{"id":160495,"date":"2024-05-08T13:31:56","date_gmt":"2024-05-08T05:31:56","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/160495.html"},"modified":"2024-05-08T13:32:02","modified_gmt":"2024-05-08T05:32:02","slug":"%e8%90%8c%e6%96%b0%e5%88%9a%e5%85%a5%e9%97%a8javascript%ef%bc%8c%e6%9c%89%e7%82%b9%e8%bf%b7%e8%8c%ab%ef%bc%8c%e6%b1%82%e6%8c%87%e6%95%99","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/160495.html","title":{"rendered":"\u840c\u65b0\u521a\u5165\u95e8javascript\uff0c\u6709\u70b9\u8ff7\u832b\uff0c\u6c42\u6307\u6559"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/26223034\/c8092c58-87ec-48d3-b2ff-cc7ecddc3e9e.webp\" alt=\"\u840c\u65b0\u521a\u5165\u95e8javascript\uff0c\u6709\u70b9\u8ff7\u832b\uff0c\u6c42\u6307\u6559\" \/><\/p>\n<p><p>\u5bf9\u4e8e\u6b63\u521a\u5165\u95e8JavaScript\u7684\u840c\u65b0\u6765\u8bf4\uff0c\u638c\u63e1\u8fd9\u95e8\u8bed\u8a00\u7684\u6838\u5fc3\u6982\u5ff5\u548c\u5b66\u4e60\u8def\u5f84\u662f\u975e\u5e38\u5173\u952e\u7684\u3002<strong>JavaScript\u662f\u4e00\u79cd\u9ad8\u7ea7\u7684\u3001\u89e3\u91ca\u6267\u884c\u7684\u7f16\u7a0b\u8bed\u8a00\u3001\u4e3b\u8981\u7528\u4e8e\u6784\u5efa\u7f51\u9875\u4ea4\u4e92\u6548\u679c\u3001\u670d\u52a1\u5668\u7aef\u5f00\u53d1\uff08\u5982Node.js\uff09\u3001\u6e38\u620f\u5f00\u53d1\u4ee5\u53ca\u79fb\u52a8\u5e94\u7528\u5f00\u53d1<\/strong>\u3002\u8fd9\u610f\u5473\u7740\u5b66\u4e60JavaScript\u4e0d\u4ec5\u53ef\u4ee5\u8ba9\u4f60\u5728\u524d\u7aef\u5f00\u53d1\u9886\u57df\u6709\u6240\u5efa\u6811\uff0c\u8fd8\u80fd\u8de8\u5165\u540e\u7aef\u5f00\u53d1\u3001\u751a\u81f3\u662f\u5168\u6808\u5f00\u53d1\u7684\u884c\u5217\u3002\u8981\u60f3\u5728\u8fd9\u6761\u8def\u4e0a\u5c11\u8d70\u5f2f\u8def\u3001\u5feb\u901f\u6210\u957f\uff0c\u5efa\u7acb\u8d77\u826f\u597d\u7684\u5b66\u4e60\u57fa\u7840\u548c\u6301\u7eed\u5b9e\u8df5\u662f\u5173\u952e\u3002<\/p>\n<\/p>\n<p><p>\u5728\u6240\u6709\u7684\u5b66\u4e60\u91cd\u70b9\u4e2d\uff0c<strong>\u7406\u89e3JavaScript\u7684\u6838\u5fc3\u6982\u5ff5<\/strong>\u5c24\u4e3a\u91cd\u8981\u3002\u8fd9\u5305\u62ec\u4e86\u6570\u636e\u7c7b\u578b\u3001\u51fd\u6570\u3001\u5bf9\u8c61\u3001\u4e8b\u4ef6\u5904\u7406\u673a\u5236\u7b49\uff0c\u6bcf\u4e00\u4e2a\u90e8\u5206\u90fd\u662f\u6784\u5efaJavaScript\u5e94\u7528\u7684\u57fa\u77f3\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u8fd9\u4e9b\u5173\u952e\u6982\u5ff5\u53ca\u5b66\u4e60\u8def\u5f84\uff0c\u4ee5\u5e2e\u52a9\u521d\u5b66\u8005\u5efa\u7acb\u575a\u5b9e\u7684JavaScript\u57fa\u7840\u3002<\/p>\n<\/p>\n<p><h2>\u4e00\u3001\u4e86\u89e3JavaScript\u57fa\u7840<\/h2>\n<\/p>\n<p><h3>\u6570\u636e\u7c7b\u578b\u548c\u53d8\u91cf<\/h3>\n<\/p>\n<p><p>JavaScript\u5177\u6709\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