{"id":699,"date":"2026-02-07T00:27:37","date_gmt":"2026-02-06T16:27:37","guid":{"rendered":"https:\/\/blog.itsmygo.uk\/2026\/02\/07\/%e3%80%90typescript-%e5%85%a5%e9%96%80%e6%95%99%e5%ad%b8%e3%80%9102-%e5%9f%ba%e6%9c%ac%e5%9e%8b%e5%88%a5%e6%a8%99%e8%a8%bb%ef%bc%9astring%e3%80%81number%e3%80%81boolean%e3%80%81array\/"},"modified":"2026-02-07T00:41:29","modified_gmt":"2026-02-06T16:41:29","slug":"%e3%80%90typescript-%e5%85%a5%e9%96%80%e6%95%99%e5%ad%b8%e3%80%9102-%e5%9f%ba%e6%9c%ac%e5%9e%8b%e5%88%a5%e6%a8%99%e8%a8%bb%ef%bc%9astring%e3%80%81number%e3%80%81boolean%e3%80%81array","status":"publish","type":"post","link":"https:\/\/blog.itsmygo.uk\/wordpress\/2026\/02\/07\/%e3%80%90typescript-%e5%85%a5%e9%96%80%e6%95%99%e5%ad%b8%e3%80%9102-%e5%9f%ba%e6%9c%ac%e5%9e%8b%e5%88%a5%e6%a8%99%e8%a8%bb%ef%bc%9astring%e3%80%81number%e3%80%81boolean%e3%80%81array\/","title":{"rendered":"\u3010TypeScript \u5165\u9580\u6559\u5b78\u3011#02 \u57fa\u672c\u578b\u5225\u6a19\u8a3b\uff1astring\u3001number\u3001boolean\u3001array"},"content":{"rendered":"\n<div id=\"quiz-a3930149\">\n<style>\n#quiz-a3930149 .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-a3930149 .question h3 {\n        margin-top: 0;\n        color: #333;\n      }#quiz-a3930149 .options {\n        list-style: none;\n        padding: 0;\n      }#quiz-a3930149 .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-a3930149 .options li:hover:not(.disabled) {\n        border-color: #4caf50;\n        background: #f0fff0;\n      }#quiz-a3930149 .options li.correct {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-a3930149 .options li.wrong {\n        border-color: #f44336;\n        background: #ffebee;\n      }#quiz-a3930149 .options li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-a3930149 .options li.show-answer {\n        border-color: #4caf50;\n        background: #e8f5e9;\n      }#quiz-a3930149 .feedback {\n        margin-top: 15px;\n        padding: 12px;\n        border-radius: 6px;\n        display: none;\n      }#quiz-a3930149 .feedback.correct {\n        background: #e8f5e9;\n        color: #2e7d32;\n        display: block;\n      }#quiz-a3930149 .feedback.wrong {\n        background: #ffebee;\n        color: #c62828;\n        display: block;\n      }#quiz-a3930149 .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-a3930149 .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\uff1aTypeScript \u57fa\u672c\u578b\u5225\u6a19\u8a3b<\/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 TypeScript \u4e2d\uff0c<code>number<\/code> \u578b\u5225\u53ef\u4ee5\u5b58\u653e\u54ea\u4e9b\u503c\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(1, 'A', 'B')\">A. \u53ea\u80fd\u5b58\u653e\u6574\u6578<\/li>\n        <li onclick=\"checkAnswer(1, 'B', 'B')\">B. \u6574\u6578\u548c\u5c0f\u6578\u90fd\u53ef\u4ee5<\/li>\n        <li onclick=\"checkAnswer(1, 'C', 'B')\">C. \u53ea\u80fd\u5b58\u653e\u6b63\u6578<\/li>\n        <li onclick=\"checkAnswer(1, 'D', 'B')\">D. \u6574\u6578\u7528 <code>int<\/code>\uff0c\u5c0f\u6578\u7528 <code>number<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb1\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q2\">\n      <h3>2. \u4ee5\u4e0b\u54ea\u7a2e\u60c5\u6cc1\uff0cTypeScript \u53ef\u4ee5\u81ea\u52d5\u63a8\u65b7\u8b8a\u6578\u578b\u5225\uff0c\u4e0d\u9700\u8981\u624b\u52d5\u5beb\u578b\u5225\u6a19\u8a3b\uff1f<\/h3>\n      <div class=\"code-block\">\/\/ \u60c5\u5883 A\nlet count = 0;\n\n\/\/ \u60c5\u5883 B\nlet username: string;\n\n\/\/ \u60c5\u5883 C\nfunction greet(name: string) { &#8230; }<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(2, 'A', 'A')\">A. \u60c5\u5883 A\uff1a\u6709\u521d\u59cb\u503c\u7684\u8b8a\u6578\u5ba3\u544a<\/li>\n        <li onclick=\"checkAnswer(2, 'B', 'A')\">B. \u60c5\u5883 B\uff1a\u6c92\u6709\u521d\u59cb\u503c\u7684\u8b8a\u6578\u5ba3\u544a<\/li>\n        <li onclick=\"checkAnswer(2, 'C', 'A')\">C. \u60c5\u5883 C\uff1a\u51fd\u5f0f\u7684\u53c3\u6578<\/li>\n        <li onclick=\"checkAnswer(2, 'D', 'A')\">D. \u4e09\u7a2e\u60c5\u5883\u90fd\u9700\u8981\u624b\u52d5\u6a19\u8a3b<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb2\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q3\">\n      <h3>3. <code>string[]<\/code> \u548c <code>Array&lt;string&gt;<\/code> \u9019\u5169\u7a2e\u5beb\u6cd5\u6709\u4ec0\u9ebc\u5dee\u5225\uff1f<\/h3>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(3, 'A', 'C')\">A. <code>string[]<\/code> \u53ea\u80fd\u653e\u56fa\u5b9a\u9577\u5ea6\u7684\u9663\u5217\uff0c<code>Array&lt;string&gt;<\/code> \u9577\u5ea6\u4e0d\u9650<\/li>\n        <li onclick=\"checkAnswer(3, 'B', 'C')\">B. <code>Array&lt;string&gt;<\/code> \u6548\u80fd\u6bd4\u8f03\u597d<\/li>\n        <li onclick=\"checkAnswer(3, 'C', 'C')\">C. \u529f\u80fd\u5b8c\u5168\u4e00\u6a23\uff0c\u53ea\u662f\u98a8\u683c\u4e0d\u540c<\/li>\n        <li onclick=\"checkAnswer(3, 'D', 'C')\">D. <code>Array&lt;string&gt;<\/code> \u662f\u820a\u8a9e\u6cd5\uff0c\u5df2\u88ab\u68c4\u7528<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb3\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q4\">\n      <h3>4. \u770b\u5230\u4ee5\u4e0b\u51fd\u5f0f\u5b9a\u7fa9\uff0c\u54ea\u4e00\u6bb5\u767d\u8a71\u7ffb\u8b6f\u6700\u6b63\u78ba\uff1f<\/h3>\n      <div class=\"code-block\">function log(message: string): void {\n    console.log(message);\n}<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(4, 'A', 'D')\">A. \u63a5\u6536\u4e00\u500b\u6587\u5b57 message\uff0c\u56de\u50b3\u4e00\u500b\u7a7a\u5b57\u4e32<\/li>\n        <li onclick=\"checkAnswer(4, 'B', 'D')\">B. \u63a5\u6536\u4efb\u610f\u578b\u5225\u7684 message\uff0c\u4e0d\u56de\u50b3\u4efb\u4f55\u6771\u897f<\/li>\n        <li onclick=\"checkAnswer(4, 'C', 'D')\">C. \u63a5\u6536\u4e00\u500b\u6587\u5b57 message\uff0c\u56de\u50b3 <code>undefined<\/code><\/li>\n        <li onclick=\"checkAnswer(4, 'D', 'D')\">D. \u63a5\u6536\u4e00\u500b\u6587\u5b57 message\uff0c\u4e0d\u56de\u50b3\u4efb\u4f55\u6771\u897f<\/li>\n      <\/ul>\n      <div class=\"feedback\" id=\"fb4\"><\/div>\n    <\/div>\n\n    <div class=\"question\" id=\"q5\">\n      <h3>5. AI \u7522\u751f\u4e86\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\uff0c\u7de8\u8f2f\u5668\u986f\u793a\u932f\u8aa4\u8a0a\u606f\uff1a<code>Type 'number' is not assignable to type 'string'<\/code>\u3002\u9019\u4ee3\u8868\u4ec0\u9ebc\uff1f<\/h3>\n      <div class=\"code-block\">let name: string = 123;<\/div>\n      <ul class=\"options\">\n        <li onclick=\"checkAnswer(5, 'A', 'B')\">A. \u8b8a\u6578 name \u4e0d\u80fd\u53eb\u9019\u500b\u540d\u5b57<\/li>\n        <li onclick=\"checkAnswer(5, 'B', 'B')\">B. \u4f60\u628a\u6578\u5b57\u585e\u9032\u4e86\u61c9\u8a72\u653e\u6587\u5b57\u7684\u8b8a\u6578\u88e1<\/li>\n        <li onclick=\"checkAnswer(5, 'C', 'B')\">C. <code>string<\/code> \u578b\u5225\u5df2\u88ab\u68c4\u7528\uff0c\u61c9\u6539\u7528 <code>text<\/code><\/li>\n        <li onclick=\"checkAnswer(5, 'D', 'B')\">D. \u9700\u8981\u5148\u628a 123 \u8f49\u6210\u5b57\u4e32\u624d\u80fd\u8ce6\u503c\uff0c\u4f46\u7a0b\u5f0f\u6703\u6b63\u5e38\u57f7\u884c<\/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: \" TypeScript \u7684 <code>number<\/code> \u4e0d\u5206\u6574\u6578\u548c\u5c0f\u6578\uff0c<code>42<\/code>\u3001<code>3.14<\/code>\u3001<code>-1<\/code> \u5168\u90fd\u662f <code>number<\/code>\u3002TypeScript \u6c92\u6709\u7368\u7acb\u7684 <code>int<\/code> \u578b\u5225\u3002\",\n        2: \" \u7576\u8b8a\u6578\u6709\u521d\u59cb\u503c\u6642\uff0cTypeScript \u6703\u81ea\u52d5\u63a8\u65b7\u578b\u5225\uff08\u7a31\u70ba\u300c\u578b\u5225\u63a8\u8ad6\u300d\uff09\u3002\u4f8b\u5982 <code>let count = 0<\/code> \u6703\u81ea\u52d5\u63a8\u65b7\u70ba <code>number<\/code>\u3002\u4f46\u6c92\u6709\u521d\u59cb\u503c\u7684\u8b8a\u6578\u548c\u51fd\u5f0f\u53c3\u6578\u7121\u6cd5\u63a8\u65b7\uff0c\u5fc5\u9808\u624b\u52d5\u6a19\u8a3b\u3002\",\n        3: \" \u6587\u7ae0\u660e\u78ba\u6307\u51fa\uff1a<code>string[]<\/code> \u548c <code>Array&lt;string&gt;<\/code> \u5169\u7a2e\u5beb\u6cd5\u529f\u80fd\u5b8c\u5168\u4e00\u6a23\uff0c\u53ea\u662f\u98a8\u683c\u4e0d\u540c\u3002AI \u6bd4\u8f03\u5e38\u7528 <code>string[]<\/code> \u9019\u7a2e\u7c21\u77ed\u5beb\u6cd5\u3002\",\n        4: \" <code>void<\/code> \u4ee3\u8868\u300c\u6c92\u6709\u56de\u50b3\u503c\u300d\uff0c\u4e0d\u662f\u7a7a\u5b57\u4e32\u4e5f\u4e0d\u662f <code>undefined<\/code>\u3002\u53c3\u6578 <code>message: string<\/code> \u660e\u78ba\u6a19\u8a3b\u70ba\u6587\u5b57\u578b\u5225\uff0c\u6240\u4ee5\u6b63\u78ba\u7ffb\u8b6f\u662f\u300c\u63a5\u6536\u4e00\u500b\u6587\u5b57 message\uff0c\u4e0d\u56de\u50b3\u4efb\u4f55\u6771\u897f\u300d\u3002\",\n        5: \" TypeScript \u932f\u8aa4\u8a0a\u606f\u7684\u516c\u5f0f\u662f\u300c\u4f60\u7d66\u4e86 A\uff0c\u4f46\u9019\u88e1\u9700\u8981 B\u300d\u3002<code>Type 'number' is not assignable to type 'string'<\/code> \u610f\u601d\u5c31\u662f\u300c\u4f60\u7d66\u4e86\u6578\u5b57\uff0c\u4f46\u9019\u500b\u8b8a\u6578\u9700\u8981\u6587\u5b57\u300d\u3002\u9019\u662f\u7de8\u8b6f\u671f\u932f\u8aa4\uff0c\u7a0b\u5f0f\u4e0d\u6703\u6b63\u5e38\u57f7\u884c\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\">\u578b\u5225\u6a19\u8a3b\u544a\u8a34 TypeScript\u300c\u9019\u500b\u8b8a\u6578\u61c9\u8a72\u653e\u4ec0\u9ebc\u985e\u578b\u7684\u8cc7\u6599\u300d\uff0c\u5beb\u932f\u5c31\u6703\u63d0\u65e9\u5831\u932f\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u70ba\u4ec0\u9ebc\u8981\u770b\u61c2\u578b\u5225\u6a19\u8a3b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7576\u4f60\u8acb AI \u5e6b\u4f60\u5beb TypeScript\uff0c\u5e7e\u4e4e\u6bcf\u4e00\u884c\u90fd\u6703\u51fa\u73fe <code>: string<\/code>\u3001<code>: number<\/code> \u9019\u985e\u6a19\u8a18\u3002\u770b\u4e0d\u61c2\u5b83\u5011\uff0c\u5c31\u7121\u6cd5\u78ba\u8a8d AI \u5beb\u7684\u6771\u897f\u662f\u4e0d\u662f\u4f60\u8981\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u597d\u6d88\u606f\u662f\uff1a\u57fa\u672c\u578b\u5225\u6a19\u8a3b\u975e\u5e38\u76f4\u89ba\uff0c\u82b1\u4e94\u5206\u9418\u5c31\u80fd\u5168\u90e8\u770b\u61c2\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5c0f\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\">let<\/span> name: string = <span class=\"hljs-string\">\"Alice\"<\/span>;\n<span class=\"hljs-keyword\">let<\/span> age: number = <span class=\"hljs-number\">25<\/span>;\n<span class=\"hljs-keyword\">let<\/span> active: boolean = <span class=\"hljs-literal\">true<\/span>;\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\">\u5c31\u9019\u6a23\u3002\u5192\u865f\u5f8c\u9762\u7684\u5c31\u662f\u300c\u578b\u5225\u6a19\u8a3b\u300d\uff0c\u544a\u8a34 TypeScript \u9019\u500b\u8b8a\u6578\u53ea\u80fd\u653e\u9019\u7a2e\u8cc7\u6599\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u9010\u884c\u7ffb\u8b6f\uff1a\u57fa\u672c\u578b\u5225<\/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-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\"><span class=\"hljs-keyword\">let<\/span> name: string = <span class=\"hljs-string\">\"Alice\"<\/span>;    <span class=\"hljs-comment\">\/\/ name \u662f\u6587\u5b57\uff0c\u76ee\u524d\u7684\u503c\u662f \"Alice\"<\/span>\n<span class=\"hljs-keyword\">let<\/span> age: number = <span class=\"hljs-number\">25<\/span>;          <span class=\"hljs-comment\">\/\/ age \u662f\u6578\u5b57\uff0c\u76ee\u524d\u7684\u503c\u662f 25<\/span>\n<span class=\"hljs-keyword\">let<\/span> active: boolean = <span class=\"hljs-literal\">true<\/span>;    <span class=\"hljs-comment\">\/\/ active \u662f\u5e03\u6797\u503c\uff08true \u6216 false\uff09<\/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\">\u7ffb\u8b6f\u6210\u767d\u8a71\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u300c\u5efa\u7acb\u4e00\u500b\u53eb name \u7684\u8b8a\u6578\uff0c\u5b83\u7684\u578b\u5225\u662f string\uff08\u6587\u5b57\uff09\uff0c\u521d\u59cb\u503c\u662f &#8220;Alice&#8221;\u3002\u300d<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\">\u5fc5\u770b\u61c2\uff1a\u4e09\u5927\u57fa\u672c\u578b\u5225<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\n<figure class=\"wp-block-table\"><table>\n<thead>\n<tr>\n<th>\u578b\u5225<\/th>\n<th>\u610f\u601d<\/th>\n<th>\u53ef\u4ee5\u653e\u4ec0\u9ebc<\/th>\n<th>\u7bc4\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<\/tbody>\n<\/table><\/figure>\n| <code>string<\/code> | \u6587\u5b57 | \u4efb\u4f55\u6587\u5b57 | <code>\"hello\"<\/code>\u3001<code>'world'<\/code>\u3001`<code> <\/code>hi ${name}<code> <\/code><code> |\n| <\/code>number<code> | \u6578\u5b57 | \u6574\u6578\u3001\u5c0f\u6578\u90fd\u7b97 | <\/code>42<code>\u3001<\/code>3.14<code>\u3001<\/code>-1<code> |\n| <\/code>boolean<code> | \u5e03\u6797\u503c | \u53ea\u6709\u5169\u7a2e\u503c | <\/code>true<code>\u3001<\/code>false<code> |\n\n\u91cd\u9ede\uff1aTypeScript \u7684 <\/code>number<code> \u4e0d\u5206\u6574\u6578\u548c\u5c0f\u6578\uff0c\u5168\u90fd\u662f <\/code>number<code>\u3002\n\n---\n\n## \u578b\u5225\u63a8\u8ad6\uff1a\u4e0d\u5beb\u6a19\u8a3b\u4e5f\u884c\n\nTypeScript \u5176\u5be6\u5f88\u8070\u660e\u3002\u4f60\u7d66\u5b83\u521d\u59cb\u503c\uff0c\u5b83\u81ea\u5df1\u5c31\u80fd\u63a8\u65b7\u578b\u5225\uff1a\n\n%%CODEBLOCK1daebc84e2f94a75bd7b421f5f84f742%%\n\n**\u9019\u5728\u5e79\u561b**\uff1a\u9019\u53eb\u300c\u578b\u5225\u63a8\u8ad6\u300d\uff08type inference\uff09\u3002\u4f60\u6c92\u5beb <\/code>: string<code>\uff0c\u4f46 TypeScript \u770b\u5230 <\/code>&#8220;Alice&#8221;<code> \u5c31\u77e5\u9053\u662f string\u3002\n\n### \u90a3\u4ec0\u9ebc\u6642\u5019\u8981\u5beb\u3001\u4ec0\u9ebc\u6642\u5019\u4e0d\u7528\u5beb\uff1f\n\n%%CODEBLOCK933fb96e84b54d20819e0a742d3bed28%%\n\n**Vibe Coder \u5c0f\u7d50**\uff1aAI \u751f\u6210\u7684\u7a0b\u5f0f\u78bc\u88e1\uff0c\u6709\u4e9b\u8b8a\u6578\u6709\u5beb\u6a19\u8a3b\u3001\u6709\u4e9b\u6c92\u5beb\uff0c\u9019\u662f\u6b63\u5e38\u7684\u3002\u6709\u521d\u59cb\u503c\u7684\u5730\u65b9\u901a\u5e38\u6703\u7701\u7565\uff0c\u51fd\u5f0f\u53c3\u6578\u5e7e\u4e4e\u90fd\u6703\u5beb\u3002\n\n---\n\n## \u9663\u5217\u578b\u5225\uff1a\u5169\u7a2e\u5beb\u6cd5\uff0c\u540c\u4e00\u4ef6\u4e8b\n\nAI \u751f\u6210\u7684\u7a0b\u5f0f\u78bc\u88e1\uff0c\u4f60\u6703\u770b\u5230\u5169\u7a2e\u9663\u5217\u578b\u5225\u7684\u5beb\u6cd5\uff1a\n\n%%CODEBLOCKfccc9bf783924fd79e19ba4697c9ede3%%\n\n### \u9010\u884c\u7ffb\u8b6f\n\n%%CODEBLOCK53c25e9da18e457d8633d76ef8a44bf4%%\n\n\u7ffb\u8b6f\u6210\u767d\u8a71\uff1a\n\n&gt; \u300cnames \u662f\u4e00\u500b\u9663\u5217\uff0c\u88e1\u9762\u6bcf\u500b\u5143\u7d20\u90fd\u5fc5\u9808\u662f string\u3002\u300d\n\n### \u5169\u7a2e\u5beb\u6cd5\u7684\u5c0d\u7167\n\n| \u5beb\u6cd5 1 | \u5beb\u6cd5 2 | \u7ffb\u8b6f |\n|--------|--------|------|\n| <\/code>string[]<code> | <\/code>Array<string><code> | \u6587\u5b57\u9663\u5217 |\n| <\/code>number[]<code> | <\/code>Array<number><code> | \u6578\u5b57\u9663\u5217 |\n| <\/code>boolean[]<code> | <\/code>Array<boolean><code> | \u5e03\u6797\u503c\u9663\u5217 |\n\n\u5169\u7a2e\u5beb\u6cd5\u529f\u80fd\u5b8c\u5168\u4e00\u6a23\uff0c\u53ea\u662f\u98a8\u683c\u4e0d\u540c\u3002AI \u6bd4\u8f03\u5e38\u7528 <\/code>string[]<code> \u9019\u7a2e\u7c21\u77ed\u5beb\u6cd5\u3002\n\n---\n\n## <\/code>any<code> \u578b\u5225\uff1a\u9003\u751f\u53e3\uff0c\u4f46\u8981\u5c0f\u5fc3\n\n%%CODEBLOCK0058dc11cb174b2ebc77ae9a97f2a239%%\n\n**\u9019\u5728\u5e79\u561b**\uff1a<\/code>any<code> \u662f\u300c\u4ec0\u9ebc\u578b\u5225\u90fd\u884c\u300d\u7684\u610f\u601d\u3002TypeScript \u4e0d\u6703\u6aa2\u67e5\u5b83\uff0c\u7b49\u65bc\u66ab\u6642\u95dc\u6389\u578b\u5225\u4fdd\u8b77\u3002\n\n### \u4ec0\u9ebc\u6642\u5019\u6703\u770b\u5230 <\/code>any<code>\uff1f\n\n%%CODEBLOCKe96d64f69edc4d4ba7bd1c6c195334f7%%\n\n### \u5fc5\u770b\u61c2\uff1a<\/code>any<code> \u7684\u98a8\u96aa\n\n%%CODEBLOCKb39dffe575184556a6539517f3c79b53%%\n\n\u7528\u4e86 <\/code>any<code>\uff0cTypeScript \u5c31\u4e0d\u6703\u5e6b\u4f60\u6293\u932f\u3002\u7b49\u65bc\u4f60\u82b1\u529b\u6c23\u7528 TypeScript\uff0c\u537b\u628a\u4fdd\u8b77\u95dc\u6389\u4e86\u3002\n\n&gt; \u770b\u5230 AI \u5beb\u4e86 <\/code>any<code>\uff0c\u53ef\u4ee5\u554f\u5b83\uff1a\u300c\u80fd\u4e0d\u80fd\u7528\u66f4\u7cbe\u78ba\u7684\u578b\u5225\uff1f\u300d\n\n---\n\n## \u51fd\u5f0f\u53c3\u6578\u8207\u56de\u50b3\u503c\u7684\u578b\u5225\u6a19\u8a3b\n\n\u9019\u662f AI \u751f\u6210\u7a0b\u5f0f\u78bc\u4e2d\u6700\u5e38\u898b\u7684\u578b\u5225\u6a19\u8a3b\u5834\u666f\uff1a\n\n### \u6700\u5c0f\u7bc4\u4f8b\n\n%%CODEBLOCK4407aa8850324a25bc5b4bf8d072802d%%\n\n**\u7ffb\u8b6f**\uff1a\u300cgreet \u51fd\u5f0f\u63a5\u6536\u4e00\u500b\u6587\u5b57\u53c3\u6578 name\uff0c\u56de\u50b3\u4e00\u500b\u6587\u5b57\u3002\u300d\n\n### \u5e38\u898b\u8b8a\u5316\n\n**\u8b8a\u5316 