{"id":1371,"date":"2024-11-10T09:31:36","date_gmt":"2024-11-10T01:31:36","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1371\/"},"modified":"2024-11-10T09:31:36","modified_gmt":"2024-11-10T01:31:36","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e9%80%92%e5%bd%92%e5%87%bd%e6%95%b0%e9%81%8d%e5%8e%86-dom-%e5%85%83%e7%b4%a0%e5%8f%8a%e5%85%b6%e5%ad%90%e5%85%83%e7%b4%a0%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1371\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u904d\u5386 DOM \u5143\u7d20\u53ca\u5176\u5b50\u5143\u7d20\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173038247959663.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u904d\u5386 DOM \u5143\u7d20\u53ca\u5176\u5b50\u5143\u7d20\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u904d\u5386 DOM \u5143\u7d20\u53ca\u5176\u5b50\u5143\u7d20\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u9012\u5f52\u904d\u5386 dom \u5143\u7d20\u53ca\u5176\u5b50\u5143\u7d20<\/strong><\/p>\n<p>\u5728 javascript \u4e2d\u5b9e\u73b0\u4e00\u4e2a\u9012\u5f52\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u904d\u5386\u7ed9\u5b9a\u7684 dom \u5143\u7d20 d_elem \u53ca\u5176\u6240\u6709\u5b50\u5143\u7d20\uff0c\u5e76\u5bf9\u6bcf\u4e2a\u5b50\u5143\u7d20\u8c03\u7528\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<pre>function recursive(el, callback) {\n  if (el.childNodes) return;\n  for (var elIndex in el.childNodes) {\n    recursive(el.childNodes[elIndex], callback);\n    callback(el.childNodes[elIndex]);\n  }\n}\n\nrecursive(document.body, function(el) {\n  console.log(el);\n});<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8fd9\u4e2a\u9012\u5f52\u51fd\u6570\u904d\u5386\u7ed9\u5b9a\u7684 dom \u5143\u7d20\u53ca\u5176\u6240\u6709\u5b50\u5143\u7d20\uff0c\u5e76\u5c06\u6bcf\u4e2a\u5b50\u5143\u7d20\u4f20\u9012\u7ed9\u56de\u8c03\u51fd\u6570\u3002\u56de\u8c03\u51fd\u6570\u53ef\u4ee5\u5728\u6bcf\u4e2a\u5b50\u5143\u7d20\u4e0a\u6267\u884c\u6240\u9700\u7684\u5904\u7406\uff0c\u4f8b\u5982\u6253\u5370\u5143\u7d20\u3001\u4fee\u6539\u5176\u6837\u5f0f\u7b49\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u904d\u5386 DOM \u5143\u7d20\u53ca\u5176\u5b50\u5143\u7d20\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":"<p>\u9012\u5f52\u904d\u5386 dom \u5143\u7d20\u53ca\u5176\u5b50\u5143\u7d20 \u5728 javascript \u4e2d\u5b9e\u73b0\u4e00\u4e2a\u9012\u5f52\u51fd\u6570\uff0c\u8be5\u51fd\u6570\u904d\u5386\u7ed9\u5b9a\u7684 dom \u5143\u7d20 d_elem \u53ca\u5176\u6240\u6709\u5b50\u5143\u7d20\uff0c\u5e76\u5bf9\u6bcf\u4e2a\u5b50\u5143\u7d20\u8c03\u7528\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u3002 \u89e3\u51b3\u65b9\u6848\uff1a function recursive(el, callback) { if (el.childNodes) return; for (var elIndex in el.childNodes) { recursive(el.childNodes[elIndex], callback); callback(el.childNodes[elIndex]); } } recursive(document.body, function(el) { console.log(el); }); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u4e2a\u9012\u5f52\u51fd\u6570\u904d\u5386\u7ed9\u5b9a\u7684 dom \u5143\u7d20\u53ca\u5176\u6240\u6709\u5b50\u5143\u7d20\uff0c\u5e76\u5c06\u6bcf\u4e2a\u5b50\u5143\u7d20\u4f20\u9012\u7ed9\u56de\u8c03\u51fd\u6570\u3002\u56de\u8c03\u51fd\u6570\u53ef\u4ee5\u5728\u6bcf\u4e2a\u5b50\u5143\u7d20\u4e0a\u6267\u884c\u6240\u9700\u7684\u5904\u7406\uff0c\u4f8b\u5982\u6253\u5370\u5143\u7d20\u3001\u4fee\u6539\u5176\u6837\u5f0f\u7b49\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u51fd\u6570\u904d\u5386 DOM \u5143\u7d20\u53ca\u5176\u5b50\u5143\u7d20\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},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-1371","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1371","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=1371"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1371\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}