{"id":167118,"date":"2024-05-08T15:56:13","date_gmt":"2024-05-08T07:56:13","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/167118.html"},"modified":"2024-05-08T15:56:16","modified_gmt":"2024-05-08T07:56:16","slug":"javascript%e5%a5%bd%e9%9a%be%e5%ad%a6%ef%bc%8c%e6%b1%82%e5%8a%a9%e5%a5%bd%e7%9a%84%e5%ad%a6%e4%b9%a0%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/167118.html","title":{"rendered":"javascript\u597d\u96be\u5b66\uff0c\u6c42\u52a9\u597d\u7684\u5b66\u4e60\u65b9\u6cd5"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27033018\/ecaa2fcc-b433-41ea-bafe-e704c039cca3.webp\" alt=\"javascript\u597d\u96be\u5b66\uff0c\u6c42\u52a9\u597d\u7684\u5b66\u4e60\u65b9\u6cd5\" \/><\/p>\n<p><p><strong>JavaScript\u7684\u5b66\u4e60\u65b9\u6cd5<\/strong>\uff0c\u9996\u5148\u9700\u8981<strong>\u7406\u89e3\u57fa\u7840\u6982\u5ff5\u548c\u7ed3\u6784<\/strong>\u3001<strong>\u5b9e\u8df5\u7f16\u7801<\/strong>\u3001<strong>\u53c2\u4e0e\u793e\u533a<\/strong>\u3002\u5c24\u5176\u662f\u7406\u89e3\u57fa\u7840\u6982\u5ff5\u548c\u7ed3\u6784\u5bf9\u4e8e\u672a\u6765\u7684\u5b66\u4e60\u81f3\u5173\u91cd\u8981\u3002\u7f16\u7a0b\u8bed\u8a00\u7684\u6838\u5fc3\u5728\u4e8e\u5b83\u7684\u53d8\u91cf\u3001\u5faa\u73af\u3001\u6761\u4ef6\u8bed\u53e5\u3001\u51fd\u6570\u7b49\u57fa\u672c\u6784\u4ef6\uff0c\u800cJavaScript\u4f5c\u4e3a\u4e00\u79cd\u52a8\u6001\u8bed\u8a00\uff0c\u5176\u7075\u6d3b\u6027\u6765\u6e90\u4e8e\u5bf9\u8fd9\u4e9b\u6982\u5ff5\u7684\u4e0d\u540c\u5904\u7406\u65b9\u5f0f\u3002\u6bd4\u5982\uff0c\u95ed\u5305\uff08closures\uff09\u662fJavaScript\u4e2d\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u80fd\u591f\u521b\u5efa\u6709\u52a9\u4e8e\u4fdd\u6301\u72b6\u6001\u548c\u5c01\u88c5\u53d8\u91cf\u7684\u5185\u90e8\u4f5c\u7528\u57df\u3002\u901a\u8fc7\u638c\u63e1\u95ed\u5305\uff0c\u60a8\u53ef\u4ee5\u7f16\u5199\u66f4\u52a0\u6a21\u5757\u5316\u548c\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u3002\u6b64\u5916\uff0c\u7406\u89e3\u57fa\u7840\u6982\u5ff5\u548c\u7ed3\u6784\u8fd8\u6709\u52a9\u4e8e\u5b66\u4e60\u66f4\u9ad8\u7ea7\u7684JavaScript\u7279\u6027\uff0c\u6bd4\u5982\u5f02\u6b65\u7f16\u7a0b\u3001\u539f\u578b\u7ee7\u627f\u7b49\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001\u638c\u63e1\u57fa\u672c\u8bed\u6cd5\u548c\u6982\u5ff5<\/h3>\n<\/p>\n<p><p>\u5728\u5b66\u4e60JavaScript\u521d\u671f\uff0c\u9996\u5148\u8981\u719f\u6089\u5b83\u7684\u57fa\u672c\u8bed\u6cd5\u