{"id":167164,"date":"2024-05-08T15:57:11","date_gmt":"2024-05-08T07:57:11","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/167164.html"},"modified":"2024-05-08T15:57:14","modified_gmt":"2024-05-08T07:57:14","slug":"javascript%e5%a5%bd%e7%94%a8%e5%90%97","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/167164.html","title":{"rendered":"javascript\u597d\u7528\u5417"},"content":{"rendered":"

\"javascript\u597d\u7528\u5417\"<\/p>\n

JavaScript\u662f\u4e00\u79cd\u6781\u4e3a\u5f3a\u5927\u548c\u7075\u6d3b<\/strong>\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u7f51\u9875\u5f00\u53d1\u3001\u670d\u52a1\u5668\u7aef\u5f00\u53d1\uff08Node.js\uff09\u3001\u6e38\u620f\u5f00\u53d1<\/strong>\u7b49\u591a\u4e2a\u9886\u57df\u3002\u5176\u72ec\u7279\u4e4b\u5904\u5728\u4e8e\u5176\u8de8\u5e73\u53f0\u80fd\u529b\u3001\u9ad8\u6548\u7684\u4e8b\u4ef6\u5904\u7406\u673a\u5236\u3001\u4e30\u5bcc\u7684\u6846\u67b6\u548c\u5e93\u8d44\u6e90<\/strong>\uff0c\u4ee5\u53ca\u5bf9\u5f02\u6b65\u7f16\u7a0b<\/strong>\u7684\u5f3a\u5927\u652f\u6301\uff0c\u8ba9\u5b83\u6210\u4e3a\u5f00\u53d1\u73b0\u4ee3\u7f51\u7edc\u5e94\u7528\u7684\u4e0d\u4e8c\u4e4b\u9009\u3002\u7279\u522b\u662f\u5b83\u7684\u5f02\u6b65\u7f16\u7a0b\u6a21\u578b<\/strong>\uff0c\u901a\u8fc7\u4e8b\u4ef6\u5faa\u73af\u548cPromise\u3001Async\/AwAI<\/a>t\u7b49\u673a\u5236\uff0c\u4e3a\u5904\u7406\u9ad8\u5e76\u53d1\u3001I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u63d0\u4f9b\u4e86\u6781\u4e3a\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u8fd9\u4e00\u70b9\u5728\u73b0\u4ee3Web\u5f00\u53d1\u4e2d\u5177\u6709\u51b3\u5b9a\u6027\u7684\u4f5c\u7528\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u8de8\u5e73\u53f0\u7684\u7075\u6d3b\u6027<\/h3>\n<\/p>\n

JavaScript\u6700\u521d\u88ab\u8bbe\u8ba1\u4e3a\u4e00\u79cd\u53ef\u4ee5\u5728\u6d4f\u89c8\u5668\u4e2d\u8fd0\u884c\u7684\u811a\u672c\u8bed\u8a00\uff0c\u4f46\u968f\u7740\u6280\u672f\u7684\u53d1\u5c55\uff0c\u5b83\u73b0\u5728\u51e0\u4e4e\u53ef\u4ee5\u5728\u4efb\u4f55\u5e73\u53f0\u4e0a\u8fd0\u884c\u3002\u8fd9\u5f97\u76ca\u4e8eNode.js\u73af\u5883\u7684\u51fa\u73b0\uff0c\u5b83\u4f7f\u5f97JavaScript\u80fd\u591f\u8fd0\u884c\u5728\u670d\u52a1\u5668\u7aef\uff0c\u8fdb\u800c\u5f00\u53d1\u51fa\u540e\u7aef\u5e94\u7528\u3001\u684c\u9762\u5e94\u7528\u3001\u751a\u81f3\u662f\u7269\u8054\u7f51\u8bbe\u5907\u7684\u5e94\u7528\u3002\u8fd9\u79cd\u8de8\u5e73\u53f0\u7684\u7075\u6d3b\u6027\u610f\u5473\u7740\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u4f7f\u7528\u540c\u4e00\u79cd\u8bed\u8a00\u6765\u7f16\u5199\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u7aef\u7684\u4ee3\u7801\uff0c\u6781\u5927\u5730\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u548c\u5b66\u4e60\u7684\u8fde\u8d2f\u6027\u3002 <\/p>\n<\/p>\n

