{"id":165713,"date":"2024-05-08T15:21:45","date_gmt":"2024-05-08T07:21:45","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/165713.html"},"modified":"2024-05-08T15:21:49","modified_gmt":"2024-05-08T07:21:49","slug":"javascript%e9%87%8d%e7%82%b9%e6%8e%8c%e6%8f%a1%e5%93%aa%e4%ba%9b%e7%9f%a5%e8%af%86%ef%bc%8c%e6%9c%89%e6%b2%a1%e6%9c%89%e7%9b%b8%e5%85%b3%e7%9a%84%e6%80%9d%e7%bb%b4%e5%af%bc%e5%9b%be","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/165713.html","title":{"rendered":"JavaScript\u91cd\u70b9\u638c\u63e1\u54ea\u4e9b\u77e5\u8bc6\uff0c\u6709\u6ca1\u6709\u76f8\u5173\u7684\u601d\u7ef4\u5bfc\u56fe"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26232723\/6b3fbb7d-d8f8-4b48-a6b0-325b109e6377.webp\" alt=\"JavaScript\u91cd\u70b9\u638c\u63e1\u54ea\u4e9b\u77e5\u8bc6\uff0c\u6709\u6ca1\u6709\u76f8\u5173\u7684\u601d\u7ef4\u5bfc\u56fe\" \/><\/p>\n<p><p>JavaScript\u4f5c\u4e3a\u6784\u5efa\u73b0\u4ee3\u7f51\u9875\u548c\u5e94\u7528\u7a0b\u5e8f\u7684\u5173\u952e\u8bed\u8a00\uff0c\u91cd\u70b9\u9700\u8981\u638c\u63e1<strong>\u6570\u636e\u7c7b\u578b\u3001\u63a7\u5236\u7ed3\u6784\u3001\u51fd\u6570\u3001\u5bf9\u8c61\u548c\u539f\u578b\u3001DOM\u64cd\u4f5c\u3001\u4e8b\u4ef6\u5904\u7406\u3001\u5f02\u6b65\u7f16\u7a0b\u3001\u4ee5\u53caES6+\u65b0\u7279\u6027<\/strong>\u3002\u7279\u522b\u662f<strong>\u5f02\u6b65\u7f16\u7a0b<\/strong>\uff0c\u968f\u7740JavaScript\u7684\u5e94\u7528\u8d8a\u6765\u8d8a\u5e7f\uff0c\u4f8b\u5982Node.js\u7684\u51fa\u73b0\uff0c\u5bf9\u5f02\u6b65\u7f16\u7a0b\u7684\u7406\u89e3\u548c\u638c\u63e1\u5c24\u4e3a\u91cd\u8981\u3002\u5728\u5199\u4ee3\u7801\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f7f\u7528Promise\u548casync\/aw<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>t\u80fd\u591f\u6709\u6548\u5730\u5904\u7406\u5f02\u6b65\u903b\u8f91\uff0c\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n<p><p>\u5f02\u6b65\u7f16\u7a0b\u5141\u8bb8\u7a0b\u5e8f\u6267\u884c\u8fc7\u7a0b\u4e2d\u8df3\u8fc7\u8017\u65f6\u7684\u64cd\u4f5c\uff0c\u7b49\u5230\u7ed3\u679c\u51c6\u5907\u597d\u4e86\u518d\u56de\u6765\u5904\u7406\u8fd9\u4e2a\u64cd\u4f5c\u7684\u7ed3\u679c\uff0c\u800c\u4e0d\u662f\u65e0\u8c13\u5730\u7b49\u5f85\u3002\u8fd9\u5bf9\u4e8eJavaScript\u4e2d\u65f6\u5e38\u8fdb\u884c\u7684\u8bf8\u5982\u7f51\u7edc\u8bf7\u6c42\u3001\u6587\u4ef6\u64cd\u4f5c\u7b49\u8017\u65f6\u4efb\u52a1\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