u57fa\u7840\u7684\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\uff0c\u4ee5\u53ca\u590d\u6742\u7684\u5bf9\u8c61\u3001\u6570\u7ec4\u7b49\u3002\u521a\u5f00\u59cb\u63a5\u89e6\u65f6\uff0c\u91cd\u70b9\u7406\u89e3\u5982\u4f55\u58f0\u660e\u53d8\u91cf\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u8fd9\u4e9b\u53d8\u91cf\u6765\u5b58\u50a8\u548c\u64cd\u4f5c\u6570\u636e\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u5b66\u4e60\u4f7f\u7528<code>let<\/code>\u548c<code>const<\/code>\u6765\u58f0\u660e\u53d8\u91cf\uff0c\u4e86\u89e3\u5b83\u4eec\u4e0e\u4f20\u7edf\u7684<code>var<\/code>\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u5bf9\u4e8e\u7f16\u5199\u66f4\u52a0\u5b89\u5168\u3001\u6613\u4e8e\u7ef4\u62a4\u7684\u4ee3\u7801\u6709\u7740\u91cd\u8981\u610f\u4e49\u3002<\/p>\n<\/p>\n<p><h3>\u51fd\u6570<\/h3>\n<\/p>\n<p><p>\u51fd\u6570\u662fJavaScript\u7f16\u7a0b\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\u3002\u5b83\u4eec\u5141\u8bb8\u4f60\u5c06\u4ee3\u7801\u5757\u5c01\u88c5\u8d77\u6765\uff0c\u4ee5\u4fbf\u91cd\u590d\u4f7f\u7528\u3002\u5b66\u4e60\u5982\u4f55\u5b9a\u4e49\u51fd\u6570\u3001\u4f20\u9012\u53c2\u6570\u3001\u8fd4\u56de\u503c\uff0c\u4ee5\u53ca\u7406\u89e3\u4f5c\u7528\u57df\u548c\u95ed\u5305\u7b49\u6982\u5ff5\uff0c\u5bf9\u4e8e\u6784\u5efa\u52a8\u6001\u529f\u80fd\u5341\u5206\u5173\u952e\u3002<\/p>\n<\/p>\n<p><h2>\u4e8c\u3001\u638c\u63e1\u63a7\u5236\u6d41\u7a0b\u548c\u9519\u8bef\u5904\u7406<\/h2>\n<\/p>\n<p><h3>\u63a7\u5236\u8bed\u53e5<\/h3>\n<\/p>\n<p><p>\u63a7\u5236\u8bed\u53e5\u8ba9\u4f60\u80fd\u591f\u6839\u636e\u4e0d\u540c\u7684\u6761\u4ef6\u6267\u884c\u4e0d\u540c\u7684\u4ee3\u7801\u8def\u5f84\u3002\u5b66\u4e60\u4f7f\u7528<code>if<\/code>\u8bed\u53e5\u3001<code>switch<\/code>\u8bed\u53e5\u3001\u4ee5\u53ca\u5faa\u73af\u8bed\u53e5\uff08<code>for<\/code>\u3001<code>while<\/code>\uff09\u6765\u63a7\u5236\u7a0b\u5e8f\u7684\u6d41\u7a0b\u3002<\/p>\n<\/p>\n<p><h3>\u9519\u8bef\u5904\u7406<\/h3>\n<\/p>\n<p><p>\u5728JavaScript\u7f16\u7a0b\u4e2d\uff0c\u9519\u8bef\u5904\u7406\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u5b83\u5e2e\u52a9\u4f60\u4f18\u96c5\u5730\u5904\u7406\u7a0b\u5e8f\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u9047\u5230\u7684\u5f02\u5e38\u60c5\u51b5\u3002\u4e86\u89e3\u5982\u4f55\u4f7f\u7528<code>try...catch<\/code>\u8bed\u53e5\u6765\u6355\u6349\u548c\u5904\u7406\u9519\u8bef\uff0c\u5bf9\u4e8e\u63d0\u9ad8\u4ee3\u7801\u7684\u7a33\u5b9a\u6027\u548c\u7528\u6237\u4f53\u9a8c\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n<p><h2>\u4e09\u3001\u6df1\u5165\u7406\u89e3\u9ad8\u7ea7\u6982\u5ff5<\/h2>\n<\/p>\n<p><h3>\u5bf9\u8c61\u548c\u539f\u578b<\/h3>\n<\/p>\n<p><p>JavaScript\u662f\u4e00\u79