{"id":91328,"date":"2024-04-09T18:26:06","date_gmt":"2024-04-09T10:26:06","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/91328.html"},"modified":"2024-04-09T18:26:07","modified_gmt":"2024-04-09T10:26:07","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8javascript%e4%b8%ad%e5%ae%9e%e7%8e%b0%e4%bb%a3%e7%a0%81%e9%87%8d%e6%9e%84","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/91328.html","title":{"rendered":"\u5982\u4f55\u5728JavaScript\u4e2d\u5b9e\u73b0\u4ee3\u7801\u91cd\u6784"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/02151112\/ce3a5074-774b-46c8-8d1c-66d45af94ad1.webp\" alt=\"\u5982\u4f55\u5728JavaScript\u4e2d\u5b9e\u73b0\u4ee3\u7801\u91cd\u6784\" 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14400000)<\/code>\u4e2d\u7684<code>14400000<\/code>\u53ef\u4ee5\u88ab\u66ff\u6362\u4e3a\u5e38\u91cf<code>FOUR_HOURS_IN_MILLISECONDS<\/code>\uff0c\u8fd9\u6837\u505a\u7684\u76f4\u63a5\u597d\u5904\u662f\u4ee3\u7801\u66f4\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027<\/h3>\n<\/p>\n<p><p>\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u662f\u8861\u91cf\u4fee\u6539\u548c\u6269\u5c55\u4ee3\u7801\u96be\u6613\u5ea6\u7684\u91cd\u8981\u6807\u51c6\u3002\u901a\u8fc7\u4ee5\u4e0b\u7b56\u7565\uff0c\u53ef\u4ee5\u6709\u6548\u63d0\u9ad8JavaScript\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u6a21\u5757\u5316<\/strong>\uff1a\u5c06\u4ee3\u7801\u5212\u5206\u4e3a\u53ef\u590d\u7528\u7684\u6a21\u5757\u3002\u6bcf\u4e2a\u6a21\u5757\u8d1f\u8d23\u4e00\u90e8\u5206\u529f\u80fd\uff0c\u8fd9\u6837\u505a\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u95f4\u7684\u4f9d\u8d56\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002<\/li>\n<li><strong>\u9075\u5faa\u8bbe\u8ba1\u539f\u5219<\/strong>\uff1a\u5982DRY\uff08Don&#039;t Repeat Yourself\uff09\u539f\u5219\uff0c\u786e\u4fdd\u4ee3\u7801\u4e2d\u6ca1\u6709\u91cd\u590d; SOLID\u539f\u5219\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u7ef4\u62a4\u3002<\/li>\n<\/ul>\n<p><p>\u5728\u5b9e\u8df5\u4e2d\uff0c\u4f7f\u7528\u7248\u672c\u63a7\u5236\u7cfb\u7edf\uff0c\u5982Git\uff0c\u5bf9\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u4e5f\u6709\u5de8\u5927\u5e2e\u52a9\u3002<strong>\u7248\u672c\u63a7\u5236\u4e0d\u4ec5\u53ef\u4ee5\u8ffd\u8e2a\u6bcf\u4e00\u6b21\u4ee3\u7801\u4fee\u6539\uff0c\u8fd8\u53ef\u4ee5\u5728\u5f15\u5165\u95ee\u9898\u7684\u4fee\u6539\u5bfc\u81f4\u7cfb\u7edf\u6545\u969c\u65f6\uff0c\u5feb\u901f\u56de\u6eda\u5230\u5de5\u4f5c\u6b63\u5e38\u7684\u7248\u672c<\/strong>\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u63d0\u53d6\u51fd\u6570<\/h3>\n<\/p>\n<p><p>\u63d0\u53d6\u51fd\u6570\u662f\u91cd\u6784\u7684\u4e00\u4e2a\u5e38\u7528\u65b9\u6cd5\uff0c\u65e8\u5728\u5c06\u4e00\u4e2a\u957f\u7684\u51fd\u6570\u6216\u7d27\u5bc6\u76f8\u5173\u7684\u4ee3\u7801\u7247\u6bb5\u63d0\u53d6\u5230\u4e00\u4e2a\u72ec\u7acb\u7684\u65b0\u51fd\u6570\u4e2d\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u5305\u62ec\