548c\u7f16\u7a0b\u6982\u5ff5\u3002\u4e86\u89e3\u6570\u636e\u7c7b\u578b\u3001\u53d8\u91cf\u58f0\u660e\u3001\u64cd\u4f5c\u7b26\u3001\u63a7\u5236\u7ed3\u6784\u548c\u51fd\u6570\u5982\u4f55\u8fd0\u4f5c\u3002\u8fd9\u4e9b\u662f\u7f16\u5199\u4efb\u4f55\u7a0b\u5e8f\u7684\u57fa\u7840\u3002\u5c1d\u8bd5\u5efa\u7acb\u4e00\u4e2a\u7b80\u5355\u7684JavaScript\u7a0b\u5e8f\uff0c\u5982\u8ba1\u7b97\u5668\u5e94\u7528\u7a0b\u5e8f\u6216\u7b80\u5355\u7684\u8868\u5355\u9a8c\u8bc1\uff0c\u8ba9\u4f60\u65e2\u80fd\u5b9e\u8df5\u57fa\u7840\u77e5\u8bc6\uff0c\u53c8\u80fd\u6709\u6240\u6210\u5c31\u611f\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001\u8fdb\u884c\u5b9e\u8df5\u9879\u76ee<\/h3>\n<\/p>\n<p><p>\u7406\u8bba\u77e5\u8bc6\u5b66\u4e60\u540e\uff0c\u7d27\u63a5\u7740\u8981\u901a\u8fc7\u5b9e\u8df5\u5c06\u6240\u5b66\u77e5\u8bc6\u7528\u4e8e\u5b9e\u9645\u3002\u53ef\u4ee5\u901a\u8fc7\u5728\u7ebf\u5e73\u53f0\u5982CodePen\u6216JSFiddle\u6765\u7ec3\u4e60\u7f16\u7801\uff0c\u6216\u8005\u53c2\u4e0e\u5f00\u6e90\u9879\u76ee\u3002\u5b9e\u8df5\u9879\u76ee\u5e2e\u52a9\u5de9\u56fa\u5b66\u4e60\uff0c\u5e76\u4e14\u901a\u8fc7\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u6765\u63d0\u9ad8\u7f16\u7a0b\u6280\u5de7\u3002\u968f\u7740\u6280\u672f\u7684\u63d0\u9ad8\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u66f4\u52a0\u590d\u6742\u7684\u9879\u76ee\uff0c\u5982\u6784\u5efa\u5c0f\u578b\u7684Web\u5e94\u7528\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u6df1\u5165\u7406\u89e3\u9ad8\u7ea7\u6982\u5ff5<\/h3>\n<\/p>\n<p><p>\u4e00\u65e6\u57fa\u7840\u624e\u5b9e\uff0c\u6df1\u5165\u5b66\u4e60JavaScript\u7684\u9ad8\u7ea7\u6982\u5ff5\uff0c\u6bd4\u5982\u4e8b\u4ef6\u5904\u7406\u3001\u5f02\u6b65\u7f16\u7a0b\u3001\u95ed\u5305\u3001\u539f\u578b\u94fe\u548c\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7b49\u3002\u8fd9\u4e9b\u9ad8\u7ea7\u6982\u5ff5\u662f\u6210\u4e3a\u4e00\u4e2a\u9ad8\u7ea7\u5f00\u53d1\u8005\u6240\u5fc5\u987b\u7684\u3002\u4f8b\u5982\uff0c\u6df1\u5165\u7406\u89e3<strong>\u5f02\u6b65\u7f16\u7a0b\u548cPromise\u5bf9\u8c61<\/strong>\u5bf9\u4e8e\u5904\u7406\u7f51\u7edc\u8bf7\u6c42\u3001\u6587\u4ef6\u64cd\u4f5c\u3001\u6216\u4efb\u4f55\u9700\u8981\u7b49\u5f85\u7684\u64cd\u4f5c\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001\u52a0\u5165\u793e\u533a\u5e76\u83b7\u53d6\u8d44\u6e90<\/h3>\n<\/p>\n<p><p>\u793e\u533a\u5bf9\u4e8e\u5b66\u4e60JavaScript\u6781\u5176\u91cd\u8981\u3002\