{"id":1406,"date":"2025-02-08T00:17:51","date_gmt":"2025-02-07T16:17:51","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=1406"},"modified":"2025-02-08T00:17:52","modified_gmt":"2025-02-07T16:17:52","slug":"%e4%bc%98%e5%8c%96-javascript-%e6%80%a7%e8%83%bd%ef%bc%9a%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86%e4%b8%8e%e4%bb%a3%e7%a0%81%e4%bc%98%e5%8c%96%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/02\/08\/%e4%bc%98%e5%8c%96-javascript-%e6%80%a7%e8%83%bd%ef%bc%9a%e5%86%85%e5%ad%98%e7%ae%a1%e7%90%86%e4%b8%8e%e4%bb%a3%e7%a0%81%e4%bc%98%e5%8c%96%e6%8a%80%e5%b7%a7\/","title":{"rendered":"\u4f18\u5316 JavaScript \u6027\u80fd\uff1a\u5185\u5b58\u7ba1\u7406\u4e0e\u4ee3\u7801\u4f18\u5316\u6280\u5de7"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">JavaScript \u6027\u80fd\u4f18\u5316\u662f\u63d0\u9ad8 Web \u5e94\u7528\u54cd\u5e94\u901f\u5ea6\u548c\u7528\u6237\u4f53\u9a8c\u7684\u91cd\u8981\u624b\u6bb5\u3002\u968f\u7740\u5e94\u7528\u7684\u89c4\u6a21\u4e0d\u65ad\u6269\u5927\uff0c\u6027\u80fd\u4f18\u5316\u53d8\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u672c\u7ae0\u8282\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u4f18\u5316 JavaScript \u7684\u5185\u5b58\u7ba1\u7406\u3001\u4ee3\u7801\u6267\u884c\u548c\u4efb\u52a1\u5904\u7406\u6548\u7387\u3002\u5305\u62ec\u5185\u5b58\u7ba1\u7406\u3001\u5783\u573e\u56de\u6536\u3001\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u3001\u4f18\u5316\u4ee3\u7801\u548c\u4f7f\u7528\u5e76\u884c\u8ba1\u7b97\u7b49\u65b9\u9762\u7684\u6280\u5de7\u548c\u65b9\u6cd5\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>\u5185\u5b58\u7ba1\u7406<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u5185\u5b58\u7ba1\u7406\u662f\u5f00\u53d1\u8005\u5fc5\u987b\u4e86\u89e3\u7684\u91cd\u8981\u90e8\u5206\uff0c\u5408\u7406\u7684\u5185\u5b58\u4f7f\u7528\u4e0d\u4ec5\u80fd\u63d0\u9ad8\u6027\u80fd\uff0c\u8fd8\u80fd\u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u5bfc\u81f4\u7684\u8d44\u6e90\u6d6a\u8d39\u3002JavaScript \u5f15\u64ce\u4f1a\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\uff0c\u4f46\u5f00\u53d1\u8005\u4ecd\u7136\u53ef\u4ee5\u91c7\u53d6\u63aa\u65bd\u6765\u4f18\u5316\u5185\u5b58\u7684\u4f7f\u7528\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u5783\u573e\u56de\u6536\u673a\u5236<\/strong><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript \u4f7f\u7528\u5783\u573e\u56de\u6536\uff08GC\uff09\u6765\u81ea\u52a8\u7ba1\u7406\u5185\u5b58\u3002\u5783\u573e\u56de\u6536\u673a\u5236\u4f1a\u5728\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\u5360\u7528\u5185\u5b58\u65f6\u81ea\u52a8\u91ca\u653e\u5b83\u4eec\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u4f1a\u56e0\u4e3a\u5185\u5b58\u6cc4\u6f0f\u7b49\u539f\u56e0\u5bfc\u81f4\u4e0d\u5fc5\u8981\u7684\u5185\u5b58\u5360\u7528\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6807\u8bb0-\u6e05\u9664\u7b97\u6cd5<\/strong>\uff1a\u8fd9\u662f\u5e38\u7528\u7684\u5783\u573e\u56de\u6536\u7b97\u6cd5\uff0c\u6807\u8bb0\u4e0d\u518d\u4f7f\u7528\u7684\u5bf9\u8c61\uff0c\u5e76\u5728\u5408\u9002\u7684\u65f6\u673a\u6e05\u9664\u5b83\u4eec\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>let