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u63d0\u9ad8\u590d\u7528\u6027<\/strong>\uff1a\u76f8\u4f3c\u7684\u4ee3\u7801\u7247\u6bb5\u5728\u591a\u5904\u4f7f\u7528\u65f6\uff0c\u901a\u8fc7\u63d0\u53d6\u4e3a\u51fd\u6570\uff0c\u53ef\u4ee5\u51cf\u5c11\u4ee3\u7801\u7684\u91cd\u590d\u3002<\/li>\n<li><strong>\u589e\u5f3a\u53ef\u8bfb\u6027<\/strong>\uff1a\u5206\u79bb\u590d\u6742\u7684\u903b\u8f91\u5230\u72ec\u7acb\u7684\u51fd\u6570\u4e2d\uff0c\u5e76\u7ed9\u8fd9\u4e9b\u51fd\u6570\u8d77\u4e0a\u6709\u610f\u4e49\u7684\u540d\u5b57\uff0c\u53ef\u4ee5\u8ba9\u4ee3\u7801\u7684\u529f\u80fd\u4e00\u76ee\u4e86\u7136\u3002<\/li>\n<\/ul>\n<p><p>\u5b9e\u73b0\u63d0\u53d6\u51fd\u6570\u7684\u6280\u5de7\u4e4b\u4e00\u662f<strong>\u8bc6\u522b\u4ee3\u7801\u4e2d\u7684\u201c\u4ee3\u7801\u5757\u201d<\/strong>\uff0c\u8fd9\u4e9b\u201c\u4ee3\u7801\u5757\u201d\u5728\u903b\u8f91\u4e0a\u7d27\u5bc6\u76f8\u5173\uff0c\u6216\u8005\u5728\u591a\u5904\u91cd\u590d\u51fa\u73b0\u3002\u5c06\u8fd9\u4e9b\u4ee3\u7801\u5757\u63d0\u53d6\u5230\u72ec\u7acb\u7684\u51fd\u6570\u4e2d\uff0c\u65e2\u53ef\u4ee5\u51cf\u5c11\u91cd\u590d\uff0c\u53c8\u4f7f\u5f97\u4e3b\u51fd\u6570\u66f4\u52a0\u7b80\u6d01\u3001\u6e05\u6670\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u5229\u7528\u8bbe\u8ba1\u6a21\u5f0f<\/h3>\n<\/p>\n<p><p>\u8bbe\u8ba1\u6a21\u5f0f\u662f\u89e3\u51b3\u5e38\u89c1\u95ee\u9898\u7684\u6a21\u677f\uff0c\u5b83\u4eec\u63d0\u4f9b\u4e86\u4e00\u79cd\u6807\u51c6\u7684\u65b9\u6cd5\u6765\u89e3\u51b3\u590d\u6742\u8bbe\u8ba1\u95ee\u9898\u3002\u5728JavaScript\u4e2d\u4f7f\u7528\u8bbe\u8ba1\u6a21\u5f0f\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u6269\u5c55\u6027\u3002\u4e00\u4e9b\u5e38\u89c1\u7684\u8bbe\u8ba1\u6a21\u5f0f\u5305\u62ec\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u5355\u4f8b\u6a21\u5f0f<\/strong>\uff1a\u786e\u4fdd\u4e00\u4e2a\u7c7b\u53ea\u6709\u4e00\u4e2a\u5b9e\u4f8b\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u5168\u5c40\u8bbf\u95ee\u70b9\u3002<\/li>\n<li><strong>\u89c2\u5bdf\u8005\u6a21\u5f0f<\/strong>\uff1a\u4e00\u4e2a\u5bf9\u8c61\uff08\u79f0\u4e3a\u4e3b\u9898\uff09\u7ef4\u6301\u4e00\u7cfb\u5217\u4f9d\u8d56\u4e8e\u5b83\u7684\u5bf9\u8c61\uff08\u89c2\u5bdf\u8005\uff09\uff0c\u5e76\u5728\u5b83\u7684\u72b6\u6001\u6539\u53d8\u65f6\u81ea\u52a8\u901a\u77e5\u5b83\u4eec\u3002<\/li>\n<\/ul>\n<p><p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u6b63\u786e\u8fd0\u7528\u8bbe\u8ba1\u6a21\u5f0f\u9700\u8981\u5bf9\u8fd9\u4e9b\u6a21\u5f0f\u6709\u6df1\u523b\u7684\u7406\u89e3\u3002\u4f8b\u5982\uff0c\u5355\u4f8b\u6a21\u5f0f\u975e\u5e38\u9002\u5408\u7528\u5728\u9700\u8981\u63a7\u5236\u8d44\u6e90\u8bbf\u95ee\u6216\u8005\u7ba1\u7406\u5171\u4eab\u8d44\u6e90\u7684\u573a\u666f\u4e0b\uff0c\u5982\u6570\u636e\u5e93\u8fde\u63a5\u6216\u6587\u4ef6\u7cfb\u7edf\u7684\u8bbf\u95ee\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u6211\u4eec\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u9ad8JavaScript\u4ee3\u7801\u7684\u8d28\u91cf\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