8JavaScript\u5728\u5355\u7ebf\u7a0b\u73af\u5883\u4e2d\u9ad8\u6548\u5730\u6267\u884c\u64cd\u4f5c\u3002\u5bf9\u5f02\u6b65\u7f16\u7a0b\u7684\u7406\u89e3\u8981\u6c42\u5f00\u53d1\u8005\u80fd\u591f\u719f\u7ec3\u4f7f\u7528\u56de\u8c03\u51fd\u6570\u3001\u7406\u89e3\u5e76\u5e94\u7528Promise\u5bf9\u8c61\uff0c\u4ee5\u53ca\u638c\u63e1async\/await\u8bed\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u5728\u5b66\u4e60\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f7f\u7528\u601d\u7ef4\u5bfc\u56fe\u80fd\u6709\u6548\u6574\u5408\u548c\u56de\u987e\u6240\u5b66\u77e5\u8bc6\u3002\u867d\u7136\u672c\u6587\u6ca1\u6709\u5177\u4f53\u7684\u601d\u7ef4\u5bfc\u56fe\uff0c\u4f46\u5728\u6700\u540e\u4f1a\u63d0\u4f9b\u5982\u4f55\u81ea\u884c\u6784\u5efa\u4e00\u4e2aJavaScript\u77e5\u8bc6\u7684\u601d\u7ef4\u5bfc\u56fe\u7684\u6307\u5bfc\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u6570\u636e\u7c7b\u578b\u4e0e\u53d8\u91cf<\/h3>\n<\/p>\n<p><p>JavaScript\u7684\u57fa\u7840\u6784\u6210\u5305\u62ec\u4e86\u5982\u6570\u503c\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u7b49\u7b80\u5355\u7684\u6570\u636e\u7c7b\u578b\uff0c\u4ee5\u53ca\u590d\u6742\u7684\u5bf9\u8c61\u7c7b\u578b\u3002\u4e86\u89e3\u6bcf\u79cd\u6570\u636e\u7c7b\u578b\u7684\u7279\u70b9\u53ca\u5176\u64cd\u4f5c\u5bf9\u7406\u89e3\u8bed\u8a00\u7684\u6027\u8d28\u5341\u5206\u91cd\u8981\u3002<\/p>\n<\/p>\n<p><h4>\u539f\u59cb\u6570\u636e\u7c7b\u578b<\/h4>\n<\/p>\n<ul>\n<li>\u6570\u5b57\uff08Number\uff09\uff1aJavaScript\u4e2d\u7528\u4e8e\u8868\u793a\u6574\u6570\u548c\u6d6e\u70b9\u6570\u3002<\/li>\n<li>\u5b57\u7b26\u4e32\uff08String\uff09\uff1a\u7528\u4e8e\u8868\u793a\u6587\u672c\u6570\u636e\u3002<\/li>\n<li>\u5e03\u5c14\u503c\uff08Boolean\uff09\uff1a\u8868\u793a\u903b\u8f91\u771f\u6216\u5047\u3002<\/li>\n<li>\u7a7a\uff08null\uff09\uff1a\u8868\u793a\u4e00\u4e2a\u7a7a\u503c\u3002<\/li>\n<li>\u672a\u5b9a\u4e49\uff08undefined\uff09\uff1a\u8868\u793a\u53d8\u91cf\u672a\u88ab\u521d\u59cb\u5316\u3002<\/li>\n<li>Symbol\uff1aES6\u5f15\u5165\u7684\u4e00\u79cd\u65b0\u7684\u6570\u636e\u7c7b\u578b\uff0c\u8868\u793a\u552f\u4e00\u7684\u6807\u8bc6\u7b26\u3002<\/li>\n<\/ul>\n<p><h4>\u590d\u6742\u6570\u636e\u7c7b\u578b<\/h4>\n<\/p>\n<ul>\n<li>\u5bf9\u8c61\uff08Object\uff09\uff1aJavaScript\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u51e0\u4e4e\u6240\u6709\u7684\u5b9e\u4f53\u90fd\u662f\