiz-advanced .feedback-adv {\n        margin-top: 16px;\n        padding: 14px;\n        border-radius: 8px;\n        display: none;\n        line-height: 1.6;\n      }#quiz-advanced .feedback-adv.correct {\n        background: #f0fff4;\n        color: #276749;\n        display: block;\n      }#quiz-advanced .feedback-adv.wrong {\n        background: #fff5f5;\n        color: #c53030;\n        display: block;\n      }#quiz-advanced .feedback-adv \n      .score-adv {\n        text-align: center;\n        font-size: 1.4em;\n        padding: 24px;\n        background: white;\n        border-radius: 10px;\n        margin-top: 24px;\n        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);\n      }#quiz-advanced .intro {\n        background: #ebf8ff;\n        padding: 16px;\n        border-radius: 8px;\n        margin-bottom: 20px;\n        color: #2c5282;\n      }\n<\/style>\n<h1>\u9032\u968e\u6e2c\u9a57\uff1aReact \u5143\u4ef6\u6e2c\u8a66\uff1arender\u3001screen \u8207 userEvent<\/h1>\n    <div class=\"intro\">\n      <strong>\u6e2c\u9a57\u76ee\u6a19\uff1a<\/strong>\u9a57\u8b49\u4f60\u662f\u5426\u80fd\u5728\u5be6\u969b\u60c5\u5883\u4e2d\u61c9\u7528\u6240\u5b78\u3002<br \/>\n      \u5171 5 \u984c\uff0c\u5305\u542b\u60c5\u5883\u984c\u8207\u932f\u8aa4\u8a3a\u65b7\u984c\u3002\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv1\">\n      <h3>1. \u4f60\u6b63\u5728\u6e2c\u8a66\u4e00\u500b\u4f7f\u7528\u8005\u6e05\u55ae\u5143\u4ef6\uff0c\u6e05\u55ae\u6703\u986f\u793a\u591a\u500b\u4f7f\u7528\u8005\u9805\u76ee\u3002\u4f60\u60f3\u78ba\u8a8d\u6e05\u55ae\u4e2d\u6709 5 \u500b\u4f7f\u7528\u8005\u9805\u76ee\uff0c\u61c9\u8a72\u4f7f\u7528\u54ea\u500b\u67e5\u8a62\u65b9\u6cd5\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'C')\">A. <code>screen.getByRole('listitem')<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'C')\">B. <code>screen.queryByRole('listitem')<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'C')\">C. <code>screen.getAllByRole('listitem')<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'C')\">D. <code>screen.findByRole('listitem')<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv1\"><\/div>\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv2\">\n      <h3>2. \u540c\u4e8b\u5beb\u4e86\u4ee5\u4e0b\u6e2c\u8a66\u7a0b\u5f0f\u78bc\uff0c\u6e2c\u8a66\u57f7\u884c\u6642\u6703\u5831\u932f\u3002\u554f\u984c\u51fa\u5728\u54ea\u88e1\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">test(&#8216;\u78ba\u8a8d\u932f\u8aa4\u8a0a\u606f\u4e0d\u5b58\u5728&#8217;, () => {\n    render(&lt;Form \/&gt;);\n    expect(screen.getByText(&#8216;Error&#8217;)).not.toBeInTheDocument();\n});<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'B')\">A. <code>not.toBeInTheDocument()<\/code> \u8a9e\u6cd5\u932f\u8aa4<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'B')\">B. \u61c9\u4f7f\u7528 <code>queryByText<\/code> \u800c\u975e <code>getByText<\/code>\uff0c\u56e0\u70ba <code>getByText<\/code> \u627e\u4e0d\u5230\u6642\u6703\u76f4\u63a5\u62cb\u51fa\u932f\u8aa4<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'B')\">C. \u9700\u8981\u52a0\u4e0a <code>await<\/code> \u95dc\u9375\u5b57<\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'B')\">D. <code>render<\/code> \u51fd\u6578\u4f7f\u7528\u65b9\u5f0f\u932f\u8aa4<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv2\"><\/div>\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv3\">\n      <h3>3. \u4f60\u5728\u6e2c\u8a66\u4e00\u500b\u767b\u5165\u8868\u55ae\uff0c\u9700\u8981\u6a21\u64ec\u4f7f\u7528\u8005\u8f38\u5165\u5e33\u865f\u5bc6\u78bc\u4e26\u9ede\u64ca\u767b\u5165\u6309\u9215\u3002\u4ee5\u4e0b\u54ea\u500b\u6e2c\u8a66\u6d41\u7a0b\u6700\u7b26\u5408\u6700\u4f73\u5be6\u8e10\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'C')\">A. \u4f7f\u7528 <code>fireEvent.change<\/code> \u8a2d\u5b9a input value\uff0c\u518d\u7528 <code>fireEvent.click<\/code> \u9ede\u64ca\u6309\u9215<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'C')\">B. \u76f4\u63a5\u4fee\u6539 DOM \u5143\u7d20\u7684 value \u5c6c\u6027\uff0c\u518d\u89f8\u767c submit \u4e8b\u4ef6<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'C')\">C. \u4f7f\u7528 <code>userEvent.type<\/code> \u8f38\u5165\u6587\u5b57\uff0c\u518d\u7528 <code>userEvent.click<\/code> \u9ede\u64ca\u6309\u9215\uff0c\u4e26\u52a0\u4e0a <code>await<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'C')\">D. \u4f7f\u7528 <code>screen.getByLabelText<\/code> \u627e\u5230 input \u5f8c\u76f4\u63a5\u8a2d\u5b9a innerHTML<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv3\"><\/div>\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv4\">\n      <h3>4. \u4ee5\u4e0b\u6e2c\u8a66\u7a0b\u5f0f\u78bc\u6709\u6642\u901a\u904e\u6709\u6642\u5931\u6557\uff08flaky test\uff09\u3002\u6700\u53ef\u80fd\u7684\u539f\u56e0\u662f\u4ec0\u9ebc\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">test(&#8216;\u8f09\u5165\u4f7f\u7528\u8005\u8cc7\u6599&#8217;, async () => {\n    render(&lt;UserProfile userId=&#8221;123&#8243; \/&gt;);\n\n    userEvent.click(screen.getByRole(&#8216;button&#8217;, { name: &#8216;Load&#8217; }));\n\n    expect(screen.getByText(&#8216;John Doe&#8217;)).toBeInTheDocument();\n});<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'A')\">A. <code>userEvent.click<\/code> \u7f3a\u5c11 <code>await<\/code>\uff0c\u5c0e\u81f4\u65b7\u8a00\u53ef\u80fd\u5728\u9ede\u64ca\u5b8c\u6210\u524d\u57f7\u884c<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'A')\">B. <code>getByRole<\/code> \u61c9\u8a72\u6539\u7528 <code>queryByRole<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'A')\">C. <code>render<\/code> \u9700\u8981\u52a0\u4e0a <code>await<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'A')\">D. \u6e2c\u8a66\u51fd\u6578\u4e0d\u61c9\u8a72\u662f <code>async<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv4\"><\/div>\n    <\/div>\n\n    <div class=\"question-adv\" id=\"qAdv5\">\n      <h3>5. \u4f60\u6b63\u5728\u6e2c\u8a66\u4e00\u500b Greeting \u5143\u4ef6\uff0c\u9700\u8981\u9a57\u8b49\u7576 props \u5f9e &#8220;Alice&#8221; \u8b8a\u6210 &#8220;Bob&#8221; \u6642\uff0c\u756b\u9762\u6703\u6b63\u78ba\u66f4\u65b0\u3002\u61c9\u8a72\u4f7f\u7528 <code>render()<\/code> \u56de\u50b3\u7684\u54ea\u500b\u65b9\u6cd5\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">function Greeting({ name }: { name: string }) {\n    return &lt;h1&gt;Hello, {name}!&lt;\/h1&gt;;\n}<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'B')\">A. <code>unmount()<\/code> \u5378\u8f09\u5f8c\u91cd\u65b0 <code>render()<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'B')\">B. <code>rerender(&lt;Greeting name=\"Bob\" \/&gt;)<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'B')\">C. <code>container.innerHTML = '...'