obj = { name: \"Alice\" };\nobj = null;  \/\/ \u6b64\u65f6 obj \u88ab\u5783\u573e\u56de\u6536\u673a\u5236\u6807\u8bb0\u4e3a\u53ef\u4ee5\u56de\u6536<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5f15\u7528\u8ba1\u6570<\/strong>\uff1a\u5783\u573e\u56de\u6536\u4f1a\u8ddf\u8e2a\u5bf9\u8c61\u7684\u5f15\u7528\u8ba1\u6570\uff0c\u5f53\u5f15\u7528\u8ba1\u6570\u4e3a 0 \u65f6\uff0c\u610f\u5473\u7740\u6ca1\u6709\u5f15\u7528\u8be5\u5bf9\u8c61\uff0c\u53ef\u4ee5\u5b89\u5168\u5730\u6e05\u9664\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u5185\u5b58\u6cc4\u6f0f\u7684\u5e38\u89c1\u539f\u56e0\u548c\u907f\u514d\u65b9\u6cd5<\/strong><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">\u5185\u5b58\u6cc4\u6f0f\u662f\u6307\u4e0d\u518d\u9700\u8981\u7684\u5bf9\u8c61\u4ecd\u7136\u5360\u7528\u5185\u5b58\uff0c\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u4e0b\u964d\u3002\u5e38\u89c1\u7684\u5185\u5b58\u6cc4\u6f0f\u539f\u56e0\u548c\u907f\u514d\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u610f\u5916\u7684\u5168\u5c40\u53d8\u91cf<\/strong>\uff1a\u672a\u58f0\u660e\u7684\u53d8\u91cf\u4f1a\u6210\u4e3a\u5168\u5c40\u53d8\u91cf\uff0c\u8fd9\u4e9b\u5168\u5c40\u53d8\u91cf\u4f1a\u957f\u671f\u5360\u7528\u5185\u5b58\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u907f\u514d\u65b9\u6cd5<\/strong>\uff1a\u59cb\u7ec8\u4f7f\u7528 <code>let<\/code>\u3001<code>const<\/code> \u6216 <code>var<\/code> \u660e\u786e\u58f0\u660e\u53d8\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>   \/\/ \u9519\u8bef\uff1a\u610f\u5916\u7684\u5168\u5c40\u53d8\u91cf\n   function test() {\n     undeclaredVar = 10;  \/\/ \u6ca1\u6709\u4f7f\u7528 var\/let\/const\uff0c\u5bfc\u81f4\u5b83\u6210\u4e3a\u5168\u5c40\u53d8\u91cf\n   }<\/code><\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>DOM \u4e8b\u4ef6\u76d1\u542c\u672a\u79fb\u9664<\/strong>\uff1a\u5f53\u6dfb\u52a0\u4e86\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u4f46\u6ca1\u6709\u79fb\u9664\u65f6\uff0c\u5bfc\u81f4\u4e8b\u4ef6\u76d1\u542c\u5668\u5bf9 DOM \u5143\u7d20\u7684\u5f15\u7528\u4e0d\u80fd\u88ab\u5783\u573e\u56de\u6536\uff0c\u8fdb\u800c\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u907f\u514d\u65b9\u6cd5<\/strong>\uff1a\u5728\u4e0d\u9700\u8981\u65f6\u53ca\u65f6\u79fb\u9664\u4e8b\u4ef6\u76d1\u542c\u5668\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>   const button = document.getElementById('myButton');\n   function handleClick() {\n     console.log('Button clicked');\n   }\n   button.addEventListener('click', handleClick);\n\n   \/\/ \u79fb\u9664\u4e8b\u4ef6\u76d1\u542c\u5668\n   