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p><h3>\u4e8c\u3001\u63a7\u5236\u7ed3\u6784<\/h3>\n<\/p>\n<p><p>\u63a7\u5236\u7ed3\u6784\u63a7\u5236\u7740\u4ee3\u7801\u7684\u6d41\u7a0b\uff0c\u6709\u6548\u5730\u4f7f\u7528\u63a7\u5236\u7ed3\u6784\u80fd\u591f\u4f7f\u5f97\u4ee3\u7801\u903b\u8f91\u6e05\u6670\u6613\u61c2\u3002<\/p>\n<\/p>\n<p><h4>\u6761\u4ef6\u8bed\u53e5<\/h4>\n<\/p>\n<ul>\n<li>if&#8230;else\uff1a\u57fa\u672c\u7684\u6761\u4ef6\u5224\u65ad\u7ed3\u6784\u3002<\/li>\n<li>switch\uff1a\u7528\u4e8e\u68c0\u67e5\u591a\u4e2a\u6761\u4ef6\u65f6\u6bd4\u8f83\u4fbf\u6377\u3002<\/li>\n<\/ul>\n<p><h4>\u5faa\u73af\u8bed\u53e5<\/h4>\n<\/p>\n<ul>\n<li>for\uff1a\u6807\u51c6\u7684\u5faa\u73af\u7ed3\u6784\uff0c\u9002\u7528\u4e8e\u5df2\u77e5\u5faa\u73af\u6b21\u6570\u7684\u573a\u5408\u3002<\/li>\n<li>while\u548cdo&#8230;while\uff1a\u5728\u672a\u77e5\u5faa\u73af\u6b21\u6570\u65f6\u4f7f\u7528\u3002<\/li>\n<li>for&#8230;in\u548cfor&#8230;of\uff1aES6\u65b0\u589e\u5faa\u73af\u8bed\u6cd5\uff0c\u7528\u4e8e\u904d\u5386\u5bf9\u8c61\u548c\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p><h3>\u4e09\u3001\u51fd\u6570<\/h3>\n<\/p>\n<p><p>\u51fd\u6570\u662fJavaScript\u4ee3\u7801\u7684\u7ec4\u7ec7\u5355\u5143\uff0c\u901a\u8fc7\u51fd\u6570\u53ef\u4ee5\u5c01\u88c5\u4ee3\u7801\u4ee5\u590d\u7528\u3002<\/p>\n<\/p>\n<p><h4>\u51fd\u6570\u58f0\u660e\u548c\u8868\u8fbe\u5f0f<\/h4>\n<\/p>\n<ul>\n<li>\u51fd\u6570\u58f0\u660e\uff1a\u901a\u8fc7<code>function<\/code>\u5173\u952e\u5b57\u5b9a\u4e49\u51fd\u6570\u3002<\/li>\n<li>\u51fd\u6570\u8868\u8fbe\u5f0f\uff1a\u5c06\u51fd\u6570\u8d4b\u503c\u7ed9\u53d8\u91cf\uff0c\u5e38\u7528\u4e8e\u533f\u540d\u51fd\u6570\u3002<\/li>\n<\/ul>\n<p><h4>\u7bad\u5934\u51fd\u6570<\/h4>\n<\/p>\n<ul>\n<li>ES6\u5f15\u5165\u4e86\u7bad\u5934\u51fd\u6570\uff08<code>=&gt;<\/code>\uff09\uff0c\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u5f0f\u5b9a\u4e49\u51fd\u6570\uff0c\u5e76\u4e14\u7bad\u5934\u51fd\u6570\u4e0d\u7ed1\u5b9a\u81ea\u5df1\u7684<code>this<\/code>\uff0c\u800c\u662f\u6355\u83b7\u5176\u6240\u5728\u4e0a\u4e0b\u6587\u7684<code>this<\/code>\u503c\u3002<\/li>\n<\/ul>\n<p><h4>\u9ad8\u9636\u51fd\u6570<\/h4>\n<\/p>\n<ul>\n<li>\u51fd\u6570\u53ef\u4ee5\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u51fd\u6570\uff0c\u4e5f\u53ef\u4ee5\u4f5c\u4e3a\u5176\u4ed6\u51fd\u6570\u7684\u8fd4\u56de\u7ed3\u679c\u3002<\/li>\n<\/ul>\n<p><h3>