{"id":31380,"date":"2024-11-25T14:12:52","date_gmt":"2024-11-25T06:12:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31380\/"},"modified":"2024-11-25T14:12:52","modified_gmt":"2024-11-25T06:12:52","slug":"js%e5%be%aa%e7%8e%afnodelist-dom%e5%88%97%e8%a1%a8%e7%9a%844%e7%a7%8d%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31380\/","title":{"rendered":"JS\u5faa\u73afNodelist Dom\u5217\u8868\u76844\u79cd\u65b9\u5f0f"},"content":{"rendered":"<p style=\"text-align: left\">\u8fd9\u6b21\u7ed9\u5927\u5bb6\u5e26\u6765JS\u5faa\u73afNodelist Dom\u5217\u8868\u76844\u79cd\u65b9\u5f0f\uff0cJS\u5faa\u73afNodelist Dom\u5217\u8868\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\">\u672c\u6587\u5b9e\u4f8b\u8bb2\u8ff0\u4e86\u539f\u751fJS\u5b9e\u73b0\u5faa\u73afNodelist Dom\u5217\u8868\u76844\u79cd\u65b9\u5f0f\u3002\u5206\u4eab\u7ed9\u5927\u5bb6\u4f9b\u5927\u5bb6\u53c2\u8003\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n<pre>function $(id) {\r\n return document.getElementById(id);\r\n}\r\nvar _PAGE = {\r\n timeListDom: $('timeList')\r\n};\r\nvar spanDoms = _PAGE.timeListDom.querySelectorAll('span'), domLen = spanDoms.length;\r\n\/\/ \u7b2c\u4e00\u79cd\u65b9\u5f0f\uff1a\u539f\u751ffor\u5faa\u73af\r\nfor (var i = 0; i &lt; domLen; i++) {\r\n var v = spanDoms[i];\r\n \/\/ do something you want deal with DOM\r\n}\r\n\/\/ \u7b2c\u4e8c\u79cd\u65b9\u5f0f\uff1aArray \u7684 forEach\u51fd\u6570\r\nArray.prototype.forEach.call(spanDoms, function(v) {\r\n \/\/ do something you want deal with DOM\r\n});\r\n\/\/ \u7b2c\u4e09\u79cd\u65b9\u5f0f\uff1aArray \u7684 forEach\u51fd\u6570\r\n[].forEach.call(spanDoms, function(el) {\r\n \/\/ do something you want deal with DOM\r\n el.classList.remove('active');\r\n});\r\n\/\/ \u7b2c\u56db\u79cd\u65b9\u5f0f\uff1a\u7ee7\u627fArray \u7684 forEach\u51fd\u6570\r\nNodeList.prototype.forEach = Array.prototype.forEach;\r\nspanDoms.forEach(function(v) {\r\n \/\/ do something you want deal with DOM\r\n});<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/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>\n<ul><\/ul>\n<p> <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJS\u5faa\u73afNodelist Dom\u5217\u8868\u76844\u79cd\u65b9\u5f0f\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\u6765JS\u5faa\u73afNodelist Dom\u5217\u8868\u76844\u79cd\u65b9\u5f0f\uff0cJS\u5faa\u73afNodelist Dom\u5217\u8868\u7684\u6709\u54ea\u4e9b\uff0c\u4e0b\u9762\u5c31\u662f\u5b9e\u6218\u6848\u4f8b\uff0c\u4e00\u8d77\u6765\u770b\u4e00\u4e0b\u3002 \u672c\u6587\u5b9e\u4f8b\u8bb2\u8ff0\u4e86\u539f\u751fJS\u5b9e\u73b0\u5faa\u73afNodelist Dom\u5217\u8868\u76844\u79cd\u65b9\u5f0f\u3002\u5206\u4eab\u7ed9\u5927\u5bb6\u4f9b\u5927\u5bb6\u53c2\u8003\uff0c\u5177\u4f53\u5982\u4e0b\uff1a function $(id) { return document.getElementById(id); } var _PAGE = { timeListDom: $(&#8216;timeList&#8217;) }; var spanDoms = _PAGE.timeListDom.querySelectorAll(&#8216;span&#8217;), domLen = spanDoms.length; \/\/ \u7b2c\u4e00\u79cd\u65b9\u5f0f\uff1a\u539f\u751ffor\u5faa\u73af for (var i = 0; i &lt; domLen; i++) { var v = spanDoms[i]; \/\/ do something you want deal with DOM } \/\/ \u7b2c\u4e8c\u79cd\u65b9\u5f0f\uff1aArray \u7684 forEach\u51fd\u6570 Array.prototype.forEach.call(spanDoms, [&hellip;]<\/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-31380","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31380","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=31380"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31380\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=31380"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=31380"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=31380"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}