1\uff1a\u7bad\u982d\u51fd\u5f0f**\n\n%%CODEBLOCK77dc650dbf044e79850042933e8c0978%%\n\n**\u7ffb\u8b6f**\uff1a\u8ddf\u4e0a\u9762\u4e00\u6a21\u4e00\u6a23\uff0c\u53ea\u662f\u7528\u7bad\u982d\u51fd\u5f0f\u7684\u5beb\u6cd5\u3002\n\n**\u8b8a\u5316 2\uff1a\u591a\u500b\u53c3\u6578**\n\n%%CODEBLOCK65754d5e3b2c467fbf67d86d6f83593b%%\n\n**\u7ffb\u8b6f**\uff1a\u300c\u63a5\u6536\u5169\u500b\u6578\u5b57 a \u548c b\uff0c\u56de\u50b3\u4e00\u500b\u6578\u5b57\uff08\u5b83\u5011\u7684\u548c\uff09\u3002\u300d\n\n**\u8b8a\u5316 3\uff1a\u4e0d\u56de\u50b3\u6771\u897f**\n\n%%CODEBLOCK78e17fc6c69642a8b2ef27569bec24dd%%\n\n**\u7ffb\u8b6f**\uff1a\u300c\u63a5\u6536\u4e00\u500b\u6587\u5b57 message\uff0c\u4e0d\u56de\u50b3\u4efb\u4f55\u6771\u897f\u3002<\/code>void<code> \u5c31\u662f\u300e\u6c92\u6709\u56de\u50b3\u503c\u300f\u7684\u610f\u601d\u3002\u300d\n\n**\u8b8a\u5316 4\uff1a\u53ef\u9078\u53c3\u6578**\n\n%%CODEBLOCK5554bf56ab92419ea7045247a7554a57%%\n\n**\u7ffb\u8b6f**\uff1a\u300cname \u4e00\u5b9a\u8981\u50b3\uff0cgreeting \u53ef\u50b3\u53ef\u4e0d\u50b3\u3002\u6c92\u50b3\u5c31\u7528\u9810\u8a2d\u503c \"Hello\"\u3002\u300d\n\n### \u56de\u50b3\u578b\u5225\u901a\u5e38\u53ef\u4ee5\u7701\u7565\n\n%%CODEBLOCK84c3d749c74b4154af78794fcb545bb6%%\n\n\u5169\u7a2e\u90fd\u6b63\u78ba\u3002AI \u6709\u6642\u5019\u6703\u5beb\u3001\u6709\u6642\u5019\u7701\u7565\uff0c\u90fd\u662f\u6b63\u5e38\u7684\u3002\n\n---\n\n## \u578b\u5225\u932f\u8aa4\u600e\u9ebc\u8b80\n\n\u7576\u4f60\u5728 AI \u5e6b\u4f60\u5beb\u7684\u7a0b\u5f0f\u78bc\u4e2d\u770b\u5230\u7d05\u8272\u5e95\u7dda\u6216\u932f\u8aa4\u8a0a\u606f\uff0c\u5148\u5225\u614c\u3002\u5927\u90e8\u5206\u578b\u5225\u932f\u8aa4\u90fd\u662f\u540c\u4e00\u7a2e\u6a21\u5f0f\uff1a\n\n### \u6700\u5e38\u898b\u7684\u932f\u8aa4\u8a0a\u606f\n\n**\u932f\u8aa4 1\uff1a\u578b\u5225\u4e0d\u5339\u914d**\n\n%%CODEBLOCKfdeaf30c151a44c2a02bb9dda72b9aed%%\n\n\u7ffb\u8b6f\uff1a\u300c\u4f60\u628a\u6578\u5b57\u585e\u9032\u4e86\u4e00\u500b\u61c9\u8a72\u653e\u6587\u5b57\u7684\u5730\u65b9\u3002\u300d\n\n%%CODEBLOCKa7e18c203e7c4c50ae754ec0e7c68f69%%\n\n**\u932f\u8aa4 2\uff1a\u7f3a\u5c11\u5c6c\u6027**\n\n%%CODEBLOCKf33e074a1f314fb0a06da8aae4462232%%\n\n\u7ffb\u8b6f\uff1a\u300c\u9019\u88e1\u9700\u8981\u6709 email \u6b04\u4f4d\uff0c\u4f46\u4f60\u6c92\u7d66\u3002\u300d\n\n**\u932f\u8aa4 3\uff1a\u53c3\u6578\u578b\u5225\u932f\u8aa4**\n\n%%CODEBLOCKab4fc86e761647888d9439fe02443bbc%%\n\n\u7ffb\u8b6f\uff1a\u300c\u9019\u500b\u51fd\u5f0f\u8981\u7684\u662f\u6578\u5b57\uff0c\u4f60\u50b3\u4e86\u6587\u5b57\u9032\u53bb\u3002\u300d\n\n### \u8b80\u932f\u8aa4\u8a0a\u606f\u7684\u516c\u5f0f\n\nTypeScript \u7684\u932f\u8aa4\u8a0a\u606f\u5e7e\u4e4e\u90fd\u662f\u9019\u500b\u683c\u5f0f\uff1a\n\n%%CODEBLOCK6ac41ab49a5a4d69b1dbc6121eec76ac%%\n\n\u7ffb\u8b6f\u516c\u5f0f\uff1a**\u300c\u4f60\u7d66\u4e86 A\uff0c\u4f46\u9019\u88e1\u9700\u8981 B\u3002\u300d**\n\n\u8a18\u4f4f\u9019\u500b\u516c\u5f0f\uff0c\u4e5d\u6210\u7684\u578b\u5225\u932f\u8aa4\u8a0a\u606f\u4f60\u90fd\u80fd\u770b\u61c2\u3002\n\n---\n\n## \u5b8c\u6574\u7bc4\u4f8b\uff1a\u628a\u6240\u6709\u6982\u5ff5\u4e32\u8d77\u4f86\n\n\u4e0b\u9762\u9019\u6bb5\u7a0b\u5f0f\u78bc\u53ef\u80fd\u662f AI \u5e6b\u4f60\u5beb\u51fa\u4f86\u7684\uff0c\u73fe\u5728\u4f60\u61c9\u8a72\u6bcf\u4e00\u884c\u90fd\u770b\u5f97\u61c2\u4e86\uff1a\n\n%%CODEBLOCKe0aa2ac4a8a141f0bdd97db45c27159b%%\n\n---\n\n## \u5fc5\u770b\u61c2 vs \u77e5\u9053\u5c31\u597d\n\n### \u5fc5\u770b\u61c2\uff08\u5929\u5929\u6703\u9047\u5230\uff09\n\n- <\/code>: string<code>\u3001<\/code>: number<code>\u3001<\/code>: boolean<code> -- \u57fa\u672c\u578b\u5225\u6a19\u8a3b\n- <\/code>string[]<code>\u3001<\/code>number[]<code> -- \u9663\u5217\u578b\u5225\n- \u51fd\u5f0f\u7684 <\/code>(param: type): returnType<code> -- \u53c3\u6578\u548c\u56de\u50b3\u578b\u5225\n- <\/code>?