{"id":1468,"date":"2024-11-10T10:00:19","date_gmt":"2024-11-10T02:00:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1468\/"},"modified":"2024-11-10T10:00:19","modified_gmt":"2024-11-10T02:00:19","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8%e9%80%92%e5%bd%92%e9%81%8d%e5%8e%86-dom-%e6%a0%91%e5%b9%b6%e5%af%b9%e6%af%8f%e4%b8%aa%e5%ad%90%e5%85%83%e7%b4%a0%e6%89%a7%e8%a1%8c%e5%9b%9e%e8%b0%83%e5%87%bd","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1468\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u904d\u5386 DOM \u6811\u5e76\u5bf9\u6bcf\u4e2a\u5b50\u5143\u7d20\u6267\u884c\u56de\u8c03\u51fd\u6570\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173044301755953.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u904d\u5386 DOM \u6811\u5e76\u5bf9\u6bcf\u4e2a\u5b50\u5143\u7d20\u6267\u884c\u56de\u8c03\u51fd\u6570\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u904d\u5386 DOM \u6811\u5e76\u5bf9\u6bcf\u4e2a\u5b50\u5143\u7d20\u6267\u884c\u56de\u8c03\u51fd\u6570\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>js \u9762\u8bd5\u9898\uff1a\u904d\u5386 dom \u6811<\/strong><\/p>\n<p>\u7ed9\u5b9a\u4e00\u4e2a dom \u5143\u7d20 d_elem\uff0c\u8981\u6c42\u904d\u5386\u6240\u6709\u5b50\u5143\u7d20\uff08\u5305\u62ec\u5d4c\u5957\u7684\u5b50\u5143\u7d20\uff09\uff0c\u5e76\u5c06\u6bcf\u4e2a\u5b50\u5143\u7d20\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u3002<\/p>\n<p><strong>\u89e3\u6cd5\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) { console.log(el) });<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u8be5\u89e3\u51b3\u65b9\u6848\u91c7\u7528\u9012\u5f52\u7684\u65b9\u5f0f\u904d\u5386 dom \u6811\u3002<\/p>\n<ol>\n<li>\u68c0\u67e5\u5f53\u524d\u5143\u7d20\u662f\u5426\u6709\u5b50\u5143\u7d20\u3002\u5982\u679c\u6ca1\u6709\uff0c\u5219\u7ec8\u6b62\u9012\u5f52\u3002<\/li>\n<li>\u904d\u5386\u5f53\u524d\u5143\u7d20\u7684\u6240\u6709\u5b50\u5143\u7d20\uff0c\u5e76\u9012\u5f52\u5730\u8c03\u7528\u8be5\u51fd\u6570\u3002<\/li>\n<li>\u5728\u56de\u8c03\u51fd\u6570\u4e2d\u5904\u7406\u6bcf\u4e2a\u5b50\u5143\u7d20\u3002<\/li>\n<\/ol>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u904d\u5386 DOM \u6811\u5e76\u5bf9\u6bcf\u4e2a\u5b50\u5143\u7d20\u6267\u884c\u56de\u8c03\u51fd\u6570\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>js \u9762\u8bd5\u9898\uff1a\u904d\u5386 dom \u6811 \u7ed9\u5b9a\u4e00\u4e2a dom \u5143\u7d20 d_elem\uff0c\u8981\u6c42\u904d\u5386\u6240\u6709\u5b50\u5143\u7d20\uff08\u5305\u62ec\u5d4c\u5957\u7684\u5b50\u5143\u7d20\uff09\uff0c\u5e76\u5c06\u6bcf\u4e2a\u5b50\u5143\u7d20\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u3002 \u89e3\u6cd5\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 \u8be5\u89e3\u51b3\u65b9\u6848\u91c7\u7528\u9012\u5f52\u7684\u65b9\u5f0f\u904d\u5386 dom \u6811\u3002 \u68c0\u67e5\u5f53\u524d\u5143\u7d20\u662f\u5426\u6709\u5b50\u5143\u7d20\u3002\u5982\u679c\u6ca1\u6709\uff0c\u5219\u7ec8\u6b62\u9012\u5f52\u3002 \u904d\u5386\u5f53\u524d\u5143\u7d20\u7684\u6240\u6709\u5b50\u5143\u7d20\uff0c\u5e76\u9012\u5f52\u5730\u8c03\u7528\u8be5\u51fd\u6570\u3002 \u5728\u56de\u8c03\u51fd\u6570\u4e2d\u5904\u7406\u6bcf\u4e2a\u5b50\u5143\u7d20\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528\u9012\u5f52\u904d\u5386 DOM \u6811\u5e76\u5bf9\u6bcf\u4e2a\u5b50\u5143\u7d20\u6267\u884c\u56de\u8c03\u51fd\u6570\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-1468","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1468","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=1468"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1468\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1468"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1468"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1468"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}