\u56db\u3001\u5bf9\u8c61\u548c\u539f\u578b<\/h3>\n<\/p>\n<p><p>\u5728JavaScript\u4e2d\uff0c\u5bf9\u8c61\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<\/p>\n<p><h4>\u5bf9\u8c61\u7684\u521b\u5efa\u548c\u539f\u578b\u94fe<\/h4>\n<\/p>\n<ul>\n<li>\u5b57\u9762\u91cf\u65b9\u5f0f\u521b\u5efa\u5bf9\u8c61\u3002<\/li>\n<li>\u4f7f\u7528\u6784\u9020\u51fd\u6570\u53ca<code>new<\/code>\u5173\u952e\u5b57\u521b\u5efa\u5bf9\u8c61\u5b9e\u4f8b\u3002<\/li>\n<li>\u539f\u578b\u94fe\uff1a\u5bf9\u8c61\u53ef\u7ee7\u627f\u5176\u6784\u9020\u51fd\u6570\u539f\u578b\u4e0a\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<p><h4>\u5bf9\u8c61\u7684\u7ee7\u627f\u548c\u6269\u5c55<\/h4>\n<\/p>\n<ul>\n<li>\u7ec4\u5408\u7ee7\u627f\u3001\u539f\u578b\u7ee7\u627f\u3001\u5bc4\u751f\u7ec4\u5408\u7ee7\u627f\u7b49\u7ee7\u627f\u65b9\u5f0f\u3002<\/li>\n<li>\u4f7f\u7528<code>Object.create<\/code>\u3001<code>Object.assign<\/code>\u7b49\u65b9\u6cd5\u64cd\u4f5c\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p><h3>\u4e94\u3001DOM\u64cd\u4f5c<\/h3>\n<\/p>\n<p><p>DOM\uff08Document Object Model\uff09\u662f\u5bf9HTML\u548cXML\u6587\u6863\u7684\u7f16\u7a0b\u63a5\u53e3\u3002<\/p>\n<\/p>\n<p><h4>\u9875\u9762\u5143\u7d20\u7684\u9009\u62e9\u548c\u64cd\u4f5c<\/h4>\n<\/p>\n<ul>\n<li>\u4f7f\u7528<code>getElementById<\/code>\u3001<code>getElementsByClassName<\/code>\u7b49\u65b9\u6cd5\u9009\u62e9\u9875\u9762\u5143\u7d20\u3002<\/li>\n<li>\u5229\u7528<code>innerHTML<\/code>\u3001<code>textContent<\/code>\u5c5e\u6027\u4ee5\u53ca<code>setAttribute<\/code>\u65b9\u6cd5\u6765\u64cd\u4f5c\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><h4>\u4e8b\u4ef6\u5904\u7406<\/h4>\n<\/p>\n<ul>\n<li>\u4e8b\u4ef6\u76d1\u542c\uff08<code>addEventListener<\/code>\uff09\uff1a\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002<\/li>\n<li>\u4e8b\u4ef6\u59d4\u6258\uff1a\u901a\u8fc7\u4e8b\u4ef6\u5192\u6ce1\u539f\u7406\u5728\u7236\u7ea7\u5143\u7d20\u4e0a\u8bbe\u7f6e\u4e8b\u4ef6\u76d1\u542c\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u4f18\u5316\u4e8b\u4ef6\u5904\u7406\u3002<\/li>\n<\/ul>\n<p><h3>\u516d\u3001\u4e8b\u4ef6\u5904\u7406<\/h3>\n<\/p>\n<p><p>\u80fd\u591f\u54cd\u5e94\u7528\u6237\u4ea4\u4e92\u662fJavaScript\u6700\u91cd\u8981\u7684\u80fd\u529b\u4e4b\u4e00\u3002<\/p>\n<\/p>\n<p><h4>\u4e8b\u4ef6\u7ed1\u5b9a<\/h4>\n<\/p>\n<p><p>\u7ed1\u5b9a\u4e8b\u4ef6\u5230DOM\u5143\u7d20\u4e0a\