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...
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()...
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...
在JavaScript中,forEach是一个数组方法,用于遍历数组中的每个元素并执行指定的回调函数。如果尝试在一个非数组类型的变量(如对象、数字、字符串或undefined等)上调用forEach方法,就会抛出TypeError: data.forEach is not a function的错误。 解决方法 检查变量类型: 确保你正在调用forEach的变量是一个数组。可以使用Arr...
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!
list2.forEach(item2 =>这行代码报错为Uncaught (in promise) TypeError: list2.forEach is not a function
forEach is not a function 问题描述 在写一个递归方法后发现一个问题,该递归方法在一个watch监听字段中调用,于是就报了如下错误: Errorincallbackforwatcher'filterTxt'. list.forEachisnotafunction 问题解决 第一个callback的问题可能是监听世间延迟的问题,可以在watch中调用方法的地方使用setTimeout解决。
代码语言:javascript 代码运行次数:0 运行 AI代码解释 let obj = { name: "hello", age: 22, gender: 0 } obj.forEach((value, key, oriObj)=>{ console.log("输出:", value, key); }) //console输出如下: /*VM978:6 Uncaught TypeError: obj.forEach is not a function at <anonymous>:6:5...
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...
this.isListReachEnd = false; } }) ) .padding(20) .scrollBar(BarState.Off) } .width('100%') .height('100%') .backgroundColor(0xF1F3F5) } } @Component struct ArticleCard { // in low version, DevEco may throw a warning, but it does not matter. // you can still...