<code> \u53ef\u9078\u53c3\u6578\u548c <\/code>void<code> \u7121\u56de\u50b3\u503c\n\n### \u77e5\u9053\u5c31\u597d\uff08\u9047\u5230\u518d\u67e5\uff09\n\n- <\/code>Array<string><code> -- \u9663\u5217\u7684\u53e6\u4e00\u7a2e\u5beb\u6cd5\uff0c\u8ddf <\/code>string[]<code> \u4e00\u6a23\n- <\/code>any<code> -- \u9003\u751f\u53e3\uff0c\u770b\u5230\u5c31\u7559\u610f\n- \u578b\u5225\u63a8\u8ad6 -- TypeScript \u6703\u81ea\u52d5\u63a8\u65b7\uff0c\u4e0d\u7528\u6bcf\u6b21\u90fd\u624b\u5beb\n\n---\n\n## Vibe Coder \u6aa2\u67e5\u9ede\n\n\u770b\u5230 AI \u5beb\u7684 TypeScript \u7a0b\u5f0f\u78bc\u6642\u78ba\u8a8d\uff1a\n\n- [ ] \u51fd\u5f0f\u53c3\u6578\u6709\u6c92\u6709\u578b\u5225\u6a19\u8a3b\uff1f\uff08\u6c92\u6709\u53ef\u80fd\u5c0e\u81f4 <\/code>any<code>\uff09\n- [ ] \u6709\u6c92\u6709\u7528 <\/code>any<code>\uff1f\uff08\u5982\u679c\u6709\uff0c\u554f AI \u80fd\u4e0d\u80fd\u7528\u66f4\u7cbe\u78ba\u7684\u578b\u5225\uff09\n- [ ] \u9663\u5217\u578b\u5225\u5c0d\u55ce\uff1f\uff08<\/code>string[]` \u88e1\u9762\u61c9\u8a72\u90fd\u662f\u6587\u5b57\uff09<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>[ ] \u578b\u5225\u932f\u8aa4\u8a0a\u606f\u770b\u5f97\u61c2\u55ce\uff1f\uff08\u8a18\u4f4f\u516c\u5f0f\uff1a\u300c\u4f60\u7d66\u4e86 A\uff0c\u4f46\u9019\u88e1\u9700\u8981 B\u300d\uff09<\/li>\n\n<\/ul>\n\n\n\n<div id=\"quiz-fd2053ab\">\n<style>\n#quiz-fd2053ab .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-fd2053ab .badge.scenario {\n        background: #ebf8ff;\n        color: #2b6cb0;\n      }#quiz-fd2053ab .badge.debug {\n        background: #fef3c7;\n        color: #92400e;\n      }#quiz-fd2053ab .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-fd2053ab .question-adv h3 {\n        margin-top: 0;\n        color: #2d3748;\n      }#quiz-fd2053ab .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-fd2053ab .options-adv {\n        list-style: none;\n        padding: 0;\n      }#quiz-fd2053ab .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-fd2053ab .options-adv li:hover:not(.disabled) {\n        border-color: #ed8936;\n        background: #fffaf0;\n      }#quiz-fd2053ab .options-adv li.disabled {\n        cursor: default;\n        opacity: 0.7;\n      }#quiz-fd2053ab .options-adv li.show-answer {\n        border-color: #48bb78;\n        background: #f0fff4;\n      }#quiz-fd2053ab .options-adv li.wrong {\n        border-color: #fc8181;\n        background: #fff5f5;\n      }#quiz-fd2053ab .feedback-adv {\n        margin-top: 16px;\n        padding: 14px;\n        border-radius: 8px;\n        display: none;\n        line-height: 1.6;\n      }#quiz-fd2053ab .feedback-adv.correct {\n        background: #f0fff4;\n        color: #276749;\n        display: block;\n      }#quiz-fd2053ab .feedback-adv.wrong {\n        background: #fff5f5;\n        color: #c53030;\n        display: block;\n      }#quiz-fd2053ab .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-fd2053ab .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\uff1aTypeScript \u57fa\u672c\u578b\u5225\u6a19\u8a3b<\/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    <!-- \u60c5\u5883\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv1\">\n      <h3>1. AI \u5e6b\u4f60\u751f\u6210\u4e86\u4e00\u6bb5\u7a0b\u5f0f\u78bc\uff0c\u5176\u4e2d\u6709\u4e00\u500b\u51fd\u5f0f\u7684\u53c3\u6578\u6c92\u6709\u578b\u5225\u6a19\u8a3b\uff0c\u4f60\u61c9\u8a72\u600e\u9ebc\u505a\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">function processData(data) {\n    return data.name.toUpperCase();\n}<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(1, 'A', 'B')\">A. \u4e0d\u7528\u7ba1\uff0cTypeScript \u6703\u81ea\u52d5\u63a8\u65b7\u53c3\u6578\u578b\u5225<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'B', 'B')\">B. \u8acb AI \u52a0\u4e0a\u66f4\u7cbe\u78ba\u7684\u578b\u5225\u6a19\u8a3b\uff0c\u907f\u514d\u53c3\u6578\u8b8a\u6210 <code>any<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(1, 'C', 'B')\">C. \u624b\u52d5\u52a0\u4e0a <code>: any<\/code> \u8b93\u932f\u8aa4\u6d88\u5931<\/li>\n        <li onclick=\"checkAnswerAdv(1, 'D', 'B')\">D. \u6539\u7528 JavaScript \u5c31\u4e0d\u6703\u6709\u9019\u500b\u554f\u984c<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv1\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv2\">\n      <h3>2. \u4f60\u8981\u5efa\u7acb\u4e00\u500b\u51fd\u5f0f\uff0c\u63a5\u6536\u4f7f\u7528\u8005\u540d\u7a31\u4e26\u5370\u51fa\u6b61\u8fce\u8a0a\u606f\uff0c\u4e0d\u9700\u8981\u56de\u50b3\u4efb\u4f55\u503c\u3002\u4ee5\u4e0b\u54ea\u500b\u51fd\u5f0f\u7c3d\u540d\u6700\u6b63\u78ba\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(2, 'A', 'C')\">A. <code>function welcome(name: string): string<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'B', 'C')\">B. <code>function welcome(name: any): void<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'C', 'C')\">C. <code>function welcome(name: string): void<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(2, 'D', 'C')\">D. <code>function welcome(name): void<\/code><\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv2\"><\/div>\n    <\/div>\n\n    <!