{"id":1399,"date":"2025-02-08T00:15:49","date_gmt":"2025-02-07T16:15:49","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1399"},"modified":"2025-02-08T00:15:50","modified_gmt":"2025-02-07T16:15:50","slug":"%e8%bf%9b%e9%98%b6-javascript-%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%87%bd%e6%95%b0%e3%80%81%e5%bc%82%e6%ad%a5%e7%bc%96%e7%a8%8b%e4%b8%8e%e4%bd%9c%e7%94%a8%e5%9f%9f%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/08\/%e8%bf%9b%e9%98%b6-javascript-%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%87%bd%e6%95%b0%e3%80%81%e5%bc%82%e6%ad%a5%e7%bc%96%e7%a8%8b%e4%b8%8e%e4%bd%9c%e7%94%a8%e5%9f%9f%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90\/","title":{"rendered":"\u8fdb\u9636 JavaScript \u6280\u5de7\uff1a\u51fd\u6570\u3001\u5f02\u6b65\u7f16\u7a0b\u4e0e\u4f5c\u7528\u57df\u6df1\u5165\u89e3\u6790"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5728\u5b66\u4e60\u4e86 JavaScript \u7684\u57fa\u7840\u77e5\u8bc6\u540e\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u7d22\u4e00\u4e9b\u66f4\u4e3a\u590d\u6742\u548c\u5f3a\u5927\u7684\u7279\u6027\uff0c\u5e2e\u52a9\u4f60\u6210\u4e3a\u4e00\u4e2a\u66f4\u9ad8\u7ea7\u7684 JavaScript \u5f00\u53d1\u8005\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">1. <strong>\u51fd\u6570\u8fdb\u9636<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">\u51fd\u6570\u8868\u8fbe\u5f0f\u4e0e\u51fd\u6570\u58f0\u660e<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u51fd\u6570\u58f0\u660e\uff08Function Declaration\uff09<\/strong>\uff1a<br>\u51fd\u6570\u58f0\u660e\u4f7f\u7528 <code>function<\/code> \u5173\u952e\u5b57\uff0c\u5b9a\u4e49\u4e00\u4e2a\u5177\u540d\u51fd\u6570\u3002\u5b83\u53ef\u4ee5\u5728\u5b9a\u4e49\u4e4b\u524d\u8c03\u7528\uff08\u51fd\u6570\u63d0\u5347\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  \/\/ \u51fd\u6570\u58f0\u660e\n  function add(a, b) {\n    return a + b;\n  }\n\n  console.log(add(2, 3)); \/\/ \u8f93\u51fa: 5<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u51fd\u6570\u8868\u8fbe\u5f0f\uff08Function Expression\uff09<\/strong>\uff1a<br>\u51fd\u6570\u8868\u8fbe\u5f0f\u662f\u5c06\u4e00\u4e2a\u533f\u540d\u51fd\u6570\u8d4b\u503c\u7ed9\u53d8\u91cf\u3002\u5b83\u4e0d\u80fd\u5728\u58f0\u660e\u4e4b\u524d\u8c03\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  \/\/ \u51fd\u6570\u8868\u8fbe\u5f0f\n  const multiply = function(a, b) {\n    return a * b;\n  };\n\n  console.log(multiply(2, 3)); \/\/ \u8f93\u51fa: 6<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u533f\u540d\u51fd\u6570\u4e0e\u7bad\u5934\u51fd\u6570\uff08<code>=&gt;<\/code>\uff09<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u533f\u540d\u51fd\u6570<\/strong>\uff1a<br>\u533f\u540d\u51fd\u6570\u662f\u6ca1\u6709\u540d\u79f0\u7684\u51fd\u6570\uff0c\u901a\u5e38\u7528\u4e8e\u51fd\u6570\u8868\u8fbe\u5f0f\u4e2d\u6216\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  const sum = function(a, b) {\n    return a + b;\n  };<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7bad\u5934\u51fd\u6570\uff08Arrow