{"id":31505,"date":"2024-11-25T08:17:59","date_gmt":"2024-11-25T00:17:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31505\/"},"modified":"2024-11-25T08:17:59","modified_gmt":"2024-11-25T00:17:59","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8js%e7%bb%9f%e8%ae%a1%e9%a1%b5%e9%9d%a2%e6%a0%87%e7%ad%be%e6%95%b0%e9%87%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31505\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528js\u7edf\u8ba1\u9875\u9762\u6807\u7b7e\u6570\u91cf"},"content":{"rendered":"<p style=\"text-align: left\">\u8fd9\u6b21\u7ed9\u5927\u5bb6\u5e26\u6765\u5982\u4f55\u4f7f\u7528js\u7edf\u8ba1\u9875\u9762\u6807\u7b7e\u6570\u91cf\uff0c\u4f7f\u7528js\u7edf\u8ba1\u9875\u9762\u6807\u7b7e\u6570\u91cf\u7684\u6709\u54ea\u4e9b\uff0c\u4e0b\u9762\u5c31\u662f\u5b9e\u6218\u6848\u4f8b\uff0c\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u3002<\/p>\n<p style=\"text-align: left\">\u5177\u4f53\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>function fold(node){\r\n      var map = new Map();\r\n      map.set(node.tagName,1);\r\n      [].reduce.call(node.children,(acc,child)=&gt;{\r\n        deal(acc,fold(child));\r\n        return acc\r\n      },map)\r\n      return map\r\n    }\r\n    function deal(srcMap,tarMap){\r\n      tarMap.forEach((value,tagName)=&gt;{\r\n        var newV = value + ~~srcMap.get(tagName);\r\n        srcMap.set(tagName,newV);\r\n      })\r\n    }<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p style=\"text-align: left\">\u8c03\u7528<\/p>\n<p style=\"text-align: left\"><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/061\/021\/3a6e041e8cf1d0b460b1c31d2d9ee69f-0.png\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528js\u7edf\u8ba1\u9875\u9762\u6807\u7b7e\u6570\u91cf\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528js\u7edf\u8ba1\u9875\u9762\u6807\u7b7e\u6570\u91cf\u63d2\u56fe\" \/><\/p>\n<p>\u76f8\u4fe1\u770b\u4e86\u672c\u6587\u6848\u4f8b\u4f60\u5df2\u7ecf\u638c\u63e1\u4e86\u65b9\u6cd5\uff0c\u66f4\u591a\u7cbe\u5f69\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n<p>\u63a8\u8350\u9605\u8bfb\uff1a<\/p>\n<p><\/p>\n<p><\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528js\u7edf\u8ba1\u9875\u9762\u6807\u7b7e\u6570\u91cf\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":"<p>\u8fd9\u6b21\u7ed9\u5927\u5bb6\u5e26\u6765\u5982\u4f55\u4f7f\u7528js\u7edf\u8ba1\u9875\u9762\u6807\u7b7e\u6570\u91cf\uff0c\u4f7f\u7528js\u7edf\u8ba1\u9875\u9762\u6807\u7b7e\u6570\u91cf\u7684\u6709\u54ea\u4e9b\uff0c\u4e0b\u9762\u5c31\u662f\u5b9e\u6218\u6848\u4f8b\uff0c\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u3002 \u5177\u4f53\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a function fold(node){ var map = new Map(); map.set(node.tagName,1); [].reduce.call(node.children,(acc,child)=&gt;{ deal(acc,fold(child)); return acc },map) return map } function deal(srcMap,tarMap){ tarMap.forEach((value,tagName)=&gt;{ var newV = value + ~~srcMap.get(tagName); srcMap.set(tagName,newV); }) } \u767b\u5f55\u540e\u590d\u5236 \u8c03\u7528 \u76f8\u4fe1\u770b\u4e86\u672c\u6587\u6848\u4f8b\u4f60\u5df2\u7ecf\u638c\u63e1\u4e86\u65b9\u6cd5\uff0c\u66f4\u591a\u7cbe\u5f69\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01 \u63a8\u8350\u9605\u8bfb\uff1a \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528js\u7edf\u8ba1\u9875\u9762\u6807\u7b7e\u6570\u91cf\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-31505","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31505","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=31505"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31505\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=31505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=31505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=31505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}