cd\u57fa\u4e8e\u539f\u578b\u7684\u8bed\u8a00\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6709\u4e00\u4e2a\u539f\u578b\u5bf9\u8c61\uff0c\u4ece\u800c\u7ee7\u627f\u65b9\u6cd5\u548c\u5c5e\u6027\u3002\u6df1\u5165\u7406\u89e3\u5bf9\u8c61\u3001\u539f\u578b\u94fe\u7684\u5de5\u4f5c\u673a\u5236\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4eec\u6765\u521b\u5efa\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u548c\u529f\u80fd\u6a21\u5757\uff0c\u662f\u63d0\u5347\u4e3a\u9ad8\u7ea7\u5f00\u53d1\u8005\u7684\u5fc5\u7ecf\u4e4b\u8def\u3002<\/p>\n<\/p>\n<p><h3>\u5f02\u6b65\u7f16\u7a0b<\/h3>\n<\/p>\n<p><p>\u5728JavaScript\u4e16\u754c\u91cc\uff0c\u5f02\u6b65\u7f16\u7a0b\u662f\u5904\u7406\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u4efb\u52a1\uff08\u5982I\/O\u64cd\u4f5c\uff09\u7684\u5173\u952e\u6280\u672f\u3002Promise\u548casync\/aw<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>t\u662f\u73b0\u4ee3JavaScript\u4e2d\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u7684\u5f3a\u5927\u5de5\u5177\u3002\u638c\u63e1\u5b83\u4eec\u7684\u4f7f\u7528\uff0c\u80fd\u8ba9\u4f60\u7684\u5e94\u7528\u54cd\u5e94\u66f4\u5feb\uff0c\u7528\u6237\u4f53\u9a8c\u66f4\u6d41\u7545\u3002<\/p>\n<\/p>\n<p><h2>\u56db\u3001\u5b9e\u8df5\u9879\u76ee\u548c\u5b66\u4e60\u8d44\u6e90<\/h2>\n<\/p>\n<p><h3>\u7ec3\u624b\u9879\u76ee<\/h3>\n<\/p>\n<p><p>\u7406\u8bba\u4e0e\u5b9e\u8df5\u76f8\u7ed3\u5408\u662f\u5b66\u4e60\u7f16\u7a0b\u7684\u6700\u4f73\u65b9\u5f0f\u3002\u5f00\u59cb\u5c0f\u9879\u76ee\u5b9e\u8df5\uff0c\u5982\u5236\u4f5c\u4e00\u4e2a\u5f85\u529e\u4e8b\u9879\u5217\u8868\u3001\u4e00\u4e2a\u7b80\u5355\u7684\u535a\u5ba2\u7cfb\u7edf\u6216\u662f\u4e00\u4e2a\u5929\u6c14\u5e94\u7528\u7b49\uff0c\u53ef\u4ee5\u5e2e\u52a9\u521d\u5b66\u8005\u5de9\u56fa\u548c\u5e94\u7528\u6240\u5b66\u77e5\u8bc6\u3002<\/p>\n<\/p>\n<p><h3>\u5b66\u4e60\u8d44\u6e90<\/h3>\n<\/p>\n<p><p>\u4e92\u8054\u7f51\u4e0a\u6709\u4e30\u5bcc\u7684\u5b66\u4e60\u8d44\u6e90\uff0c\u5305\u62ec\u5b98\u65b9\u6587\u6863\u3001\u5728\u7ebf\u8bfe\u7a0b\u3001\u793e\u533a\u8ba8\u8bba\u7b49\u3002\u4f8b\u5982\uff0cMozilla Developer Network (MDN) \u63d0\u4f9b\u4e86\u5168\u9762\u7684JavaScript\u8d44\u6e90\uff0c\u662f\u5b66\u4e60\u7684\u597d\u53bb\u5904\u3002\u540c\u65f6\uff0c\u53c2\u4e0eGitHub\u5f00\u6e90\u9879\u76ee\uff0c\u9605\u8bfb\u522b\u4eba\u7684\u4ee3\u7801\uff0c\u4e5f\u662f\u63d0\u5347\u7f16\u7a0b\u6280\u80fd\u7684\u6709\u6548\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u603b\u4e4b\uff0c\u5bf9\u4e8eJavaScript\u521d\u5b66\u8005\u6765\u8bf4\uff0c\u6784\u5efa\u624e\u5b9e\u7684\u57fa\u7840\u77e5\u8bc6\u4f53\u7cfb\u3001\u6df1\u5165\u638c\u63e1\u6838\u5fc3\u6982\u5ff5\u3001\u5e76\u7ed3\u5408\u5b9e\u8df5\u7ecf\u9a