JavaScript\u7684\u8de8\u5e73\u53f0\u7279\u6027\u4e0d\u4ec5\u9650\u4e8eNode.js\uff0c\u8fd8\u6709\u5982React Native\u7b49\u6846\u67b6\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u4f7f\u7528JavaScript\u6765\u5f00\u53d1\u539f\u751f\u79fb\u52a8\u5e94\u7528\uff0c\u4f7f\u5f97JavaScript\u7684\u5e94\u7528\u8303\u56f4\u66f4\u52a0\u5e7f\u6cdb\u3002\u8fd9\u4e9b\u6846\u67b6\u548c\u5de5\u5177\u7684\u4e0d\u65ad\u5b8c\u5584\u548c\u63a8\u5e7f\uff0c\u6709\u6548\u5730\u6253\u7834\u4e86\u4f20\u7edf\u4e0a\u5bf9\u4e0d\u540c\u5e73\u53f0\u4f7f\u7528\u4e0d\u540c\u8bed\u8a00\u7684\u9650\u5236\uff0c\u4fc3\u8fdb\u4e86\u6280\u672f\u7684\u7edf\u4e00\u548c\u8fdb\u6b65\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u9ad8\u6548\u7684\u4e8b\u4ef6\u5904\u7406\u673a\u5236<\/h3>\n<\/p>\n

JavaScript\u7684\u4e8b\u4ef6\u5904\u7406\u6a21\u578b\u662f\u57fa\u4e8e"\u4e8b\u4ef6\u5faa\u73af"\u7684\u6982\u5ff5\u8bbe\u8ba1\u7684\uff0c\u5b83\u80fd\u591f\u9ad8\u6548\u5730\u5904\u7406\u5f02\u6b65\u4e8b\u4ef6\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u6784\u5efa\u51fa\u54cd\u5e94\u8fc5\u901f\u7684\u7528\u6237\u754c\u9762\u548c\u670d\u52a1\u5668\u5e94\u7528\u3002\u8fd9\u79cd\u673a\u5236\u5141\u8bb8JavaScript\u4ee3\u7801\u5728\u7b49\u5f85\u5f02\u6b65\u64cd\u4f5c\uff08\u5982\u7f51\u7edc\u8bf7\u6c42\u6216\u6587\u4ef6\u8bfb\u53d6\uff09\u5b8c\u6210\u65f6\uff0c\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u4efb\u52a1\uff0c\u800c\u4e0d\u662f\u505c\u6ede\u4e0d\u524d\u3002\u8fd9\u5728\u5904\u7406\u9ad8\u5e76\u53d1\u573a\u666f\u65f6\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u5176\u4e2d\uff0cPromise\u548cAsync\/Await\u7b49\u65b0\u7684\u8bed\u8a00\u7279\u6027\uff0c\u8fdb\u4e00\u6b65\u7b80\u5316\u4e86\u5f02\u6b65\u4ee3\u7801\u7684\u7f16\u5199\u3002\u901a\u8fc7\u8fd9\u4e9b\u7279\u6027\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4ee5\u66f4\u63a5\u8fd1\u540c\u6b65\u4ee3\u7801\u7684\u65b9\u5f0f\u6765\u7f16\u5199\u5f02\u6b65\u903b\u8f91\uff0c\u4f7f\u5f97\u4ee3\u7801\u65e2\u5bb9\u6613\u7406\u89e3\u53c8\u5bb9\u6613\u7ef4\u62a4\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u4e30\u5bcc\u7684\u6846\u67b6\u548c\u5e93\u8d44\u6e90<\/h3>\n<\/p>\n

JavaScript\u7684\u751f\u6001\u7cfb\u7edf\u4e2d\u62e5\u6709\u5927\u91cf\u7684\u6846\u67b6\u548c\u5e93\uff0c\u8fd9\u4e9b\u8d44\u6e90\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u5de5\u5177\u6765\u5feb\u901f\u5f00\u53d1\u5e94\u7528\u3002\u4f8b\u5982\uff0cReact\u3001Vue\u3001Angular\u7b49\u73b0\u4ee3\u524d\u7aef\u6846\u67b6\uff0c\u4f7f\u5f97\u6784\u5efa\u4ea4\u4e92\u5f0f\u7684Web\u7528\u6237\u754c\u9762\u53d8\u5f97\u5341\u5206\u9ad8\u6548\u4e14\u5177\u6709\u53ef\u7ef4\u62a4\u6027\u3002\u6b64\u5916\uff0c\u5982Express\u3001Koa\u7b49Node.js\u6846\u67b6\uff0c\u4e3a\u670d\u52a1\u5668\u7aef\u5f00\u53d1\u63d0\u4f9b\u4e86\u7b80\u6d01\u800c\u5f3a\u5927\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/p>\n

