针对您遇到的“cannot read property 'dataset' of null”错误,这个问题通常发生在尝试访问一个不存在的DOM元素的dataset属性时。以下是一些分析和解决步骤,旨在帮助您解决这个问题: 1. 确认错误信息来源和上下文 首先,确认这个错误是在哪个JavaScript文件或代码块中触发的。检查浏览器的控制台(Console)以获取更详细的堆...
Got an error bumping what-input from 5.2.3 to 5.2.4: Uncaught TypeError: Cannot read property 'dataset' of null At line: what-input/dist/what-input.js Line 118 in ec9a7d2 var shouldPersist = !(docElem.dataset.whatpersist || document.body...
Cannot read property 'dataset' of undefined;at pages/index/index page toDetail functionTypeError: Cannot read property 'dataset' of undefined 代码如下 toDetail: function (e) { console.log(e); var index = 1 index = e.currenTarget.dataset.index; console.log(index); } <view class='item-lis...
出现这个的原因 TypeError: Cannot read property 'dataset' of undefined ,目前没有解决Cannot read property 'dataset' of undefined;at pages/index/index page toDetail functionTypeError: Cannot read property 'dataset' of undefined 代码如下 toDetail: function (e) { console.log(e); var index = 1 ind...
最后研究他人demo:将demo导入开发工具,可以运行,对比代码没有太大出入,但是我的代码始始终报错。之后在我的工程中新建page,将demo代码移动过来, 还是报TypeError: Cannot read property 'node' of null。将我的代码移动到demo的工程里,居然可以运行成功。后来...
TypeError: cannot read property of 'use' undefined 5644 1 5 Uncaught TypeError: Cannot read property 'length' of undefined 2777 0 5 Uncaught (in promise) TypeError: Cannot read property 'data' of undefined 1083 0 3 Cannot read property 'config' of undefined 2243 0 2 TypeError:...
The error you are seeing, "Cannot read property 'dataset' of undefined", occurs because the event.detail.currentElement object is undefined or null, and you are trying to access its dataset property. To fix this error, you will need to make sure that the event.detail.currentE...
Unhandled Rejection (TypeError): Cannot read property ‘getAttribute‘ of null,程序员大本营,技术文章内容聚合第一站。
The error I'm encountering is this: TypeError: Cannot read property 'toLowerCase' of null at request (widgets.js?636098976505785356:5374) at E.(/anonymous function).O.findMatches [as _findMatches] (https://diensten-connect.tvm.nl/widgets/widgets.js?636098976505785356:5390:17) at Decorated...
今天打开页面的时候遇到个问题,Cannot read property 'addEventListener' of null 原因:在页面还没有加载完成后这段监听的js代码已经执行,所以在执行这段代码的时候监听的DOM节点还没有加载创建,所以根本就找不到监听的元素。所以返回null。 解决方法: 1.等待页面完全加载完了再加载这段Js即可; 2.在原生js中的解决...