Function\uff09<\/strong>\uff1a<br>\u7bad\u5934\u51fd\u6570\u63d0\u4f9b\u4e86\u66f4\u7b80\u6d01\u7684\u8bed\u6cd5\uff0c\u5e76\u4e14\u4e0d\u7ed1\u5b9a <code>this<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  const subtract = (a, b) =&gt; a - b;\n  console.log(subtract(5, 2)); \/\/ \u8f93\u51fa: 3<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7bad\u5934\u51fd\u6570\u7684\u8bed\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>() => {}<\/code>\uff1a\u65e0\u53c2\u6570\u6216\u4e00\u4e2a\u53c2\u6570\u7684\u7bad\u5934\u51fd\u6570\u3002<\/li>\n\n\n\n<li>\u53c2\u6570\u62ec\u53f7\u53ef\u4ee5\u7701\u7565\uff0c\u4e14\u5982\u679c\u53ea\u6709\u4e00\u4e2a\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u7701\u7565 <code>{}<\/code> \u548c <code>return<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u9ad8\u9636\u51fd\u6570\uff08Higher-Order Function\uff09<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u9ad8\u9636\u51fd\u6570\u662f\u6307\u63a5\u53d7\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u6216\u8fd4\u56de\u4e00\u4e2a\u51fd\u6570\u7684\u51fd\u6570\u3002\u5b83\u662f\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u9ad8\u9636\u51fd\u6570\nfunction greet(name) {\n  return function(message) {\n    console.log(`${message}, ${name}`);\n  };\n}\n\nconst greetJohn = greet(\"John\");\ngreetJohn(\"Hello\"); \/\/ \u8f93\u51fa: Hello, John<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u95ed\u5305\uff08Closures\uff09\u4e0e\u4f5c\u7528\u57df\u94fe<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u95ed\u5305<\/strong>\uff1a<br>\u95ed\u5305\u662f\u51fd\u6570\u548c\u58f0\u660e\u8be5\u51fd\u6570\u7684\u8bcd\u6cd5\u73af\u5883\u7684\u7ec4\u5408\u3002\u5b83\u5141\u8bb8\u51fd\u6570\u8bbf\u95ee\u5916\u90e8\u51fd\u6570\u7684\u53d8\u91cf\uff0c\u5373\u4f7f\u5916\u90e8\u51fd\u6570\u5df2\u7ecf\u6267\u884c\u5b8c\u6bd5\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  function outer() {\n    let count = 0;\n    return function inner() {\n      count++;\n      console.log(count);\n    };\n  }\n\n  const counter = outer();\n  counter(); \/\/ \u8f93\u51fa: 1\n  counter(); \/\/ \u8f93\u51fa: 2<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f5c\u7528\u57df\u94fe<\/strong>\uff1a<br>\u4f5c\u7528\u57df\u94fe\u662f JavaScript \u67e5\u627e\u53d8\u91cf\u7684\u673a\u5236\u3002\u5f53\u8bbf\u95ee\u4e00\u4e2a\u53d8\u91cf\u65f6\uff0c\u5b83\u9996\u5148\u5728\u5f53\u524d\u51fd\u6570\u7684\u4f5c\u7528\u57df\u5185\u67e5\u627e\uff0c\u5982\u679c\u627e\u4e0d\u5230\uff0c\u5219\u7ee7\u7eed\u5728\u5916\u5c42\u4f5c\u7528\u57df\u4e2d\u67e5\u627e\uff0c\u76f4\u5230\u5168\u5c40\u4f5c\u7528\u57df\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><code>this<\/code> \u5173\u952e\u5b57\u7684\u4f5c\u7528\u548c\u7ed1\u5b9a<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>this<\/code> \u5728\u51fd\u6570\u5185\u90e8\u6307\u4ee3\u5f53\u524d\u6267\u884c\u4e0a\u4e0b\u6587\u4e2d\u7684\u5bf9\u8c61\u3002\u5b83\u7684\u503c\u53d6\u51b3\u4e8e\u51fd\u6570\u7684\u8c03\u7528\u65b9\u5f0f\uff1a<\/li>\n\n\n\n<li><strong>\u666e\u901a\u51fd\u6570\u8c03\u7528<\/strong>\uff1a\u6307\u5411\u5168\u5c40\u5bf9\u8c61\uff08\u6d4f\u89c8\u5668\u4e2d\u4e3a <code>window<\/code>\uff09\u3002<\/li>\n\n\n\n<li><strong>\u65b9\u6cd5\u8c03\u7528<\/strong>\uff1a\u6307\u5411\u65b9\u6cd5\u6240\u5c5e\u7684\u5bf9\u8c61\u3002<\/li>\n\n\n\n<li><strong>\u6784\u9020\u51fd\u6570\u8c03\u7528<\/strong>\uff1a\u6307\u5411\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u3002<\/li>\n\n\n\n<li><strong>\u7bad\u5934\u51fd\u6570<\/strong>\uff1a\u7bad\u5934\u51fd\u6570\u6ca1\u6709\u81ea\u5df1\u7684 <code>this<\/code>\uff0c\u5b83\u7ee7\u627f\u81ea\u5916\u90e8\u73af\u5883\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  const obj = {\n    name: \"Alice\",\n    greet: function() {\n      console.log(this.name);\n    }\n  };\n\n  obj.greet(); \/\/ \u8f93\u51fa: Alice<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">2. <strong>\u4f5c\u7528\u57df\u4e0e\u4f5c\u7528\u57df\u94fe<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">\u5c40\u90e8\u4f5c\u7528\u57df\u4e0e\u5168\u5c40\u4f5c\u7528\u57df<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5c40\u90e8\u4f5c\u7528\u57df<\/strong>\uff1a\u5728\u51fd\u6570\u5185\u90e8\u58f0\u660e\u7684\u53d8\u91cf\u53ea\u5bf9\u8be5\u51fd\u6570\u6709\u6548\u3002<\/li>\n\n\n\n<li><strong>\u5168\u5c40\u4f5c\u7528\u57df<\/strong>\uff1a\u5728\u51fd\u6570\u5916\u90e8\u58f0\u660e\u7684\u53d8\u91cf\u53ef\u4ee5\u5728\u6574\u4e2a\u811a\u672c\u4e2d\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  let globalVar = \"I am global\";\n\n  function testScope() {\n    let localVar = \"I am local\";\n    console.log(globalVar); \/\/ \u53ef\u4ee5\u8bbf\u95ee\n    console.log(localVar);  \/\/ \u53ef\u4ee5\u8bbf\u95ee\n  }\n\n  console.log(globalVar);  \/\/ \u53ef\u4ee5\u8bbf\u95ee\n  console.log(localVar);   \/\/ \u9519\u8bef\uff1alocalVar is not defined<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u6267\u884c\u4e0a\u4e0b\u6587\u4e0e\u6267\u884c\u6808<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6267\u884c\u4e0a\u4e0b\u6587\uff08Execution Context\uff09<\/strong>\uff1a\u6bcf\u5f53\u51fd\u6570\u88ab\u8c03\u7528\u65f6\uff0cJavaScript \u5f15\u64ce\u521b\u5efa\u4e00\u4e2a\u6267\u884c\u4e0a\u4e0b\u6587\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u53d8\u91cf\u3001\u51fd\u6570\u3001\u4ee5\u53ca <code>this<\/code> \u7684\u4fe1\u606f\u3002<\/li>\n\n\n\n<li><strong>\u6267\u884c\u6808\uff08Execution Stack\uff09<\/strong>\uff1a\u5f53\u4ee3\u7801\u8fd0\u884c\u65f6\uff0c\u6240\u6709\u6267\u884c\u4e0a\u4e0b\u6587\u4f1a\u88ab\u63a8\u5165\u6267\u884c\u6808\u3002\u6808\u9876\u7684\u4e0a\u4e0b\u6587\u6b63\u5728\u6267\u884c\uff0c\u6808\u5e95\u7684\u4e0a\u4e0b\u6587\u6700\u65e9\u5f00\u59cb\u6267\u884c\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  function foo() {\n    console.log(\"foo\");\n  }\n\n  function bar() {\n    foo();\n    console.log(\"bar\");\n  }\n\n  bar();\n  \/\/ \u8f93\u51fa:\n  \/\/ foo\n  \/\/ bar<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u8bcd\u6cd5\u4f5c\u7528\u57df\u4e0e\u52a8\u6001\u4f5c\u7528\u57df<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u8bcd\u6cd5\u4f5c\u7528\u57df<\/strong>\uff1a\u5728 JavaScript \u4e2d\uff0c\u4f5c\u7528\u57df\u662f\u5728\u51fd\u6570\u5b9a\u4e49\u65f6\u5c31\u786e\u5b9a\u4e86\uff0c\u800c\u4e0d\u662f\u51fd\u6570\u8c03\u7528\u65f6\u3002\u5373\u4f7f\u4e00\u4e2a\u51fd\u6570\u5728\u4e0d\u540c\u7684\u5730\u65b9\u8c03\u7528\uff0c\u5b83\u4e5f\u4f1a\u9075\u5faa\u5b9a\u4e49\u65f6\u7684\u4f5c\u7528\u57df\u89c4\u5219\u3002<\/li>\n\n\n\n<li><strong>\u52a8\u6001\u4f5c\u7528\u57df<\/strong>\uff1a\u5728\u67d0\u4e9b\u7f16\u7a0b\u8bed\u8a00\u4e2d\uff0c\u4f5c\u7528\u57df\u662f\u6839\u636e\u51fd\u6570\u8c03\u7528\u65f6\u7684\u6808\u6765\u51b3\u5b9a\u7684\uff08\u5982 Python\uff09\uff0c\u800c JavaScript \u662f\u57fa\u4e8e\u8bcd\u6cd5\u4f5c\u7528\u57df\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">3. <strong>\u5f02\u6b65\u7f16\u7a0b<\/strong><\/h4>\n\n\n\n<h5 class=\"wp-block-heading\">\u56de\u8c03\u51fd\u6570\u4e0e\u56de\u8c03\u5730\u72f1<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u56de\u8c03\u51fd\u6570\uff08Callback Function\uff09<\/strong>\uff1a\u56de\u8c03\u51fd\u6570\u662f\u5728\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\u540e\u88ab\u8c03\u7528\u7684\u51fd\u6570\u3002\u5e38\u7528\u4e8e\u5904\u7406\u5982\u6587\u4ef6\u8bfb\u53d6\u3001\u6570\u636e\u5e93\u67e5\u8be2\u7b49\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  function fetchData(callback) {\n    setTimeout(() =&gt; {\n      callback(\"Data fetched\");\n    }, 2000);\n  }\n\n  fetchData((message) =&gt; {\n    console.log(message); \/\/ \u8f93\u51fa: Data fetched\n  });<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u56de\u8c03\u5730\u72f1\uff08Callback Hell\uff09<\/strong>\uff1a\u5f53\u591a\u4e2a\u56de\u8c03\u51fd\u6570\u5d4c\u5957\u65f6\uff0c\u4ee3\u7801\u4f1a\u53d8\u5f97\u96be\u4ee5\u7406\u89e3\u548c\u7ef4\u62a4\uff0c\u5f62\u6210\u56de\u8c03\u5730\u72f1\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  setTimeout(() =&gt; {\n    setTimeout(() =&gt; {\n      setTimeout(() =&gt; {\n        console.log(\"Nested callbacks\");\n      }, 1000);\n    }, 1000);\n  }, 1000);<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">Promise\uff08\u57fa\u7840\u4f7f\u7528\u3001\u94fe\u5f0f\u8c03\u7528\u3001\u9519\u8bef\u5904\u7406\uff09<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Promise<\/strong>\uff1aPromise \u662f\u7528\u4e8e\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u7684\u5bf9\u8c61\uff0c\u5b83\u8868\u793a\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\u7684\u6700\u7ec8\u7ed3\u679c\uff08\u6210\u529f\u6216\u5931\u8d25\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  let promise = new Promise((resolve, reject) =&gt; {\n    let success = true;\n    if (success) {\n      resolve(\"Success\");\n    } else {\n      reject(\"Error\");\n    }\n  });\n\n  promise.then((message) =&gt; {\n    