{"id":53516,"date":"2024-12-03T13:11:54","date_gmt":"2024-12-03T05:11:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53516\/"},"modified":"2024-12-03T13:11:54","modified_gmt":"2024-12-03T05:11:54","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87%e5%bc%82%e6%ad%a5%e7%bc%96%e7%a8%8b%e4%b8%ad%e6%96%adjavascript%e4%b8%ad%e7%9a%84for%e5%be%aa%e7%8e%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53516\/","title":{"rendered":"\u5982\u4f55\u901a\u8fc7\u5f02\u6b65\u7f16\u7a0b\u4e2d\u65adJavaScript\u4e2d\u7684for\u5faa\u73af\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u5982\u4f55\u901a\u8fc7\u5f02\u6b65\u7f16\u7a0b\u4e2d\u65adJavaScript\u4e2d\u7684for\u5faa\u73af\uff1f<\/h1>\n<p>\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u5982\u4f55\u901a\u8fc7\u5f02\u6b65\u7f16\u7a0b\u4e2d\u65adJavaScript\u4e2d\u7684for\u5faa\u73af\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241201\/1733033560674bfe583c311.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u901a\u8fc7\u5f02\u6b65\u7f16\u7a0b\u4e2d\u65adJavaScript\u4e2d\u7684for\u5faa\u73af\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u901a\u8fc7\u5f02\u6b65\u7f16\u7a0b\u4e2d\u65adJavaScript\u4e2d\u7684for\u5faa\u73af\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4ece\u5916\u90e8\u4e2d\u65ad javascript \u4e2d\u7684 for \u5faa\u73af\u6267\u884c\uff1f<\/strong><\/p>\n<p>\u5728 javascript \u4e2d\uff0c\u5f53\u9700\u8981\u4ece\u5916\u90e8\u4e2d\u65ad for \u5faa\u73af\u7684\u6267\u884c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5f02\u6b65\u7f16\u7a0b\u7684\u65b9\u6cd5\u3002\u8fd9\u662f\u56e0\u4e3a javascript \u662f\u4e00\u79cd\u5355\u7ebf\u7a0b\u6267\u884c\u73af\u5883\uff0c\u8fd9\u610f\u5473\u7740\u540c\u6b65 for \u5faa\u73af\u65e0\u6cd5\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u4e2d\u65ad\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u8981\u5728\u5916\u90e8\u4e2d\u65ad for \u5faa\u73af\uff0c\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5f02\u6b65 for \u5faa\u73af\u3002\u4ee5\u4e0b\u662f\u5b9e\u73b0\u65b9\u6cd5\uff1a<\/p>\n<pre>async function asyncforloop(listlength) {\n  for (let i = 0; i &lt; listlength; i++) {\n    \/\/ \u6267\u884c\u5faa\u73af\u903b\u8f91\n    if (shouldbreak) {\n      return;\n    }\n  }\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u5f02\u6b65 for \u5faa\u73af\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 await \u8bed\u53e5\u6765\u6302\u8d77\u5faa\u73af\u7684\u6267\u884c\u3002shouldbreak \u662f\u4e00\u4e2a\u5168\u5c40\u6807\u5fd7\uff0c\u5f53\u5b83\u88ab\u8bbe\u7f6e\u4e3a true \u65f6\uff0c\u5faa\u73af\u5c06\u4e2d\u65ad\u3002<\/p>\n<p><strong>\u5916\u90e8\u4e2d\u65ad\uff1a<\/strong><\/p>\n<p>\u5728\u4e3b\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 settimeout() \u6216 setinterval() \u6765\u8bbe\u7f6e\u4e00\u4e2a\u5b9a\u65f6\u5668\uff0c\u5728\u4e00\u5b9a\u65f6\u95f4\u540e\u5c06 shouldbreak \u8bbe\u7f6e\u4e3a true\u3002\u8fd9\u6837\uff0c\u5faa\u73af\u5c06\u5728\u5916\u90e8\u4e2d\u65ad\u3002<\/p>\n<p><strong>\u4ee3\u7801\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>\/\/ \u5b9a\u4e49\u6807\u5fd7\u53d8\u91cf\nlet shouldBreak = false;\n\n\/\/ \u542f\u52a8\u5f02\u6b65 for \u5faa\u73af\nasyncForLoop(99999);\n\n\/\/ \u5916\u90e8\u4e2d\u65ad\uff1a3 \u79d2\u540e\u5c06\u6807\u5fd7\u8bbe\u7f6e\u4e3a true\nsetTimeout(function() {\n  shouldBreak = true;\n}, 3000);<\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300a\u5982\u4f55\u901a\u8fc7\u5f02\u6b65\u7f16\u7a0b\u4e2d\u65adJavaScript\u4e2d\u7684for\u5faa\u73af\uff1f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   win10\u600e\u4e48\u8bbe\u7f6e\u5de5\u4f5c\u7ec4\u540d\u79f0 win10\u7cfb\u7edf\u8bbe\u7f6e\u5de5\u4f5c\u7ec4\u540d\u65b9\u6cd5\u4ecb\u7ecd\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u901a\u8fc7\u5f02\u6b65\u7f16\u7a0b\u4e2d\u65adJavaScript\u4e2d\u7684for\u5faa\u73af\uff1f \u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6587\u7ae0\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u5982\u4f55\u901a\u8fc7\u5f02\u6b65\u7f16\u7a0b\u4e2d\u65adJavaScript\u4e2d\u7684for\u5faa\u73af\uff1f\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~ \u5982\u4f55\u4ece\u5916\u90e8\u4e2d\u65ad javascript \u4e2d\u7684 for \u5faa\u73af\u6267\u884c\uff1f \u5728 javascript \u4e2d\uff0c\u5f53\u9700\u8981\u4ece\u5916\u90e8\u4e2d\u65ad for \u5faa\u73af\u7684\u6267\u884c\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5f02\u6b65\u7f16\u7a0b\u7684\u65b9\u6cd5\u3002\u8fd9\u662f\u56e0\u4e3a javascript \u662f\u4e00\u79cd\u5355\u7ebf\u7a0b\u6267\u884c\u73af\u5883\uff0c\u8fd9\u610f\u5473\u7740\u540c\u6b65 for \u5faa\u73af\u65e0\u6cd5\u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\u4e2d\u65ad\u3002 \u89e3\u51b3\u65b9\u6848\uff1a \u8981\u5728\u5916\u90e8\u4e2d\u65ad for \u5faa\u73af\uff0c\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5f02\u6b65 for \u5faa\u73af\u3002\u4ee5\u4e0b\u662f\u5b9e\u73b0\u65b9\u6cd5\uff1a async function asyncforloop(listlength) { for (let i = 0; i &lt; listlength; i++) { \/\/ \u6267\u884c\u5faa\u73af\u903b\u8f91 if (shouldbreak) { return; } } } \u5728\u8fd9\u4e2a\u5f02\u6b65 for \u5faa\u73af\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 await \u8bed\u53e5\u6765\u6302\u8d77\u5faa\u73af\u7684\u6267\u884c\u3002shouldbreak \u662f\u4e00\u4e2a\u5168\u5c40\u6807\u5fd7\uff0c\u5f53\u5b83\u88ab\u8bbe\u7f6e\u4e3a true \u65f6\uff0c\u5faa\u73af\u5c06\u4e2d\u65ad\u3002 \u5916\u90e8\u4e2d\u65ad\uff1a \u5728\u4e3b\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-53516","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=53516"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53516\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}