{"id":52504,"date":"2024-12-03T08:45:41","date_gmt":"2024-12-03T00:45:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52504\/"},"modified":"2024-12-03T08:45:41","modified_gmt":"2024-12-03T00:45:41","slug":"javascript-%e6%9e%84%e9%80%a0%e5%87%bd%e6%95%b0%e4%b8%ad%e6%96%b9%e6%b3%95%e5%ae%9a%e4%b9%89%e4%b8%ba%e4%bd%95%e6%97%a0%e6%b3%95%e8%a2%ab%e8%b0%83%e7%94%a8%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52504\/","title":{"rendered":"JavaScript \u6784\u9020\u51fd\u6570\u4e2d\u65b9\u6cd5\u5b9a\u4e49\u4e3a\u4f55\u65e0\u6cd5\u88ab\u8c03\u7528\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

JavaScript \u6784\u9020\u51fd\u6570\u4e2d\u65b9\u6cd5\u5b9a\u4e49\u4e3a\u4f55\u65e0\u6cd5\u88ab\u8c03\u7528\uff1f <\/h1>\n

\u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300aJavaScript \u6784\u9020\u51fd\u6570\u4e2d\u65b9\u6cd5\u5b9a\u4e49\u4e3a\u4f55\u65e0\u6cd5\u88ab\u8c03\u7528\uff1f \u300b<\/span>\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n

\"JavaScript<\/p>\n

js \u5927\u4f6c\u4e0d\u61c2\u4e3a\u5565\u539f\u56e0\u4e4b a \u5bf9\u8c61\u7684 b \u65b9\u6cd5<\/strong><\/p>\n

\u7f51\u53cb\u63d0\u95ee\uff1a<\/p>\n

\u5728 html5 \u4e2d\u4f7f\u7528 jquery \u65f6\u9047\u5230\u4e86\u95ee\u9898\uff0c\u5982\u4e0b\u4ee3\u7801\u6240\u793a\uff1a<\/p>\n