uff0c\u901a\u8fc7\u4e8b\u4ef6\u76d1\u542c\u7684\u65b9\u5f0f\u54cd\u5e94\u7528\u6237\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><h4>\u4e8b\u4ef6\u6d41<\/h4>\n<\/p>\n<p><p>\u7406\u89e3\u4e8b\u4ef6\u5192\u6ce1\u548c\u4e8b\u4ef6\u6355\u83b7\u7684\u6982\u5ff5\uff0c\u4ee5\u53ca\u5982\u4f55\u5229\u7528\u5b83\u4eec\u8fdb\u884c\u9ad8\u6548\u7684\u4e8b\u4ef6\u5904\u7406\u3002<\/p>\n<\/p>\n<p><h3>\u4e03\u3001\u5f02\u6b65\u7f16\u7a0b<\/h3>\n<\/p>\n<p><p>\u5f02\u6b65\u7f16\u7a0b\u662fJavaScript\u975e\u963b\u585e\u7279\u6027\u7684\u4f53\u73b0\u3002<\/p>\n<\/p>\n<p><h4>\u56de\u8c03\u51fd\u6570<\/h4>\n<\/p>\n<ul>\n<li>\u4f20\u7edf\u7684\u5f02\u6b65\u7f16\u7a0b\u6a21\u5f0f\uff0c\u4f46\u5bb9\u6613\u5bfc\u81f4\u56de\u8c03\u5730\u72f1\uff0c\u4ee3\u7801\u96be\u4ee5\u9605\u8bfb\u548c\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n<p><h4>Promise<\/h4>\n<\/p>\n<ul>\n<li>\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u5f02\u6b65\u7f16\u7a0b\u89e3\u51b3\u65b9\u6848\uff0c\u80fd\u591f\u907f\u514d\u56de\u8c03\u5730\u72f1\uff0c\u4f7f\u5f97\u5f02\u6b65\u4ee3\u7801\u6613\u4e8e\u7ec4\u7ec7\u548c\u9605\u8bfb\u3002<\/li>\n<\/ul>\n<p><h4>async\/await<\/h4>\n<\/p>\n<ul>\n<li>ES7\u5f15\u5165\u7684\u8bed\u6cd5\u7cd6\uff0c\u4f7f\u5f97\u5f02\u6b65\u4ee3\u7801\u770b\u8d77\u6765\u50cf\u540c\u6b65\u4ee3\u7801\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ul>\n<p><h3>\u516b\u3001ES6+\u65b0\u7279\u6027<\/h3>\n<\/p>\n<p><p>\u65b0\u7248\u672c\u7684JavaScript\uff08\u5373ECMAScript 6\u53ca\u5176\u4e4b\u540e\u7684\u7248\u672c\uff09\u5e26\u6765\u4e86\u4f17\u591a\u65b0\u7279\u6027\u3002<\/p>\n<\/p>\n<p><h4>\u53d8\u91cf\u58f0\u660e<\/h4>\n<\/p>\n<ul>\n<li>\u4f7f\u7528<code>let<\/code>\u548c<code>const<\/code>\u8fdb\u884c\u5757\u7ea7\u4f5c\u7528\u57df\u7684\u53d8\u91cf\u58f0\u660e\u3002<\/li>\n<\/ul>\n<p><h4>\u65b0\u7684\u6570\u636e\u7ed3\u6784<\/h4>\n<\/p>\n<ul>\n<li>\u5982<code>Map<\/code>\u3001<code>Set<\/code>\u7b49\u3002<\/li>\n<\/ul>\n<p><h4>\u6a21\u5757\u5316<\/h4>\n<\/p>\n<ul>\n<li>\u4f7f\u7528<code>import<\/code>\u548c<code>export<\/code>\u8fdb\u884c\u6a21\u5757\u5316\u7684\u4ee3\u7801\u7ec4\u7ec7\u3002<\/li>\n<\/ul>\n<p><h4>\u5176\u4ed6\u65b0\u7279\u6027<\/h4>\n<\/p>\n<ul>\n<li>\u5982\u6a21\u677f\u5b57\u7b26\u4e32\u3001\u89e3\u6784\u8d4b\u503c\u3001\u6269\u5c55\u8fd0\u7b97\u7b26\u7b49\u3002<\/li>\n<\/ul>\n<p><h3>\u601d\u7ef4\u5bfc\u56fe\u