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. 2. 3. 4. 5. 6. 7. 2. 解决办法: 加上一行代码 l...
console.log(parent.children) 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 ...
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()...
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...
elements.forEach((el) => { el.disabled = true }) 但我得到了TypeError: elements.forEach is not a function 奇怪的是,如果我console.log(elements)在 Chrome 开发控制台中,它就像一个带有一堆input对象的数组。它不显示对象的Object表示法,并且所有键都是整数。我在想这是某种伪数组,但我什至不知道如何...
The reason why the error happens is that you are trying to call .forEach function on something which is not an array, Map, or Set. So how do we iterate them then? We will solve them based on the scenario.Scenario 1Any getElementsBy* (getElementsByTagName,getElementsByClassName, etc) ...
Array.prototype.forEach = function forEach(callback, thisArg) { var T, k; if (this == null) { throw new TypeError("this is null or not defined"); } var O = Object(this); var len = O.length >>> 0; if (typeof callback !== "function") { ...
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!
,forEach一拍胸脯说:“没问题,包在我身上。”于是forEach找来了myFunction,对fruits说:“兄弟,事情成了!这是我兄弟,办事靠谱!不过,你得意思意思……”,fruits陪着笑脸说:“那当然,要什么都行,只要是我有的。”于是forEach转头对myFunction说:“兄弟,要啥你尽管开口,包在fruits身上,即使要他把传家宝三件套都...
这是我的代码片段,程序没有进入foreach循环: 代码语言:javascript 运行 AI代码解释 varct=newArray();ct["me"]={"name":"Jakub"};ct["you"]={"name":"stack"};ct.forEach(function(c){document.getElementById("tmp").appendChild(document.createTextNode(c));}); ...