{"id":1966,"date":"2024-11-10T12:20:07","date_gmt":"2024-11-10T04:20:07","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1966\/"},"modified":"2024-11-10T12:20:07","modified_gmt":"2024-11-10T04:20:07","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-for-%e5%be%aa%e7%8e%af%e9%81%8d%e5%8e%86-javascript-%e6%95%b0%e7%bb%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1966\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 for \u5faa\u73af\u904d\u5386 JavaScript \u6570\u7ec4\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528<\/p>\n

javascript \u6570\u7ec4\u904d\u5386<\/strong><\/p>\n

javascript \u5141\u8bb8\u6211\u4eec\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u904d\u5386\u6570\u7ec4\u3002\u672c\u6587\u5c06\u6f14\u793a\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u4e4b\u4e00\uff1afor \u5faa\u73af\u3002<\/p>\n

for \u5faa\u73af\u904d\u5386<\/strong><\/p>\n

\u5728\u63d0\u4f9b\u7684\u4ee3\u7801\u6bb5\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 for \u5faa\u73af\u6765\u904d\u5386 list \u6570\u7ec4\u3002\u5faa\u73af\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

for (var i = 0; i < list.length; i++) {\n  \/\/ \u5faa\u73af\u4f53\u4ee3\u7801\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \n
  • var i = 0\uff1a\u5faa\u73af\u53d8\u91cf i \u521d\u59cb\u5316\u4e3a 0\uff0c\u8868\u793a\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n
  • i <\/li>\n
  • i++\uff1a\u6bcf\u6b21\u5faa\u73af\u8fed\u4ee3\u65f6\uff0ci \u90fd\u4f1a\u589e\u52a0 1\uff0c\u79fb\u5230\u6570\u7ec4\u7684\u4e0b\u4e00\u4e2a\u5143\u7d20\u3002<\/li>\n
  • \u5faa\u73af\u4f53\u4ee3\u7801\uff1a\u6bcf\u6b21\u8fed\u4ee3\u90fd\u4f1a\u6267\u884c\u5faa\u73af\u4f53\u5185\u7684\u4ee3\u7801\uff0c\u901a\u5e38\u7528\u4e8e\u8bbf\u95ee\u6216\u5904\u7406\u6570\u7ec4\u5143\u7d20\u3002<\/li>\n<\/ul>\n
    \u793a\u4f8b<\/strong><\/p>\n
    var List = ['one', 'two', 'three'];\n\nfor (var i = 0; i < List.length; i++) {\n  alert(List[i]); \/\/ \u8bbf\u95ee\u5e76\u663e\u793a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u6b64\u4ee3\u7801\u5c06\u5f39\u51fa\u4e09\u4e2a\u8b66\u62a5\u6846\uff0c\u663e\u793a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a”one”\u3001”two” \u548c “three”\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 for \u5faa\u73af\u904d\u5386 JavaScript \u6570\u7ec4\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    javascript \u6570\u7ec4\u904d\u5386 javascript \u5141\u8bb8\u6211\u4eec\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u904d\u5386\u6570\u7ec4\u3002\u672c\u6587\u5c06\u6f14\u793a\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u4e4b\u4e00\uff1afor \u5faa\u73af\u3002 for \u5faa\u73af\u904d\u5386 \u5728\u63d0\u4f9b\u7684\u4ee3\u7801\u6bb5\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 for \u5faa\u73af\u6765\u904d\u5386 list \u6570\u7ec4\u3002\u5faa\u73af\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b for (var i = 0; i < list.length; i++) { \/\/ \u5faa\u73af\u4f53\u4ee3\u7801 } \u767b\u5f55\u540e\u590d\u5236 var i = 0\uff1a\u5faa\u73af\u53d8\u91cf i \u521d\u59cb\u5316\u4e3a 0\uff0c\u8868\u793a\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u3002 i i++\uff1a\u6bcf\u6b21\u5faa\u73af\u8fed\u4ee3\u65f6\uff0ci \u90fd\u4f1a\u589e\u52a0 1\uff0c\u79fb\u5230\u6570\u7ec4\u7684\u4e0b\u4e00\u4e2a\u5143\u7d20\u3002 \u5faa\u73af\u4f53\u4ee3\u7801\uff1a\u6bcf\u6b21\u8fed\u4ee3\u90fd\u4f1a\u6267\u884c\u5faa\u73af\u4f53\u5185\u7684\u4ee3\u7801\uff0c\u901a\u5e38\u7528\u4e8e\u8bbf\u95ee\u6216\u5904\u7406\u6570\u7ec4\u5143\u7d20\u3002 \u793a\u4f8b var List = [‘one’, ‘two’, ‘three’]; for (var i = 0; i < List.length; i++) […]<\/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-1966","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1966","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=1966"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1966\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1966"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}