u52a0\u5165\u5f00\u53d1\u8005\u8bba\u575b\u3001\u793e\u4ea4\u5a92\u4f53\u7ec4\u7ec7\u3001\u6216\u672c\u5730\u7684\u7f16\u7a0b\u5c0f\u7ec4\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u83b7\u5f97\u652f\u6301\u3001\u5171\u4eab\u4ee3\u7801\u3001\u5b66\u4e60\u6700\u4f73\u5b9e\u8df5\u5e76\u4e86\u89e3\u4e1a\u754c\u65b0\u95fb\u3002\u6b64\u5916\uff0c\u9605\u8bfb\u76f8\u5173\u4e66\u7c4d\u3001\u5728\u7ebf\u6559\u7a0b\u3001\u89c6\u9891\u8bfe\u7a0b\u548c\u6280\u672f\u535a\u5ba2\u4e5f\u53ef\u52a0\u901f\u5b66\u4e60\u8fdb\u7a0b\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u53cd\u590d\u7ec3\u4e60\u548c\u590d\u4e60<\/h3>\n<\/p>\n<p><p>\u91cd\u590d\u662f\u5b66\u4e60\u7f16\u7a0b\u7684\u5173\u952e\u3002\u65e0\u8bba\u662f\u901a\u8fc7\u5199\u4ee3\u7801\u3001\u9605\u8bfb\u4ee3\u7801\u6216\u4fee\u590d\u9519\u8bef\uff0c\u53cd\u590d\u7ec3\u4e60\u80fd\u5e2e\u52a9\u5de9\u56fa\u77e5\u8bc6\u3002\u6bcf\u5929\u90fd\u5e94\u8be5\u82b1\u65f6\u95f4\u7f16\u5199JavaScript\u4ee3\u7801\uff0c\u5373\u4f7f\u662f\u6267\u884c\u7b80\u5355\u7684\u7f16\u7a0b\u4efb\u52a1\u4e5f\u597d\u3002\u540c\u65f6\uff0c\u5b9a\u671f\u590d\u4e60\u65e7\u77e5\u8bc6\u70b9\u4ee5\u907f\u514d\u9057\u5fd8\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u4f7f\u7528\u73b0\u4ee3\u5de5\u5177\u548c\u6846\u67b6<\/h3>\n<\/p>\n<p><p>JavaScript\u751f\u6001\u7cfb\u7edf\u4e2d\u6709\u8bb8\u591a\u73b0\u4ee3\u5de5\u5177\u548c\u6846\u67b6\u53ef\u4ee5\u63d0\u5347\u5f00\u53d1\u6548\u7387\uff0c\u4e86\u89e3\u548c\u5b66\u4e60\u8fd9\u4e9b\u5de5\u5177\u5982Node.js\u3001React\u3001Angular\u3001Vue\u7b49\u5bf9\u804c\u4e1a\u53d1\u5c55\u5927\u6709\u88e8\u76ca\u3002\u5b83\u4eec\u63d0\u4f9b\u4e86\u4e00\u79cd\u6807\u51c6\u5316\u7684\u65b9\u6cd5\u6765\u6784\u5efa\u590d\u6742\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u80fd\u5e2e\u4f60\u66f4\u5feb\u5730\u5f00\u53d1\u3002<\/p>\n<\/p>\n<p><p>\u5b66\u4e60JavaScript\u786e\u5b9e\u53ef\u80fd\u5f88\u96be\uff0c\u5c24\u5176\u662f\u5bf9\u4e8e\u7f16\u7a0b\u65b0\u624b\u6765\u8bf4\u3002\u4f46\u662f\uff0c\u901a\u8fc7\u5408\u7406\u7684\u65b9\u6cd5\u548c\u6301\u7eed\u7684\u5b9e\u8df5\uff0c\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u9010\u6b65\u638c\u63e1JavaScript\u5e76\u6210\u4e3a\u4e00\u4e2a\u51fa\u8272\u7684\u5f00\u53d1\u8005\u3002\u91cd\u8981\u7684\u662f\u8981\u8010\u5fc3\uff0c\u4e0d\u65ad\u5b9e\u8df5\uff0c\u5e76\u4eab\u53d7\u7f16\u7a0b\u7684\u8fc7\u7a0b\