1. 获取html dom,然后遍历dom时,报错 list .forEach is not a function function removeImg(){ var list=document.getElementsByTagName("img"); list = Array.from(list); list.forEach((element, index) => {element.remove(); }); }
1. 获取html dom,然后遍历dom时,报错 list .forEach is not a function functionremoveImg(){varlist=document.getElementsByTagName("img"); list =Array.from(list); list.forEach((element, index) =>{element.remove(); }); } 2. 解决办法: 加上一行代码 list = Array.from(list); Array.from()...
parent.children.forEach(child=>{ console.log(child) }) 运行后出现以下错误: VM384:53 Uncaught TypeError: parent.children.forEach is not a function 问题原因: parent.childrenisNodeList类型, 类似Array的object: 包含lengthproperty, which indicates the number of nodes Each node is a property value wi...
Uncaught (in promise) TypeError: list2.forEach is not a function 问题出现的环境背景及自己尝试过哪些方法 相关代码 function renderCnxh(list2 = []) { // const item1 = list[0]; const jp3Warper = document.querySelector(".Wonderful--WonderfulBottom--e1G-ks7"); let cnxhHtml = ""; lis...
keys.forEach(function(key){ html += val[key]; }); html += "</div>" }); $(".realquote").html(html); }); }); }); 但每次,我都会收到错误:TypeError: data.forEach is not a function”,我不知道为什么。 如果有人能将我推向正确的方向,将不胜感激!
forEachfunction. 1index.html:20 Uncaught TypeError: listItems.forEach is not a function Replicating the issue Before jumping into the solutions, let's replicate the issue. Scenario 1 Consider the below code: 1<!DOCTYPEhtml> 2<htmllang="en"> ...
There are four areas in the this code where the following throws a forEach. It is not a function because parent.children is not an array. Instead, it is an HTMLCollection and as such doesn't have forEach method. obj[that.children].forEac...
Array.prototype.forEach =function(callback, thisArg) { var T, k; if (this ==null) { thrownew TypeError(" this is null or not defined"); } var O = Object(this); var len = O.length >>> 0;// Hack to convert O.length to a UInt32 ...
forEachCustom = function (fn, context) { context = context || arguments[1]; if (typeof fn !== 'function') { throw new TypeError(fn + 'is not a function'); } let len = this.length; let k = 0; while (k < len) { if (this.hasOwnProperty(k)) { fn.call(context, this[k...
Array.prototype.forEachCustom = function (fn, context) { context = context || arguments[1]; if (typeof fn !== 'function') { throw new TypeError(fn + 'is not a function'); } for (let i = 0; i < this.length; i++) { ...