\u8fd9\u4e9b\u6846\u67b6\u548c\u5e93\u7684\u5e7f\u6cdb\u4f7f\u7528\u548c\u6301\u7eed\u53d1\u5c55\uff0c\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u5f00\u53d1\u6548\u7387\u548c\u5e94\u7528\u7684\u6027\u80fd\uff0c\u800c\u4e14\u4e5f\u4fc3\u8fdb\u4e86\u6700\u4f73\u5b9e\u8df5\u7684\u4f20\u64ad\u548c\u6280\u672f\u521b\u65b0\u3002<\/p>\n<\/p>\n

\u56db\u3001\u5bf9\u5f02\u6b65\u7f16\u7a0b\u7684\u5f3a\u5927\u652f\u6301<\/h3>\n<\/p>\n

JavaScript\u5bf9\u5f02\u6b65\u7f16\u7a0b\u7684\u652f\u6301\u662f\u5176\u53e6\u4e00\u5927\u4f18\u70b9\u3002\u5229\u7528\u4e8b\u4ef6\u5faa\u73af\u548c\u975e\u963b\u585eI\/O\u6a21\u578b\uff0c\u4ee5\u53ca\u8bed\u8a00\u5c42\u9762\u63d0\u4f9b\u7684Promise\u548cAsync\/Await\u7b49\u7279\u6027\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4ee5\u975e\u5e38\u9ad8\u6548\u7684\u65b9\u5f0f\u5904\u7406\u5e76\u53d1\u8bf7\u6c42\uff0c\u5bf9\u4e8e\u6784\u5efa\u9ad8\u6027\u80fd\u7684Web\u670d\u52a1\u5668\u548c\u670d\u52a1\u6765\u8bf4\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u5f02\u6b65\u7f16\u7a0b\u5728\u73b0\u4ee3Web\u5f00\u53d1\u4e2d\u626e\u6f14\u7740\u975e\u5e38\u91cd\u8981\u7684\u89d2\u8272\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u8bf8\u5982Web\u8bf7\u6c42\u3001\u6570\u636e\u5e93\u64cd\u4f5c\u548c\u6587\u4ef6\u7cfb\u7edf\u64cd\u4f5c\u7b49I\/O\u5bc6\u96c6\u578b\u4efb\u52a1\u65f6\u3002JavaScript\u7684\u5f02\u6b65\u7f16\u7a0b\u6a21\u578b\u4e0d\u4ec5\u4f7f\u5f97\u4ee3\u7801\u7684\u7f16\u5199\u548c\u7406\u89e3\u53d8\u5f97\u66f4\u52a0\u76f4\u89c2\uff0c\u800c\u4e14\u4e5f\u63d0\u9ad8\u4e86\u7a0b\u5e8f\u7684\u8fd0\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n