u5065\u58ef\uff0c\u6613\u4e8e\u7ef4\u62a4\u548c\u6269\u5c55\u3002\u91cd\u6784\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u8fc7\u7a0b\uff0c\u5e94\u8be5\u5728\u6574\u4e2a\u8f6f\u4ef6\u5f00\u53d1\u5468\u671f\u4e2d\u4e0d\u65ad\u8fdb\u884c\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u5e93\u5065\u5eb7\u548c\u53ef\u6301\u7eed\u53d1\u5c55\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>\u95ee\u98981\uff1a\u4ec0\u4e48\u662fJavaScript\u4ee3\u7801\u91cd\u6784\uff1f\u5982\u4f55\u5728\u9879\u76ee\u4e2d\u5b9e\u65bd\u4ee3\u7801\u91cd\u6784\uff1f<\/strong><br \/>\nJavaScript\u4ee3\u7801\u91cd\u6784\u662f\u6307\u5bf9\u73b0\u6709\u7684\u4ee3\u7801\u8fdb\u884c\u4f18\u5316\u548c\u6539\u8fdb\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u548c\u6027\u80fd\u3002\u5b9e\u65bd\u4ee3\u7801\u91cd\u6784\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u6790\u4ee3\u7801<\/strong>\uff1a\u9996\u5148\uff0c\u5206\u6790\u6574\u4e2aJavaScript\u9879\u76ee\u7684\u4ee3\u7801\u7ed3\u6784\u548c\u529f\u80fd\u3002\u786e\u5b9a\u9700\u8981\u8fdb\u884c\u91cd\u6784\u7684\u4ee3\u7801\u5757\u6216\u6a21\u5757\u3002<\/li>\n<li><strong>\u5236\u5b9a\u91cd\u6784\u8ba1\u5212<\/strong>\uff1a\u6839\u636e\u4ee3\u7801\u5206\u6790\u7ed3\u679c\uff0c\u5236\u5b9a\u91cd\u6784\u8ba1\u5212\uff0c\u660e\u786e\u91cd\u6784\u7684\u76ee\u6807\u548c\u6b65\u9aa4\u3002<\/li>\n<li><strong>\u91c7\u7528\u9010\u6b65\u91cd\u6784\u7684\u65b9\u5f0f<\/strong>\uff1a\u4ece\u4e00\u4e2a\u5c0f\u7684\u4ee3\u7801\u5757\u5f00\u59cb\uff0c\u9010\u6b65\u8fdb\u884c\u91cd\u6784\u3002\u6d4b\u8bd5\u6bcf\u4e2a\u91cd\u6784\u7684\u6b65\u9aa4\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u529f\u80fd\u4e0d\u53d7\u5f71\u54cd\u3002<\/li>\n<li><strong>\u9075\u5faa\u6700\u4f73\u5b9e\u8df5<\/strong>\uff1a\u5728\u91cd\u6784\u8fc7\u7a0b\u4e2d\uff0c\u9075\u5faaJavaScript\u7684\u6700\u4f73\u5b9e\u8df5\u548c\u7f16\u7801\u89c4\u8303\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u8d28\u91cf\u7684\u63d0\u5347\u3002<\/li>\n<li><strong>\u6301\u7eed\u6d4b\u8bd5\u4e0e\u9a8c\u8bc1<\/strong>\uff1a\u91cd\u6784\u5b8c\u6210\u540e\uff0c\u8fdb\u884c\u5145\u5206\u7684\u6d4b\u8bd5\u548c\u9a8c\u8bc1\uff0c\u786e\u4fdd\u4ee3\u7801\u7684\u6b63\u786e\u6027\u548c\u6027\u80fd\u7684\u63d0\u5347\u3002<\/li>\n<\/ul>\n<p><strong>\u95ee\u98982\uff1a\u5982\u4f55\u5728JavaScript\u4e2d\u91cd\u6784\u5197\u957f\u7684\u51fd\u6570\u6216\u65b9\u6cd5\uff1f\u6709\u54ea\u4e9b\u5e38\u7528\u7684\u91cd\u6784\u6280\u5de7\uff1f<\/strong><br \/>\n\u5f53\u4e00\u4e2a\u51fd\u6570\u6216\u65b9\u6cd5\u8fc7\u4e8e\u5197\u957f\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u8fdb\u884c\u91cd\u6784\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u91cd\u6784\u5197\u957f\u51fd\u6570\u7684\u5e38\u7528\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u5206\u89e3\u51fd\u6570<\/strong>\uff1a\u5c06\u5197\u957f\u7684\u51fd\u6570\u5206\u89e3\u4e3a\u591a\u4e2a\u8f83\u5c0f\u7684\u51fd\u6570