8c\uff0c\u662f\u5feb\u901f\u6210\u957f\u7684\u5173\u952e\u3002\u5b66\u4e60\u7f16\u7a0b\u662f\u4e00\u6761\u5145\u6ee1\u6311\u6218\u4f46\u53c8\u6781\u5bcc\u6210\u5c31\u611f\u7684\u65c5\u7a0b\uff0c\u5e0c\u671b\u6bcf\u4f4d\u840c\u65b0\u90fd\u80fd\u5728\u8fd9\u6761\u8def\u4e0a\u8d70\u5f97\u8d8a\u6765\u8d8a\u8fdc\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>\u5982\u4f55\u5165\u95e8javascript\uff1f<\/strong><\/p>\n<ul>\n<li>\u5b66\u4e60javascript\u7684\u6700\u4f73\u9014\u5f84\u662f\u4ec0\u4e48\uff1f<\/li>\n<li>\u6709\u54ea\u4e9b\u63a8\u8350\u7684\u5b66\u4e60\u8d44\u6e90\u53ef\u4ee5\u5e2e\u52a9\u5165\u95e8javascript\uff1f<\/li>\n<li>\u5982\u4f55\u5feb\u901f\u638c\u63e1javascript\u7684\u57fa\u672c\u8bed\u6cd5\u548c\u6982\u5ff5\uff1f<\/li>\n<\/ul>\n<p><strong>\u5982\u4f55\u89e3\u51b3javascript\u76f8\u5173\u7684\u95ee\u9898\uff1f<\/strong><\/p>\n<ul>\n<li>\u9047\u5230javascript\u65b9\u9762\u7684\u95ee\u9898\u8be5\u5982\u4f55\u8c03\u8bd5\u548c\u89e3\u51b3\uff1f<\/li>\n<li>\u5982\u4f55\u67e5\u627ejavascript\u76f8\u5173\u7684\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\uff1f<\/li>\n<li>\u5728\u5904\u7406javascript\u95ee\u9898\u65f6\uff0c\u6709\u54ea\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u548c\u56f0\u60d1\u9700\u8981\u6ce8\u610f\uff1f<\/li>\n<\/ul>\n<p><strong>\u5982\u4f55\u63d0\u9ad8javascript\u7684\u7f16\u7a0b\u80fd\u529b\uff1f<\/strong><\/p>\n<ul>\n<li>\u9664\u4e86\u57fa\u672c\u8bed\u6cd5\u548c\u6982\u5ff5\u5916\uff0c\u6709\u54ea\u4e9b\u6280\u5de7\u53ef\u4ee5\u63d0\u5347javascript\u7684\u7f16\u7a0b\u80fd\u529b\uff1f<\/li>\n<li>\u5982\u4f55\u4f7f\u7528\u66f4\u9ad8\u7ea7\u7684js\u7279\u6027\u548c\u51fd\u6570\u6765\u7f16\u5199\u590d\u6742\u7684\u7a0b\u5e8f\uff1f<\/li>\n<li>\u638c\u63e1javascript\u7684\u8bbe\u8ba1\u6a21\u5f0f\u5bf9\u4e8e\u63d0\u9ad8\u7f16\u7a0b\u80fd\u529b\u6709\u4f55\u5e2e\u52a9\uff1f<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"\u5bf9\u4e8e\u6b63\u521a\u5165\u95e8JavaScript\u7684\u840c\u65b0\u6765\u8bf4\uff0c\u638c\u63e1\u8fd9\u95e8\u8bed\u8a00\u7684\u6838\u5fc3\u6982\u5ff5\u548c\u5b66\u4e60\u8def\u5f84\u662f\u975e\u5e38\u5173\u952e\u7684\u3002JavaScript [&hellip;]","protected":false},"author":3,"featured_media":160501,"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\/160495"}],"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=160495"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/160495\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/160501"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=160495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=160495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=160495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}