-- \u60c5\u5883\u984c 3 -->\n    <div class=\"question-adv\" id=\"qAdv3\">\n      <h3>3. AI \u7522\u751f\u4e86\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u3002\u4f60\u9700\u8981\u5728 <code>greet<\/code> \u51fd\u5f0f\u4e2d\u8b93 <code>greeting<\/code> \u53c3\u6578\u8b8a\u6210\u53ef\u9078\u7684\uff0c\u9810\u8a2d\u70ba &#8220;Hi&#8221;\u3002\u54ea\u500b\u4fee\u6539\u65b9\u5f0f\u6700\u6070\u7576\uff1f <span class=\"badge scenario\">\u60c5\u5883\u984c<\/span><\/h3>\n      <div class=\"code-block\">function greet(name: string, greeting: string): string {\n    return `${greeting}, ${name}`;\n}<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(3, 'A', 'D')\">A. \u628a <code>greeting: string<\/code> \u6539\u6210 <code>greeting: any<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(3, 'B', 'D')\">B. \u628a <code>greeting: string<\/code> \u6539\u6210 <code>greeting: string = \"Hi\"<\/code> \u4f46\u4e0d\u52a0\u554f\u865f<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'C', 'D')\">C. \u522a\u9664 <code>greeting<\/code> \u53c3\u6578\uff0c\u5728\u51fd\u5f0f\u5167\u90e8\u5beb\u6b7b &#8220;Hi&#8221;<\/li>\n        <li onclick=\"checkAnswerAdv(3, 'D', 'D')\">D. \u628a <code>greeting: string<\/code> \u6539\u6210 <code>greeting?: string<\/code>\uff0c\u4e26\u5728\u51fd\u5f0f\u5167\u7528 <code>greeting ?? \"Hi\"<\/code> \u8655\u7406\u9810\u8a2d\u503c<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv3\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 1 -->\n    <div class=\"question-adv\" id=\"qAdv4\">\n      <h3>4. \u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4e0d\u6703\u51fa\u73fe TypeScript \u7de8\u8b6f\u932f\u8aa4\uff0c\u4f46\u57f7\u884c\u6642\u6703\u5d29\u6f70\u3002\u554f\u984c\u51fa\u5728\u54ea\u88e1\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">let user: any = { name: &#8220;Alice&#8221; };\nconsole.log(user.age.toString());<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(4, 'A', 'C')\">A. <code>user<\/code> \u7269\u4ef6\u5c11\u5b9a\u7fa9\u4e86 <code>age<\/code> \u5c6c\u6027\uff0cTypeScript \u61c9\u8a72\u6703\u5831\u932f<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'B', 'C')\">B. <code>.toString()<\/code> \u65b9\u6cd5\u4e0d\u80fd\u7528\u5728\u6578\u5b57\u4e0a<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'C', 'C')\">C. <code>user<\/code> \u7528\u4e86 <code>any<\/code> \u578b\u5225\uff0cTypeScript \u4e0d\u6703\u6aa2\u67e5 <code>user.age<\/code> \u662f\u5426\u5b58\u5728\uff0c\u5c0e\u81f4\u5c0d <code>undefined<\/code> \u547c\u53eb <code>.toString()<\/code> \u800c\u5d29\u6f70<\/li>\n        <li onclick=\"checkAnswerAdv(4, 'D', 'C')\">D. <code>console.log<\/code> \u4e0d\u652f\u63f4\u63a5\u6536 <code>.toString()<\/code> \u7684\u56de\u50b3\u503c<\/li>\n      <\/ul>\n      <div class=\"feedback-adv\" id=\"fbAdv4\"><\/div>\n    <\/div>\n\n    <!-- \u932f\u8aa4\u8a3a\u65b7\u984c 2 -->\n    <div class=\"question-adv\" id=\"qAdv5\">\n      <h3>5. \u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u51fa\u73fe\u4e86\u932f\u8aa4\u8a0a\u606f\u3002\u6839\u64da\u932f\u8aa4\u8a0a\u606f\uff0c\u61c9\u8a72\u600e\u9ebc\u4fee\u6b63\uff1f <span class=\"badge debug\">\u932f\u8aa4\u8a3a\u65b7<\/span><\/h3>\n      <div class=\"code-block\">\/\/ \u7a0b\u5f0f\u78bc\nlet scores: string[] = [90, 85, 100];\n\n\/\/ \u932f\u8aa4\u8a0a\u606f\n\/\/ Type &#8216;number&#8217; is not assignable to type &#8216;string&#8217;.