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. \u5982\u4f55\u964d\u4f4e\u5b66\u4e60JavaScript\u7684\u96be\u5ea6\uff1f<\/strong><\/p>\n<p>\u5b66\u4e60\u4efb\u4f55\u7f16\u7a0b\u8bed\u8a00\u90fd\u9700\u8981\u4e00\u5b9a\u7684\u65f6\u95f4\u548c\u8010\u5fc3\uff0c\u4f46\u4f60\u53ef\u4ee5\u91c7\u53d6\u4e00\u4e9b\u65b9\u6cd5\u6765\u964d\u4f4e\u5b66\u4e60JavaScript\u7684\u96be\u5ea6\u3002\u9996\u5148\uff0c\u5efa\u8bae\u4ece\u57fa\u7840\u5f00\u59cb\uff0c\u9010\u6b65\u6df1\u5165\u5b66\u4e60\u3002\u53ef\u4ee5\u901a\u8fc7\u5728\u7ebf\u6559\u7a0b\u3001\u4e66\u7c4d\u6216\u89c6\u9891\u8bfe\u7a0b\u6765\u7cfb\u7edf\u5730\u5b66\u4e60\u8bed\u8a00\u7684\u57fa\u7840\u77e5\u8bc6\uff0c\u5e76\u9010\u6b65\u5e94\u7528\u5230\u5b9e\u9645\u9879\u76ee\u4e2d\u3002\u5176\u6b21\uff0c\u5b66\u4e60\u4e2d\u9047\u5230\u7684\u95ee\u9898\u53ef\u4ee5\u901a\u8fc7\u641c\u7d22\u5f15\u64ce\u3001\u7f16\u7a0b\u793e\u533a\u6216\u8bba\u575b\u5bfb\u6c42\u5e2e\u52a9\uff0c\u4e0e\u5176\u4ed6\u5b66\u4e60\u8005\u5206\u4eab\u7ecf\u9a8c\u548c\u89e3\u51b3\u65b9\u6848\u3002\u6b64\u5916\uff0c\u5b9e\u8df5\u662f\u638c\u63e1\u4efb\u4f55\u7f16\u7a0b\u8bed\u8a00\u7684\u5173\u952e\uff0c\u5c1d\u8bd5\u7f16\u5199\u5c0f\u578b\u9879\u76ee\u6216\u53c2\u4e0e\u5f00\u6e90\u9879\u76ee\u5c06\u6709\u52a9\u4e8e\u52a0\u6df1\u7406\u89e3\u548c\u5e94\u7528\u3002<\/p>\n<p><strong>2. \u6709\u54ea\u4e9b\u9002\u5408\u521d\u5b66\u8005\u7684JavaScript\u5b66\u4e60\u8d44\u6e90\uff1f<\/strong><\/p>\n<p>\u5bf9\u4e8e\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u9009\u62e9\u9002\u5408\u81ea\u5df1\u7684\u5b66\u4e60\u8d44\u6e90\u975e\u5e38\u91cd\u8981\u3002\u6709\u4e00\u4e9b\u4f18\u8d28\u7684\u5728\u7ebf\u8d44\u6e90\u53ef\u4ee5\u5e2e\u52a9\u4f60\u5165\u95e8JavaScript\u3002\u53ef\u4ee5\u9009\u62e9\u514d\u8d39\u7684\u5728\u7ebf\u6559\u7a0b\uff0c\u5982MDN Web\u6587\u6863\u6216W3Schools\uff0c\u8fd9\u4e9b\u6559\u7a0b\u901a\u5e38\u4ee5\u7b80\u6d01\u660e\u4e86\u7684\u65b9\u5f0f\u4ecb\u7ecd\u8bed\u8a00\u7684\u57fa\u672c\u6982\u5ff5\u548c\u8bed\u6cd5\u3002\u6b64\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u4ed8\u8d39\u7684\u5728\u7ebf\u5b66\u4e60\u5e73\u53f0\uff0c\u5982Codecademy\u6216Udemy\uff0c\u5b83\u4eec\u63d0\u4f9b\u7ed3\u6784\u5316\u7684\u8bfe\u7a0b\u548c\u9879\u76ee\u5b9e\u8df5\uff0c\u53ef\u4ee5\u66f4\u7cfb\u7edf\u5730\u5b66\u4e60JavaScript\u3002\u9664\u4e86\u5728\u7ebf\u8d44\u6e90\uff0c\u8fd8\u53ef\u4ee5\u9605\u8bfb\u4e00\u4e9b\u7ecf\u5178\