button.removeEventListener('click', handleClick);<\/code><\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u95ed\u5305\u5bfc\u81f4\u7684\u5185\u5b58\u6cc4\u6f0f<\/strong>\uff1a\u95ed\u5305\u4f1a\u521b\u5efa\u5bf9\u5916\u90e8\u51fd\u6570\u53d8\u91cf\u7684\u5f15\u7528\uff0c\u5982\u679c\u95ed\u5305\u672a\u6b63\u786e\u9500\u6bc1\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5916\u90e8\u53d8\u91cf\u65e0\u6cd5\u88ab\u5783\u573e\u56de\u6536\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u907f\u514d\u65b9\u6cd5<\/strong>\uff1a\u907f\u514d\u5728\u4e0d\u5fc5\u8981\u7684\u5730\u65b9\u521b\u5efa\u95ed\u5305\uff0c\u53ca\u65f6\u6e05\u9664\u5bf9\u5916\u90e8\u53d8\u91cf\u7684\u5f15\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>   function createClosure() {\n     let largeArray = new Array(1000000).fill(\"data\");\n     return function() {\n       console.log(largeArray&#91;0]);\n     };\n   }\n\n   const closure = createClosure();  \/\/ \u8fd9\u91cc\u7684 largeArray \u4e0d\u80fd\u88ab\u5783\u573e\u56de\u6536<\/code><\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u672a\u6e05\u7406\u7684\u5b9a\u65f6\u5668\u548c\u8bf7\u6c42<\/strong>\uff1a\u5b9a\u65f6\u5668\uff08<code>setTimeout()<\/code>\u3001<code>setInterval()<\/code>\uff09\u548c\u5f02\u6b65\u8bf7\u6c42\uff08\u5982 <code>XMLHttpRequest<\/code>\u3001<code>fetch<\/code>\uff09\u5982\u679c\u672a\u88ab\u6e05\u7406\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5185\u5b58\u6cc4\u6f0f\u3002<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u907f\u514d\u65b9\u6cd5<\/strong>\uff1a\u6e05\u7406\u5b9a\u65f6\u5668\u548c\u53d6\u6d88\u4e0d\u518d\u9700\u8981\u7684\u5f02\u6b65\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>   const timer = setInterval(() =&gt; {\n     console.log('This is a timer');\n   }, 1000);\n\n   \/\/ \u6e05\u9664\u5b9a\u65f6\u5668\n   clearInterval(timer);<\/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>\u4ee3\u7801\u4f18\u5316<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript \u4ee3\u7801\u7684\u6267\u884c\u6548\u7387\u5bf9\u6027\u80fd\u6709\u76f4\u63a5\u5f71\u54cd\uff0c\u4f18\u5316\u4ee3\u7801\u53ef\u4ee5\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\uff0c\u63d0\u5347\u5e94\u7528\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u51cf\u5c11 DOM \u64cd\u4f5c<\/strong><\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">DOM \u64cd\u4f5c\u901a\u5e38\u662f\u6027\u80fd\u74f6\u9888\uff0c\u5c24\u5176\u662f\u9891\u7e41\u4fee\u6539 DOM \u5143\u7d20\u65f6\u3002\u4ee5\u4e0b\u662f\u4f18\u5316 DOM \u64cd\u4f5c\u7684\u51e0\u4e2a\u6280\u5de7\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6279\u91cf\u64cd\u4f5c<\/strong>\uff1a\u907f\u514d\u5728\u5faa\u73af\u4e2d\u9891\u7e41\u64cd\u4f5c DOM\uff0c\u53ef\u4ee5\u4f7f\u7528\u6587\u6863\u7247\u6bb5\uff08<code>DocumentFragment<\/code>\uff09\u6216\u8005\u5728\u5185\u5b58\u4e2d\u64cd\u4f5c\u8282\u70b9\uff0c\u6700\u540e\u518d\u4e00\u6b21\u6027\u5c06\u5176\u6dfb\u52a0\u5230 DOM \u4e2d\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>   const fragment = document.createDocumentFragment();\n   for (let i = 0; i &lt; 1000; i++) {\n     const div = document.createElement(\"div\");\n     div.textContent = `Item ${i}`;\n     fragment.appendChild(div);\n   }\n   document.getElementById(\"container\").appendChild(fragment);<\/code><\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528 <code>innerHTML<\/code> \u548c <code>textContent<\/code><\/strong>\uff1a\u76f8\u8f83\u4e8e\u901a\u8fc7\u591a\u6b21 <code>appendChild()<\/code> \u64cd\u4f5c\uff0c\u4f7f\u7528 <code>innerHTML<\/code> \u6216 <code>textContent<\/code> \u53ef\u4ee5\u66f4\u5feb\u901f\u5730\u4fee\u6539\u5143\u7d20\u5185\u5bb9\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>   document.getElementById(\"container\").innerHTML = \"&lt;p&gt;New content&lt;\/p&gt;\";<\/code><\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u51cf\u5c11 DOM \u67e5\u8be2<\/strong>\uff1a\u9891\u7e41\u7684 DOM \u67e5\u8be2\u4f1a\u5bfc\u81f4\u6027\u80fd\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5728\u5927\u9875\u9762\u4e2d\u3002\u5e94\u5c3d\u91cf\u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\u3002<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>   const button = document.getElementById('myButton');  \/\/ \u7f13\u5b58\u67e5\u8be2\u7ed3\u679c\n   button.addEventListener('click', function() {\n     \/\/ \u4e8b\u4ef6\u5904\u7406\n   });<\/code><\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u865a\u62df DOM\uff08React \u7b49\u6846\u67b6\uff09<\/strong>\uff1a\u4f7f\u7528\u865a\u62df DOM \u53ef\u4ee5\u51cf\u5c11\u76f4\u63a5\u64cd\u4f5c DOM \u7684\u6b21\u6570\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u9875\u9762\u91cd\u6e32\u67d3\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">3. <strong>\u6027\u80fd\u5206\u6790\u4e0e\u8c03\u8bd5\u5de5\u5177\uff08Chrome DevTools\uff09<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Chrome DevTools \u662f\u4e00\u6b3e\u5f3a\u5927\u7684\u6027\u80fd\u5206\u6790\u548c\u8c03\u8bd5\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f60\u8bc6\u522b\u6027\u80fd\u74f6\u9888\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4f18\u5316\u5efa\u8bae\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Performance \u9762\u677f<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5206\u6790 CPU \u548c\u5185\u5b58\u4f7f\u7528<\/strong>\uff1aPerformance \u9762\u677f\u53ef\u4ee5\u8bb0\u5f55\u9875\u9762\u7684\u52a0\u8f7d\u8fc7\u7a0b\uff0c\u5206\u6790 CPU \u4f7f\u7528\u60c5\u51b5\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u4ece\u800c\u8bc6\u522b\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Memory \u9762\u677f<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u68c0\u67e5\u5185\u5b58\u6cc4\u6f0f<\/strong>\uff1aMemory \u9762\u677f\u63d0\u4f9b\u4e86\u5185\u5b58\u5feb\u7167\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u627e\u51fa\u53ef\u80fd\u7684\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Lighthouse<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6027\u80fd\u8bc4\u5206\u4e0e\u5efa\u8bae<\/strong>\uff1aLighthouse \u662f\u4e00\u4e2a\u81ea\u52a8\u5316\u5de5\u5177\uff0c\u53ef\u4ee5\u751f\u6210\u7f51\u9875\u6027\u80fd\u62a5\u544a\uff0c\u5e76\u7ed9\u51fa\u4f18\u5316\u5efa\u8bae\uff0c\u5305\u62ec\u6e32\u67d3\u65f6\u95f4\u3001\u54cd\u5e94\u65f6\u95f4\u3001\u8d44\u6e90\u52a0\u8f7d\u4f18\u5316\u7b49\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\">4. <strong>\u4f7f\u7528 Web