\u603b\u7684\u6765\u8bf4\uff0cJavaScript\u7531\u4e8e\u5176\u8de8\u5e73\u53f0\u80fd\u529b\u3001\u7075\u6d3b\u7684\u4e8b\u4ef6\u5904\u7406\u673a\u5236\u3001\u4e30\u5bcc\u7684\u6846\u67b6\u53ca\u5e93\u8d44\u6e90\u3001\u5bf9\u5f02\u6b65\u7f16\u7a0b\u7684\u5f3a\u5927\u652f\u6301\u7b49\u7279\u6027\uff0c\u6210\u4e3a\u4e86\u4e00\u79cd\u975e\u5e38\u597d\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5c24\u5176\u662f\u5728\u5f00\u53d1\u73b0\u4ee3Web\u5e94\u7528\u65b9\u9762\u3002\u4e0d\u8fc7\uff0c\u4e5f\u8981\u6ce8\u610f\uff0c\u6b63\u56e0\u4e3aJavaScript\u5982\u6b64\u7075\u6d3b\u548c\u5f3a\u5927\uff0c\u5f00\u53d1\u8005\u5728\u4f7f\u7528\u65f6\u9700\u8981\u6ce8\u610f\u4ee3\u7801\u8d28\u91cf\u548c\u7ed3\u6784\uff0c\u4ee5\u907f\u514d\u9879\u76ee\u53d8\u5f97\u96be\u4ee5\u7ef4\u62a4\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. \u4e3a\u4ec0\u4e48javascript\u88ab\u5e7f\u6cdb\u8ba4\u4e3a\u662f\u4e00\u79cd\u597d\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\uff1f<\/strong>
\nJavaScript\u88ab\u5e7f\u6cdb\u8ba4\u4e3a\u662f\u4e00\u79cd\u597d\u7528\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u539f\u56e0\uff1a\u9996\u5148\uff0c\u5b83\u662f\u4e00\u79cd\u8de8\u5e73\u53f0\u7684\u8bed\u8a00\uff0c\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u548c\u8bbe\u5907\u4e0a\u8fd0\u884c\uff1b\u5176\u6b21\uff0c\u5b83\u5177\u6709\u7b80\u6d01\u7075\u6d3b\u7684\u8bed\u6cd5\u548c\u4e30\u5bcc\u7684\u5185\u7f6e\u51fd\u6570\uff0c\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u66f4\u5feb\u901f\u5730\u7f16\u5199\u4ee3\u7801\uff1b\u6b64\u5916\uff0cJavaScript\u8fd8\u53ef\u4ee5\u4e0eHTML\u548cCSS\u7ed3\u5408\u4f7f\u7528\uff0c\u4e3a\u7f51\u9875\u5f00\u53d1\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u4ea4\u4e92\u548c\u52a8\u6001\u6548\u679c\uff1b\u6700\u91cd\u8981\u7684\u662f\uff0cJavaScript\u62e5\u6709\u6d3b\u8dc3\u7684\u5f00\u53d1\u793e\u533a\u548c\u4e30\u5bcc\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u5f00\u6e90\u5e93\u548c\u6846\u67b6\uff0c\u65b9\u4fbf\u5f00\u53d1\u4eba\u5458\u5feb\u901f\u6784\u5efa\u590d\u6742\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

2. JavaScript\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u76f8\u6bd4\uff0c\u6709\u54ea\u4e9b\u7279\u70b9\u8ba9\u5b83\u66f4\u597d\u7528\uff1f<\/strong>
\n\u76f8\u6bd4\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\uff0cJavaScript\u5177\u6709\u51e0\u4e2a\u72ec\u7279\u7684\u7279\u70b9\u4f7f\u5176\u66f4\u597d\u7528\u3002\u9996\u5148\uff0cJavaScript\u662f\u4e00\u79cd\u89e3\u91ca\u6027\u7684\u8bed\u8a00\uff0c\u4e0d\u9700\u8981\u7f16\u8bd1\u5c31\u53ef\u4ee5\u76f4\u63a5\u5728\u6d4f\u89c8\u5668\u4e2d\u8fd0\u884c\uff0c\u8282\u7701\u4e86\u5f00\u53d1\u65f6\u95f4\u548c\u8c03\u8bd5\u6210\u672c\u3002\u5176\u6b21\uff0c\u5b83\u662f\u4e00\u79cd\u52a8\u6001\u7c7b\u578b\u8bed\u8a00\uff0c\u53ef\u4ee5\u6839\u636e\u4e0a\u4e0b\u6587\u81ea\u52a8\u63a8\u65ad\u53d8\u91cf\u7c7b\u578b\uff0c\u4f7f\u5f00\u53d1\u66f4\u5feb\u6377\u3002\u6b64\u5916\uff0cJavaScript\u5177\u6709\u95ed\u5305\u3001\u539f\u578b\u7ee7\u627f\u7b49\u9ad8\u7ea7\u7279\u6027\uff0c\u4f7f\u5f97\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u66f4\u7075\u6d3b\u5730\u7f16\u5199\u4ee3\u7801\u3002\u6700\u540e\uff0cJavaScript\u5177\u6709\u4e30\u5bcc\u7684\u5185\u7f6e\u51fd\u6570\u548c\u5e93\uff0c\u65b9\u4fbf\u5f00\u53d1\u4eba\u5458\u5904\u7406\u5404\u79cd\u590d\u6742\u7684\u4efb\u52a1\uff0c\u5982DOM\u64cd\u4f5c\u3001\u5f02\u6b65\u7f16\u7a0b\u7b49\u3002<\/p>\n

3. JavaScript\u5728\u4e0d\u540c\u9886\u57df\u4e2d\u7684\u4f7f\u7528\u6848\u4f8b\u662f\u600e\u6837\u7684\uff1f<\/strong>
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