<\/div>\n      <ul class=\"options-adv\">\n        <li onclick=\"checkAnswerAdv(5, 'A', 'B')\">A. \u628a\u9663\u5217\u503c\u6539\u6210\u5b57\u4e32\uff1a<code>[\"90\", \"85\", \"100\"]<\/code><\/li>\n        <li onclick=\"checkAnswerAdv(5, 'B', 'B')\">B. \u628a\u578b\u5225\u6a19\u8a3b\u6539\u6210 <code>number[]<\/code>\uff0c\u56e0\u70ba\u9663\u5217\u5167\u5bb9\u662f\u6578\u5b57<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'C', 'B')\">C. \u6539\u7528 <code>any[]<\/code> \u8b93\u932f\u8aa4\u6d88\u5931<\/li>\n        <li onclick=\"checkAnswerAdv(5, 'D', 'B')\">D. \u79fb\u9664\u578b\u5225\u6a19\u8a3b\uff0c\u8b93 TypeScript \u81ea\u5df1\u63a8\u65b7<\/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: \" \u6587\u7ae0\u6307\u51fa\uff0c\u51fd\u5f0f\u53c3\u6578\u662f TypeScript \u7121\u6cd5\u81ea\u52d5\u63a8\u65b7\u7684\u60c5\u5883\uff0c\u5fc5\u9808\u624b\u52d5\u6a19\u8a3b\u578b\u5225\u3002\u5982\u679c\u53c3\u6578\u6c92\u6709\u6a19\u8a3b\uff0c\u5b83\u6703\u88ab\u8996\u70ba <code>any<\/code>\uff0c\u7b49\u65bc\u95dc\u9589\u4e86\u578b\u5225\u4fdd\u8b77\u3002\u52a0\u4e0a <code>: any<\/code>\uff08\u9078\u9805 C\uff09\u96d6\u7136\u6d88\u9664\u4e86\u8b66\u544a\uff0c\u4f46\u540c\u6a23\u5931\u53bb\u578b\u5225\u5b89\u5168\u3002\u6700\u4f73\u505a\u6cd5\u662f\u8acb AI \u7528\u66f4\u7cbe\u78ba\u7684\u578b\u5225\u4f86\u6a19\u8a3b\u3002\",\n        2: \" \u51fd\u5f0f\u4e0d\u9700\u8981\u56de\u50b3\u503c\u6642\uff0c\u56de\u50b3\u578b\u5225\u61c9\u6a19\u8a3b\u70ba <code>void<\/code>\u3002\u53c3\u6578 <code>name<\/code> \u662f\u6587\u5b57\uff0c\u61c9\u6a19\u8a3b\u70ba <code>string<\/code> \u800c\u975e <code>any<\/code>\u3002\u9078\u9805 A \u7684\u56de\u50b3\u578b\u5225 <code>string<\/code> \u4e0d\u7b26\u5408\u300c\u4e0d\u56de\u50b3\u300d\u7684\u9700\u6c42\uff1b\u9078\u9805 B \u7528\u4e86 <code>any<\/code> \u4e0d\u5920\u7cbe\u78ba\uff1b\u9078\u9805 D \u7f3a\u5c11\u53c3\u6578\u578b\u5225\u6a19\u8a3b\uff0c\u6703\u5c0e\u81f4\u96b1\u5f0f <code>any<\/code>\u3002\",\n        3: \" \u6587\u7ae0\u793a\u7bc4\u4e86\u53ef\u9078\u53c3\u6578\u7684\u505a\u6cd5\uff1a\u5728\u53c3\u6578\u540d\u7a31\u5f8c\u52a0 <code>?<\/code> \u8868\u793a\u53ef\u50b3\u53ef\u4e0d\u50b3\uff0c\u518d\u7528 <code>??<\/code> \u904b\u7b97\u5b50\u63d0\u4f9b\u9810\u8a2d\u503c\u3002\u9078\u9805 B \u96d6\u7136\u4e5f\u80fd\u9054\u5230\u9810\u8a2d\u503c\u6548\u679c\uff0c\u4f46\u8a9e\u610f\u4e0a\u4e0d\u540c\u65bc\u300c\u53ef\u9078\u53c3\u6578\u300d\u3002\u9078\u9805 A \u6539\u6210 <code>any<\/code> \u6703\u5931\u53bb\u578b\u5225\u5b89\u5168\u3002\u9078\u9805 C \u5247\u8b93\u51fd\u5f0f\u5931\u53bb\u5f48\u6027\uff0c\u7121\u6cd5\u81ea\u8a02\u62db\u547c\u8a9e\u3002\",\n        4: \" \u9019\u662f\u6587\u7ae0\u4e2d\u300c<code>any<\/code> \u7684\u98a8\u96aa\u300d\u6bb5\u843d\u7684\u5be6\u969b\u7bc4\u4f8b\u3002\u56e0\u70ba <code>user<\/code> \u88ab\u6a19\u8a3b\u70ba <code>any<\/code>\uff0cTypeScript \u5b8c\u5168\u4e0d\u6703\u6aa2\u67e5\u5b58\u53d6\u7684\u5c6c\u6027\u662f\u5426\u5b58\u5728\u3002<code>user.age<\/code> \u662f <code>undefined<\/code>\uff0c\u5c0d\u5b83\u547c\u53eb <code>.toString()<\/code> \u6703\u62cb\u51fa\u57f7\u884c\u6642\u932f\u8aa4\u3002\u6b63\u78ba\u505a\u6cd5\u662f\u7528\u66f4\u7cbe\u78ba\u7684\u578b\u5225\u53d6\u4ee3 <code>any<\/code>\uff0c\u8b93 TypeScript \u5728\u7de8\u8b6f\u671f\u5c31\u6293\u5230\u554f\u984c\u3002\",\n        5: \" \u6839\u64da\u932f\u8aa4\u8a0a\u606f\u516c\u5f0f\u300c\u4f60\u7d66\u4e86 A\uff0c\u4f46\u9019\u88e1\u9700\u8981 B\u300d\uff1a\u4f60\u7d66\u4e86 <code>number<\/code>\uff0890, 85, 100 \u662f\u6578\u5b57\uff09\uff0c\u4f46\u578b\u5225\u6a19\u8a3b\u8aaa\u9700\u8981 <code>string<\/code>\u3002\u4fee\u6b63\u65b9\u5f0f\u61c9\u8a72\u662f\u8b93\u578b\u5225\u6a19\u8a3b\u7b26\u5408\u5be6\u969b\u8cc7\u6599\uff0c\u6539\u6210 <code>number[]<\/code>\u3002\u9078\u9805 A \u96d6\u7136\u4e5f\u80fd\u6d88\u9664\u932f\u8aa4\uff0c\u4f46\u6539\u8b8a\u4e86\u8cc7\u6599\u672c\u8eab\u7684\u610f\u7fa9\u3002\u9078\u9805 C \u7528 <code>any[]<\/code> \u662f\u9003\u907f\u554f\u984c\u3002\u9078\u9805 D \u96d6\u7136\u53ef\u884c\uff0c\u4f46\u4e0d\u5982\u660e\u78ba\u6a19\u8a3b\u4f86\u5f97\u6e05\u695a\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\uff1aTypeScript \u57fa\u672c\u578b\u5225\u6a19\u8a3b \u5171 5 \u984c\uff0c\u9ede\u9078\u7b54\u6848\u5f8c\u6703\u7acb\u5373\u986f\u793a\u7d50\u679c 1. \u5728 TypeScript 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