\uff0c\u6bcf\u4e2a\u51fd\u6570\u5904\u7406\u4e00\u4e2a\u5177\u4f53\u7684\u4efb\u52a1\u3002\u8fd9\u6837\u80fd\u591f\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u590d\u7528\u6027\u3002<\/li>\n<li><strong>\u63d0\u53d6\u91cd\u590d\u4ee3\u7801<\/strong>\uff1a\u901a\u8fc7\u63d0\u53d6\u91cd\u590d\u7684\u4ee3\u7801\u4e3a\u5355\u72ec\u7684\u51fd\u6570\u6216\u65b9\u6cd5\uff0c\u907f\u514d\u91cd\u590d\u7f16\u5199\u76f8\u4f3c\u7684\u4ee3\u7801\u3002\u53ef\u4ee5\u5229\u7528\u51fd\u6570\u548c\u65b9\u6cd5\u7684\u53c2\u6570\u6765\u5904\u7406\u4e0d\u540c\u7684\u60c5\u51b5\u3002<\/li>\n<li><strong>\u6d88\u9664\u5d4c\u5957<\/strong>\uff1a\u907f\u514d\u8fc7\u6df1\u7684\u5d4c\u5957\u7ed3\u6784\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c06\u5d4c\u5957\u7684\u4ee3\u7801\u5757\u63d0\u53d6\u4e3a\u72ec\u7acb\u7684\u51fd\u6570\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9002\u5f53\u7684\u6570\u636e\u7ed3\u6784<\/strong>\uff1a\u4f7f\u7528\u9002\u5f53\u7684\u6570\u636e\u7ed3\u6784\u548c\u7b97\u6cd5\uff0c\u4ee5\u51cf\u5c11\u4ee3\u7801\u7684\u590d\u6742\u6027\u548c\u5197\u957f\u6027\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u7ec4\u6216\u5bf9\u8c61\u6765\u66ff\u4ee3\u5927\u91cf\u7684if-else\u8bed\u53e5\u3002<\/li>\n<li><strong>\u5408\u5e76\u529f\u80fd\u76f8\u4f3c\u7684\u4ee3\u7801<\/strong>\uff1a\u5982\u679c\u4ee3\u7801\u4e2d\u5b58\u5728\u591a\u4e2a\u529f\u80fd\u76f8\u4f3c\u7684\u4ee3\u7801\u5757\uff0c\u53ef\u4ee5\u5c06\u5b83\u4eec\u5408\u5e76\u4e3a\u4e00\u4e2a\u901a\u7528\u7684\u51fd\u6570\u6216\u65b9\u6cd5\uff0c\u63d0\u9ad8\u4ee3\u7801\u91cd\u7528\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u95ee\u98983\uff1a\u5982\u4f55\u5728JavaScript\u91cd\u6784\u4e2d\u907f\u514d\u5f15\u5165\u65b0\u7684bug\uff1f\u6709\u54ea\u4e9b\u6d4b\u8bd5\u548c\u9a8c\u8bc1\u65b9\u6cd5\uff1f<\/strong><br \/>\n\u5728\u8fdb\u884cJavaScript\u4ee3\u7801\u91cd\u6784\u65f6\uff0c\u4e3a\u4e86\u907f\u514d\u5f15\u5165\u65b0\u7684bug\uff0c\u53ef\u4ee5\u91c7\u53d6\u4ee5\u4e0b\u6d4b\u8bd5\u548c\u9a8c\u8bc1\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><strong>\u5355\u5143\u6d4b\u8bd5<\/strong>\uff1a\u5728\u91cd\u6784\u524d\uff0c\u786e\u4fdd\u4ee3\u7801\u5df2\u7ecf\u6709\u4e00\u5957\u5b8c\u5584\u7684\u5355\u5143\u6d4b\u8bd5\u8986\u76d6\u3002\u91cd\u6784\u540e\uff0c\u53ef\u4ee5\u8fd0\u884c\u8fd9\u4e9b\u5355\u5143\u6d4b\u8bd5\uff0c\u786e\u4fdd\u91cd\u6784\u4e0d\u4f1a\u7834\u574f\u539f\u6709\u7684\u4ee3\u7801\u903b\u8f91\u548c\u529f\u80fd\u3002<\/li>\n<li><strong>\u56de\u5f52\u6d4b\u8bd5<\/strong>\uff1a\u91cd\u6784\u540e\uff0c\u8fd0\u884c\u5168\u9762\u7684\u56de\u5f52\u6d4b\u8bd5\uff0c\u5305\u62ec\u529f\u80fd\u6d4b\u8bd5\u3001\u6027\u80fd\u6d4b\u8bd5\u3001\u8fb9\u754c\u6d4b\u8bd5\u7b49\uff0c\u4ee5\u786e\u4fdd\u4ee3\u7801\u5728\u91cd\u6784\u540e\u4f9d\u7136\u80fd\u591f\u6b63\u786e\u8fd0\u884c\u3002<\/li>\n<li><strong><a href=\"https:\/\/docs.pingcode.com\/code-review\" 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