Workers \u505a\u5e76\u884c\u8ba1\u7b97<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">JavaScript \u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u4efb\u52a1\u4f1a\u963b\u585e UI \u6e32\u67d3\uff0c\u5bfc\u81f4\u5e94\u7528\u65e0\u54cd\u5e94\u3002\u901a\u8fc7 Web Workers\uff0c\u53ef\u4ee5\u5c06\u7e41\u91cd\u7684\u8ba1\u7b97\u4efb\u52a1\u653e\u5728\u540e\u53f0\u7ebf\u7a0b\u4e2d\u6267\u884c\uff0c\u4ece\u800c\u63d0\u9ad8\u5e94\u7528\u7684\u54cd\u5e94\u901f\u5ea6\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u521b\u5efa Web Worker<\/strong><\/h5>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u4e3b\u7ebf\u7a0b\nconst worker = new Worker('worker.js');\nworker.postMessage('start');\n\nworker.onmessage = function(event) {\n  console.log('Worker response:', event.data);\n};\n\n\/\/ worker.js\nonmessage = function(event) {\n  if (event.data === 'start') {\n    let result = longRunningTask();\n    postMessage(result);\n  }\n};\n\nfunction longRunningTask() {\n  \/\/ \u6267\u884c\u7e41\u91cd\u8ba1\u7b97\n  return \"Task completed!\";\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Worker \u7279\u6027<\/strong>\uff1aWeb Workers \u4e0d\u80fd\u76f4\u63a5\u8bbf\u95ee DOM \u548c\u5176\u4ed6 Web API\uff0c\u53ea\u80fd\u901a\u8fc7 <code>postMessage()<\/code> \u4e0e\u4e3b\u7ebf\u7a0b\u8fdb\u884c\u6570\u636e\u4ea4\u6362\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\u672c\u7ae0\u8282\u7684\u5b66\u4e60\uff0c\u4f60\u5e94\u8be5\u5bf9 JavaScript \u6027\u80fd\u4f18\u5316\u7684\u5173\u952e\u9886\u57df\u6709\u4e86\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u3002\u5185\u5b58\u7ba1\u7406\u3001\u5783\u573e\u56de\u6536\u3001\u4ee3\u7801\u4f18\u5316\u3001\u6027\u80fd\u5206\u6790\u5de5\u5177\u7684\u4f7f\u7528\u4ee5\u53ca Web Workers \u7684\u5e76\u884c\u8ba1\u7b97\u5e94\u7528\uff0c\u90fd\u662f\u63d0\u5347 Web \u5e94\u7528\u6027\u80fd\u7684\u6709\u6548\u624b\u6bb5\u3002\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u6784\u5efa\u66f4\u9ad8\u6548\u3001\u54cd\u5e94\u66f4\u5feb\u7684 Web \u5e94\u7528\uff0c\u4ece\u800c\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u548c\u5e94\u7528\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript \u6027\u80fd\u4f18\u5316\u662f\u63d0\u9ad8 Web \u5e94\u7528\u54cd\u5e94\u901f\u5ea6\u548c\u7528\u6237\u4f53\u9a8c\u7684\u91cd\u8981\u624b\u6bb5\u3002\u968f\u7740\u5e94\u7528\u7684\u89c4\u6a21\u4e0d\u65ad\u6269\u5927\uff0c\u6027\u80fd\u4f18 [&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-1406","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1406","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=1406"}],"version-history":[{"count":2,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1406\/revisions"}],"predecessor-version":[{"id":1420,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/1406\/revisions\/1420"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=1406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=1406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=1406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}