u7684JavaScript\u4e66\u7c4d\uff0c\u5982\u300aJavaScript\u9ad8\u7ea7\u7a0b\u5e8f\u8bbe\u8ba1\u300b\u6216\u300a\u4f60\u4e0d\u77e5\u9053\u7684JavaScript\u300b\u7cfb\u5217\u3002<\/p>\n<p><strong>3. \u5982\u4f55\u63d0\u9ad8\u5b66\u4e60\u548c\u638c\u63e1JavaScript\u7684\u6548\u679c\uff1f<\/strong><\/p>\n<p>\u5b66\u4e60\u548c\u638c\u63e1JavaScript\u9700\u8981\u4ed8\u51fa\u4e00\u5b9a\u7684\u52aa\u529b\u548c\u65f6\u95f4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5efa\u8bae\u6765\u5e2e\u52a9\u4f60\u63d0\u9ad8\u5b66\u4e60\u6548\u679c\u3002\u9996\u5148\uff0c\u591a\u505a\u7ec3\u4e60\u548c\u9879\u76ee\u5b9e\u8df5\u3002\u901a\u8fc7\u7f16\u5199\u5b9e\u9645\u7684\u4ee3\u7801\uff0c\u89e3\u51b3\u771f\u5b9e\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u6240\u5b66\u77e5\u8bc6\u3002\u5176\u6b21\uff0c\u4e0e\u5176\u4ed6\u5b66\u4e60\u8005\u4ea4\u6d41\u548c\u5206\u4eab\u7ecf\u9a8c\uff0c\u53ef\u4ee5\u901a\u8fc7\u52a0\u5165\u7f16\u7a0b\u793e\u533a\u3001\u53c2\u52a0\u7ebf\u4e0b\u6d3b\u52a8\u6216\u52a0\u5165\u5728\u7ebf\u8bba\u575b\u6765\u627e\u5230\u5fd7\u540c\u9053\u5408\u7684\u4eba\u548c\u5b66\u4e60\u8d44\u6e90\u3002\u6b64\u5916\uff0c\u4e0d\u8981\u5bb3\u6015\u72af\u9519\u8bef\uff0c\u901a\u8fc7\u4e0d\u65ad\u5c1d\u8bd5\u548c\u7ea0\u6b63\u9519\u8bef\u6765\u63d0\u9ad8\u81ea\u5df1\u7684\u7f16\u7a0b\u80fd\u529b\u3002\u6700\u540e\uff0c\u4fdd\u6301\u6301\u7eed\u5b66\u4e60\u7684\u52a8\u529b\u548c\u8010\u5fc3\uff0c\u76f8\u4fe1\u81ea\u5df1\u53ef\u4ee5\u638c\u63e1JavaScript\u8fd9\u95e8\u7f16\u7a0b\u8bed\u8a00\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"JavaScript\u7684\u5b66\u4e60\u65b9\u6cd5\uff0c\u9996\u5148\u9700\u8981\u7406\u89e3\u57fa\u7840\u6982\u5ff5\u548c\u7ed3\u6784\u3001\u5b9e\u8df5\u7f16\u7801\u3001\u53c2\u4e0e\u793e\u533a\u3002\u5c24\u5176\u662f\u7406\u89e3\u57fa\u7840\u6982\u5ff5\u548c\u7ed3\u6784\u5bf9\u4e8e\u672a [&hellip;]","protected":false},"author":3,"featured_media":167120,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/167118"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=167118"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/167118\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/167120"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=167118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=167118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=167118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}