console.log(message); \/\/ \u8f93\u51fa: Success\n  }).catch((message) =&gt; {\n    console.log(message); \/\/ \u5982\u679c\u5931\u8d25\uff0c\u8f93\u51fa: Error\n  });<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u94fe\u5f0f\u8c03\u7528<\/strong>\uff1a\u901a\u8fc7 <code>then()<\/code> \u65b9\u6cd5\u5c06\u591a\u4e2a\u5f02\u6b65\u64cd\u4f5c\u94fe\u63a5\u8d77\u6765\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  fetchData()\n    .then((data) =&gt; processData(data))\n    .then((processedData) =&gt; saveData(processedData))\n    .catch((error) =&gt; console.log(error));<\/code><\/pre>\n\n\n\n<h5 class=\"wp-block-heading\"><code>async<\/code> \u548c <code>await<\/code>\uff08\u5f02\u6b65\u7f16\u7a0b\u7684\u73b0\u4ee3\u65b9\u5f0f\uff09<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>async<\/code> \u548c <code>await<\/code><\/strong> \u662f\u57fa\u4e8e Promise \u7684\u8bed\u6cd5\u7cd6\uff0c\u4f7f\u5f97\u5f02\u6b65\u4ee3\u7801\u770b\u8d77\u6765\u50cf\u540c\u6b65\u4ee3\u7801\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>  async function fetchData() {\n    let data = await getDataFromServer();\n    console.log(data);\n  }\n\n  fetchData();<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><code>async<\/code><\/strong>\uff1a\u6807\u8bb0\u51fd\u6570\u4e3a\u5f02\u6b65\u51fd\u6570\uff0c\u8fd4\u56de\u4e00\u4e2a Promise\u3002<\/li>\n\n\n\n<li><strong><code>await<\/code><\/strong>\uff1a\u7b49\u5f85\u4e00\u4e2a Promise \u7684\u7ed3\u679c\uff0c\u53ea\u6709\u5728 <code>async<\/code> \u51fd\u6570\u5185\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c0f\u7ed3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u5b66\u4e60\u8fd9\u4e9b JavaScript \u8fdb\u9636\u7279\u6027\uff0c\u4f60\u5c06\u80fd\u591f\u66f4\u9ad8\u6548\u5730\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u3001\u6df1\u5165\u7406\u89e3\u51fd\u6570\u7684\u7075\u6d3b\u5e94\u7528\uff0c\u5e76\u638c\u63e1\u4f5c\u7528\u57df\u3001\u95ed\u5305\u3001<code>this<\/code> \u5173\u952e\u5b57\u7b49\u9ad8\u7ea7\u6982\u5ff5\u3002\u8fd9\u4e9b\u77e5\u8bc6\u5bf9\u4f60\u7f16\u5199\u9ad8\u6548\u3001\u53ef\u7ef4\u62a4\u7684 JavaScript \u4ee3\u7801\u81f3\u5173\u91cd\u8981\uff0c\u80fd\u591f\u5e2e\u52a9\u4f60\u5728\u590d\u6742\u7684\u9879\u76ee\u4e2d\u66f4\u52a0\u5f97\u5fc3\u5e94\u624b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5b66\u4e60\u4e86 JavaScript \u7684\u57fa\u7840\u77e5\u8bc6\u540e\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u7d22\u4e00\u4e9b\u66f4\u4e3a\u590d\u6742\u548c\u5f3a\u5927\u7684\u7279\u6027\uff0c\u5e2e\u52a9\u4f60\u6210\u4e3a\u4e00\u4e2a\u66f4\u9ad8 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[46],"tags":[],"class_list":["post-1399","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=1399"}],"version-history":[{"count":2,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1399\/revisions"}],"predecessor-version":[{"id":1417,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1399\/revisions\/1417"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}