5236\u4f5c\u6307\u5357<\/h3>\n<\/p>\n<p><p>\u5728\u5b66\u4e60\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u4ee5\u81ea\u884c\u521b\u5efa\u601d\u7ef4\u5bfc\u56fe\uff0c\u5e2e\u52a9\u6574\u7406\u5173\u952e\u6982\u5ff5\u3002\u521b\u5efa\u601d\u7ef4\u5bfc\u56fe\u65f6\uff0c\u53ef\u4ee5\u4eceJavaScript\u7684\u6838\u5fc3\u6982\u5ff5\u5f00\u59cb\uff0c\u6bd4\u5982\u6570\u636e\u7c7b\u578b\u3001\u63a7\u5236\u7ed3\u6784\u7b49\uff0c\u5c06\u5b83\u4eec\u4f5c\u4e3a\u4e3b\u8981\u8282\u70b9\uff0c\u518d\u5c06\u76f8\u5173\u7684\u5177\u4f53\u77e5\u8bc6\u70b9\u4f5c\u4e3a\u5b50\u8282\u70b9\u8fdb\u884c\u6269\u5c55\u3002\u8fd9\u6837\u7684\u601d\u7ef4\u5bfc\u56fe\u53ef\u4ee5\u8f85\u52a9\u4f60\u5728\u5b66\u4e60\u8fc7\u7a0b\u4e2d\u5f62\u6210\u66f4\u6e05\u6670\u7684\u77e5\u8bc6\u67b6\u6784\u3002<\/p>\n<\/p>\n<p><p>\u4ee5\u4e0a\u662f\u5b66\u4e60JavaScript\u7684\u91cd\u70b9\u77e5\u8bc6\u548c\u6982\u5ff5\u3002\u901a\u6653\u8fd9\u4e9b\u57fa\u7840\u4e14\u5173\u952e\u7684\u6982\u5ff5\uff0c\u662f\u6210\u4e3a\u4e00\u540d\u5408\u683c\u524d\u7aef\u5f00\u53d1\u8005\u7684\u91cd\u8981\u6b65\u9aa4\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. JavaScript\u91cd\u70b9\u638c\u63e1\u7684\u77e5\u8bc6\u6709\u54ea\u4e9b\uff1f<\/strong><\/p>\n<p>JavaScript\u662f\u4e00\u79cd\u975e\u5e38\u5f3a\u5927\u4e14\u5e7f\u6cdb\u4f7f\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u638c\u63e1\u4ee5\u4e0b\u51e0\u4e2a\u91cd\u70b9\u77e5\u8bc6\u5bf9\u4e8e\u6210\u4e3a\u4e00\u540d\u4f18\u79c0\u7684JavaScript\u5f00\u53d1\u8005\u81f3\u5173\u91cd\u8981\uff1a<\/p>\n<ul>\n<li>\u53d8\u91cf\u548c\u6570\u636e\u7c7b\u578b\uff1a\u4e86\u89e3JavaScript\u7684\u57fa\u672c\u6570\u636e\u7c7b\u578b\uff08\u5982\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u7b49\uff09\u4ee5\u53ca\u5982\u4f55\u58f0\u660e\u548c\u4f7f\u7528\u53d8\u91cf\u3002<\/li>\n<li>\u63a7\u5236\u6d41\u7a0b\uff1a\u719f\u6089JavaScript\u4e2d\u7684\u6761\u4ef6\u8bed\u53e5\uff08\u5982if-else\u8bed\u53e5\u548cswitch\u8bed\u53e5\uff09\u548c\u5faa\u73af\u8bed\u53e5\uff08\u5982for\u5faa\u73af\u548cwhile\u5faa\u73af\uff09\u3002<\/li>\n<li>\u51fd\u6570\uff1a\u638c\u63e1\u5982\u4f55\u58f0\u660e\u548c\u8c03\u7528\u51fd\u6570\uff0c\u4ee5\u53ca\u51fd\u6570\u7684\u53c2\u6570\u548c\u8fd4\u56de\u503c\u3002<\/li>\n<li>\u5bf9\u8c61\u548c\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\uff1a\u7406\u89e3JavaScript\u4e2d\u7684\u5bf9\