<script>\n$(function() {\n  var temp = new a();\n  temp.b();\n})\nvar a = function() {\n  var b = function() {\n    alert(1);\n  }\n}\n<\/script><\/pre>\n
\u7136\u800c\uff0c\u8fd0\u884c\u4ee3\u7801\u65f6\u5374\u62a5\u9519\u3002\u8bf7\u95ee\u539f\u56e0\u662f\u4ec0\u4e48\uff1f<\/p>\n
\u56de\u7b54\uff1a<\/strong><\/p>\n
\u95ee\u9898\u51fa\u5728\u5bf9 a \u6784\u9020\u51fd\u6570\u7684\u5b9a\u4e49\u4e0a\u3002\u6b63\u786e\u5199\u6cd5\u5982\u4e0b\uff1a<\/p>\n
var a = function() {\n  this.b = function() {\n    alert(1);\n  };\n};<\/pre>\n
\u5728\u4f60\u7684\u5199\u6cd5\u4e2d\uff0cb \u51fd\u6570\u5e76\u6ca1\u6709\u7ed1\u5b9a\u5230 a \u5bf9\u8c61\u4e0a\uff0c\u800c\u4ec5\u4ec5\u5728 a \u51fd\u6570\u5185\u90e8\u5b9a\u4e49\u4e86\u3002\u56e0\u6b64\uff0c\u5b9e\u4f8b\u5316 a \u540e\uff0c\u65e0\u6cd5\u901a\u8fc7 temp.b() \u8c03\u7528 b \u51fd\u6570\u3002<\/p>\n
\u539f\u7406\u89e3\u91ca\uff1a<\/strong><\/p>\n
\u5728 javascript \u4e2d\uff0c\u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7\u6784\u9020\u51fd\u6570\u521b\u5efa\u3002\u6784\u9020\u51fd\u6570\u7684\u4f5c\u7528\u662f\u4e3a\u5bf9\u8c61\u521b\u5efa\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u5728\u4f60\u7684\u6848\u4f8b\u4e2d\uff0ca \u51fd\u6570\u662f\u4e00\u4e2a\u6784\u9020\u51fd\u6570\uff0c\u5b83\u5b9a\u4e49\u4e86 b \u5c5e\u6027\uff0c\u4f46\u6ca1\u6709\u5c06\u5176\u4e0e a \u5bf9\u8c61\u5173\u8054\u8d77\u6765\u3002<\/p>\n
\u8981\u6b63\u786e\u7ed1\u5b9a\u65b9\u6cd5\uff0c\u9700\u8981\u4f7f\u7528 this \u5173\u952e\u5b57\u3002this \u5173\u952e\u5b57\u6307\u5411\u5f53\u524d\u5bf9\u8c61\uff0c\u56e0\u6b64 this.b \u8868\u793a\u5f53\u524d\u5bf9\u8c61\uff08\u5373 a \u5bf9\u8c61\uff09\u7684 b \u65b9\u6cd5\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300aJavaScript \u6784\u9020\u51fd\u6570\u4e2d\u65b9\u6cd5\u5b9a\u4e49\u4e3a\u4f55\u65e0\u6cd5\u88ab\u8c03\u7528\uff1f \u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n
\n
<\/dt>\n
\n   \u5982\u4f55\u4f7f\u7528\u7535\u8111\u67e5\u627eIP\u5730\u5740\uff1f\u8be6\u7ec6\u6307\u5357\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
JavaScript \u6784\u9020\u51fd\u6570\u4e2d\u65b9\u6cd5\u5b9a\u4e49\u4e3a\u4f55\u65e0\u6cd5\u88ab\u8c03\u7528\uff1f \u201c\u7eb5\u6709\u75be\u98ce\u6765\uff0c\u4eba\u751f\u4e0d\u8a00\u5f03\u201d\uff0c\u8fd9\u53e5\u8bdd\u9001\u7ed9\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\u7684\u670b\u53cb\u4eec\uff0c\u4e5f\u5e0c\u671b\u5728\u9605\u8bfb\u672c\u6587\u300aJavaScript \u6784\u9020\u51fd\u6570\u4e2d\u65b9\u6cd5\u5b9a\u4e49\u4e3a\u4f55\u65e0\u6cd5\u88ab\u8c03\u7528\uff1f \u300b\u540e\uff0c\u80fd\u591f\u771f\u7684\u5e2e\u52a9\u5230\u5927\u5bb6\u3002\u6211\u4e5f\u4f1a\u5728\u540e\u7eed\u7684\u6587\u7ae0\u4e2d\uff0c\u9646\u7eed\u66f4\u65b0\u6587\u7ae0\u76f8\u5173\u7684\u6280\u672f\u6587\u7ae0\uff0c\u6709\u597d\u7684\u5efa\u8bae\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u975e\u5e38\u611f\u8c22\uff01 js \u5927\u4f6c\u4e0d\u61c2\u4e3a\u5565\u539f\u56e0\u4e4b a \u5bf9\u8c61\u7684 b \u65b9\u6cd5 \u7f51\u53cb\u63d0\u95ee\uff1a \u5728 html5 \u4e2d\u4f7f\u7528 jquery \u65f6\u9047\u5230\u4e86\u95ee\u9898\uff0c\u5982\u4e0b\u4ee3\u7801\u6240\u793a\uff1a <script> $(function() { var temp = new a(); temp.b(); }) var a = function() { var b = function() { alert(1); } } <\/script> \u7136\u800c\uff0c\u8fd0\u884c\u4ee3\u7801\u65f6\u5374\u62a5\u9519\u3002\u8bf7\u95ee\u539f\u56e0\u662f\u4ec0\u4e48\uff1f \u56de\u7b54\uff1a \u95ee\u9898\u51fa\u5728\u5bf9 a \u6784\u9020\u51fd\u6570\u7684\u5b9a\u4e49\u4e0a\u3002\u6b63\u786e\u5199\u6cd5\u5982\u4e0b\uff1a var a = function() { this.b = function() { […]<\/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-52504","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52504","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=52504"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52504\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}