<\/code> \u76f4\u63a5\u4fee\u6539 DOM<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'B')\">D. \u547c\u53eb <code>screen.refresh()<\/code> \u5237\u65b0\u756b\u9762<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv5\"><\/div>\n    <\/div>\n\n    <div class=\"score-adv\" id=\"scoreAdv\" style=\"display:none;\"><\/div>\n<script>\n\n      let answeredAdv = 0;\n      let correctAdv = 0;\n      const totalAdv = 5;\n      const explanationsAdv = {\n        1: \"\u7576\u9700\u8981\u67e5\u8a62\u591a\u500b\u76f8\u540c\u985e\u578b\u7684\u5143\u7d20\u6642\uff0c\u5fc5\u9808\u4f7f\u7528 <code>getAllBy<\/code> \u7cfb\u5217\u65b9\u6cd5\u3002<code>getBy<\/code> \u53ea\u80fd\u627e\u5230\u4e00\u500b\u5143\u7d20\uff0c\u5982\u679c\u627e\u5230\u591a\u500b\u6703\u5831\u932f\u3002\u4f7f\u7528 <code>getAllByRole('listitem')<\/code> \u5f8c\uff0c\u53ef\u4ee5\u642d\u914d <code>expect(items).toHaveLength(5)<\/code> \u4f86\u9a57\u8b49\u6578\u91cf\u3002\",\n        2: \"\u9019\u662f\u5e38\u898b\u932f\u8aa4\uff01<code>getByText<\/code> \u5728\u627e\u4e0d\u5230\u5143\u7d20\u6642\u6703\u76f4\u63a5\u62cb\u51fa\u932f\u8aa4\uff0c\u6839\u672c\u4e0d\u6703\u57f7\u884c\u5230 <code>.not.toBeInTheDocument()<\/code>\u3002\u78ba\u8a8d\u5143\u7d20\u4e0d\u5b58\u5728\u6642\uff0c\u5fc5\u9808\u4f7f\u7528 <code>queryByText<\/code>\uff0c\u5b83\u5728\u627e\u4e0d\u5230\u6642\u6703\u56de\u50b3 null\uff0c\u9019\u6a23\u624d\u80fd\u6b63\u78ba\u57f7\u884c\u65b7\u8a00\u3002\",\n        3: \"<code>userEvent<\/code> \u6bd4 <code>fireEvent<\/code> \u66f4\u63a5\u8fd1\u771f\u5be6\u4f7f\u7528\u8005\u884c\u70ba\uff0c\u5b83\u6703\u6a21\u64ec\u5b8c\u6574\u7684\u64cd\u4f5c\u6d41\u7a0b\uff08focus\u3001\u8f38\u5165\u6bcf\u500b\u5b57\u5143\u3001blur \u7b49\uff09\u3002\u7531\u65bc <code>userEvent<\/code> \u662f\u975e\u540c\u6b65\u7684\uff0c\u5fc5\u9808\u52a0\u4e0a <code>await<\/code> \u78ba\u4fdd\u64cd\u4f5c\u5b8c\u6210\u3002\u76f4\u63a5\u4fee\u6539 DOM \u6216 innerHTML \u4e0d\u662f\u6b63\u78ba\u7684\u6e2c\u8a66\u65b9\u5f0f\uff0c\u7121\u6cd5\u89f8\u767c React \u7684\u4e8b\u4ef6\u8655\u7406\u3002\",\n        4: \"<code>userEvent<\/code> \u7684\u6240\u6709\u64cd\u4f5c\u90fd\u662f\u975e\u540c\u6b65\u7684\uff0c\u9700\u8981\u4f7f\u7528 <code>await<\/code> \u7b49\u5f85\u5b8c\u6210\u3002\u5982\u679c\u6c92\u6709 await\uff0c\u7a0b\u5f0f\u6703\u7acb\u5373\u57f7\u884c\u4e0b\u4e00\u884c\u7684\u65b7\u8a00\uff0c\u4f46\u6b64\u6642\u9ede\u64ca\u53ef\u80fd\u9084\u6c92\u5b8c\u6210\u3001\u8cc7\u6599\u9084\u6c92\u8f09\u5165\uff0c\u5c0e\u81f4\u6e2c\u8a66\u4e0d\u7a69\u5b9a\u3002\u6b63\u78ba\u5beb\u6cd5\u662f <code>await userEvent.click(...)<\/code>\uff0c\u4e14\u5982\u679c\u662f API \u8f09\u5165\u7684\u8cc7\u6599\uff0c\u65b7\u8a00\u4e5f\u61c9\u8a72\u4f7f\u7528 <code>await screen.findByText('John Doe')<\/code>\u3002\",\n        5: \"<code>rerender()<\/code> \u662f <code>render()<\/code> \u56de\u50b3\u7684\u65b9\u6cd5\uff0c\u5c08\u9580\u7528\u4f86\u6e2c\u8a66 props \u8b8a\u5316\u6642\u5143\u4ef6\u7684\u884c\u70ba\u3002\u5b83\u6703\u7528\u65b0\u7684 props \u91cd\u65b0\u6e32\u67d3\u540c\u4e00\u500b\u5143\u4ef6\u5be6\u4f8b\uff0c\u800c\u4e0d\u662f\u5378\u8f09\u5f8c\u91cd\u65b0\u5efa\u7acb\u3002\u9019\u6a23\u53ef\u4ee5\u6e2c\u8a66\u5143\u4ef6\u5c0d props \u8b8a\u5316\u7684\u53cd\u61c9\u662f\u5426\u6b63\u78ba\u3002\"\n      };\n\n      function checkAnswerAdv(qNum, selected, correctAns) {\n        const question = document.getElementById(\"qAdv\" + qNum);\n        if (question.classList.contains(\"answered\")) return;\n\n        question.classList.add(\"answered\");\n        answeredAdv++;\n\n        const options = question.querySelectorAll(\".options-adv li\");\n        options.forEach((opt) => {\n          opt.classList.add(\"disabled\");\n          if (opt.textContent.startsWith(correctAns + \".\")) {\n            opt.classList.add(\"show-answer\");\n          }\n        });\n\n        const feedback = document.getElementById(\"fbAdv\" + qNum);\n        if (selected === correctAns) {\n          correctAdv++;\n          feedback.className = \"feedback-adv correct\";\n          feedback.innerHTML = \"\u2713 \u6b63\u78ba\uff01\" + explanationsAdv[qNum];\n        } else {\n          feedback.className = \"feedback-adv wrong\";\n          feedback.innerHTML =\n            \"\u2717 \u932f\u8aa4\u3002\u6b63\u78ba\u7b54\u6848\u662f \" + correctAns + \"\u3002\" + explanationsAdv[qNum];\n          options.forEach((opt) => {\n            if (opt.textContent.startsWith(selected + \".\")) {\n              opt.classList.add(\"wrong\");\n            }\n          });\n        }\n\n        if (answeredAdv === totalAdv) {\n          const scoreDiv = document.getElementById(\"scoreAdv\");\n          scoreDiv.style.display = \"block\";\n          let msg = \"\";\n          if (correctAdv === totalAdv) msg = \"\ud83c\udfaf \u5b8c\u7f8e\uff01\u4f60\u5df2\u7d93\u6e96\u5099\u597d\u5be6\u6230\u4e86\uff01\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.8))\n            msg = \"\ud83d\udcaa \u5f88\u68d2\uff01\u518d\u8907\u7fd2\u4e00\u4e0b\u932f\u7684\u984c\u76ee\";\n          else if (correctAdv >= Math.ceil(totalAdv * 0.6))\n            msg = \"\ud83d\udcd6 \u5efa\u8b70\u91cd\u8b80\u76f8\u95dc\u6bb5\u843d\u5f8c\u518d\u8a66\u4e00\u6b21\";\n          else msg = \"\ud83d\udd04 \u5efa\u8b70\u91cd\u65b0\u95b1\u8b80\u6587\u4ef6\uff0c\u7279\u5225\u6ce8\u610f\u64cd\u4f5c\u6d41\u7a0b\";\n          scoreDiv.innerHTML =\n            \"\u6e2c\u9a57\u5b8c\u6210\uff01\u5f97\u5206\uff1a\" + correctAdv + \" \/ \" + totalAdv + \"<br>\" + msg;\n        }\n      }\n    \n<\/script>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6e2c\u9a57\uff1aReact \u5143\u4ef6\u6e2c\u8a66\uff1arender\u3001screen \u8207 userEvent \u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rolpb_likes":0,"footnotes":""},"categories":[340],"tags":[269,344,345,341,346],"class_list":["post-359","post","type-post","status-publish","format-standard","hentry","category-vitest","tag-react","tag-testing-library","tag-userevent","tag-vitest","tag-346"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"_links":{"self":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/comments?post=359"}],"version-history":[{"count":0,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/posts\/359\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/media?parent=359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/categories?post=359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.itsmygo.uk\/wordpress\/wp-json\/wp\/v2\/tags?post=359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}