u8c61\u3001\u539f\u578b\u548c\u7ee7\u627f\uff0c\u719f\u6089\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u6982\u5ff5\u548c\u65b9\u6cd5\u3002<\/li>\n<li>\u6570\u7ec4\u548c\u5b57\u7b26\u4e32\u64cd\u4f5c\uff1a\u638c\u63e1JavaScript\u4e2d\u5bf9\u6570\u7ec4\u548c\u5b57\u7b26\u4e32\u7684\u5e38\u89c1\u64cd\u4f5c\uff0c\u5982\u7d22\u5f15\u3001\u5207\u7247\u3001\u8fde\u63a5\u7b49\u3002<\/li>\n<li>DOM\u64cd\u4f5c\uff1a\u4e86\u89e3\u5982\u4f55\u4f7f\u7528JavaScript\u6765\u64cd\u7eb5HTML\u6587\u6863\u4e2d\u7684\u5143\u7d20\uff0c\u5982\u8bbf\u95ee\u548c\u4fee\u6539\u5143\u7d20\u7684\u5c5e\u6027\u3001\u6837\u5f0f\uff0c\u4ee5\u53ca\u6dfb\u52a0\u548c\u5220\u9664\u5143\u7d20\u7b49\u3002<\/li>\n<li>\u4e8b\u4ef6\u5904\u7406\uff1a\u719f\u6089JavaScript\u4e2d\u7684\u4e8b\u4ef6\u6a21\u578b\uff0c\u5982\u5982\u4f55\u6ce8\u518c\u548c\u5904\u7406\u4e8b\u4ef6\uff0c\u5e76\u7406\u89e3\u4e8b\u4ef6\u5192\u6ce1\u548c\u6355\u83b7\u7684\u6982\u5ff5\u3002<\/li>\n<li>\u5f02\u6b65\u7f16\u7a0b\uff1a\u638c\u63e1JavaScript\u4e2d\u7684\u5f02\u6b65\u7f16\u7a0b\u65b9\u6cd5\uff0c\u5982\u56de\u8c03\u51fd\u6570\u3001Promise\u548c\u5f02\u6b65\/\u7b49\u5f85\u3002<\/li>\n<\/ul>\n<p><strong>2. \u6709\u6ca1\u6709\u5173\u4e8eJavaScript\u77e5\u8bc6\u7684\u601d\u7ef4\u5bfc\u56fe\uff1f<\/strong><\/p>\n<p>\u5f53\u7136\uff01\u601d\u7ef4\u5bfc\u56fe\u662f\u4e00\u79cd\u5f88\u597d\u7684\u53ef\u89c6\u5316\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u6574\u7406\u548c\u7406\u89e3JavaScript\u7684\u5404\u4e2a\u77e5\u8bc6\u70b9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684JavaScript\u601d\u7ef4\u5bfc\u56fe\uff1a<\/p>\n<ul>\n<li>JavaScript\u57fa\u7840\u77e5\u8bc6\u601d\u7ef4\u5bfc\u56fe\uff1a\u5305\u62ec\u53d8\u91cf\u3001\u6570\u636e\u7c7b\u578b\u3001\u64cd\u4f5c\u7b26\u3001\u6d41\u7a0b\u63a7\u5236\u7b49\u57fa\u7840\u77e5\u8bc6\u3002<\/li>\n<li>JavaScript\u51fd\u6570\u601d\u7ef4\u5bfc\u56fe\uff1a\u8be6\u7ec6\u5c55\u793a\u51fd\u6570\u7684\u5b9a\u4e49\u3001\u8c03\u7528\u3001\u53c2\u6570\u4f20\u9012\u3001\u4f5c\u7528\u57df\u7b49\u5185\u5bb9\u3002<\/li>\n<li>JavaScript\u9762\u5411\u5bf9\u8c61\u601d\u7ef4\u5bfc\u56fe\uff1a\u5c55\u793aJavaScript\u4e2d\u7684\u5bf9\u8c61\u3001\u539f\u578b\u94fe\u3001\u7ee7\u627f\u7b49\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u76f8\u5173\u77e5\u8bc6\u3002<\/li>\n<li>JavaScript 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