vue ui出现cannot set property ‘context’ of null 项目场景: 问题描述: vue ui出现cannot setproperty ‘context’ of null 原因分析: 1、nodejs版本过低,建议更换10.0以上 2、vue-cli使用vue ui 需要3.6版本及其以上 3、npm的版本过低 解决...
vuecli项目,cannot read property 'vue' of undefined 3 回答4.1k 阅读✓ 已解决 vue init webpack 项目报错 Cannot read property 'transforms' of null 2.9k 阅读 getAttribute()提示Cannot set property 'id' of undefined 1 回答2.8k 阅读✓ 已解决 vue-cli3创建的项目在ios9下点击事件失效 1.6k 阅读...
这里可参考：https://developers.weixin.qq.com/miniprogram/dev/api/wxml/wx.createSelectorQuery.html ...
I got some code like this index.js export function makeEl(){ console.log('mama') } window.onload = function(){ document.querySelector('#upload').onchange = function() { console.log('a') } } home.spec.js import {makeEl} from '../app/index...
draw(){ if (this.mychart) { this.mychart.destroy(); } let ctx = this.mycanvas.nativeElement.getContext('2d'); this.mychart=new Chart(ctx, {type: 'line', data: { labels:this.labels, datasets: this.dataSet }, options: { responsive: true, elements: { line: { tension: 0 // di...
I have some ajaxified TAB controls which is broken after i load the content of the page in the hidden div. The error I got was "Uncaught TypeError: Cannot set property 'value' of undefined" I was able to isolate the faulty code and it seems that because Page B being loaded contains ...
I initially set the data that I'm passing as null and then I update it once the data from the API loads so I'm thinking that might be part of the problem but I don't know how to get around it. I made a code sandbox for more context. And for reference I'm using the spacex ...
=='production',state: {language:localStorage.getItem('language') ||'', ... },actions: { switchLanguage ({ commit }, context) {commit(types.SET_LANGUAGE, context) }, ... },getters: {language:state=>state.language,sideNav:state=>state.sideNav,showAssociation:state=>state.showAssociation, ...
确保你的 AOP 配置中设置了exposeProxy属性为true。这可以在使用注解或 XML 配置中进行设置 使用注解 如果你使用的是基于注解的配置,可以通过@EnableAspectJAutoProxy注解来启用 AOP,并设置exposeProxy为true: 1 2 3 4 5 6 importorg.springframework.context.annotation.EnableAspectJAutoProxy; ...
at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:1093) at org.springframework.cloud.context.named.NamedContextFactory.destroy(NamedContextFactory.java:114) at org.springframework.beans.factory.support.DisposableBeanAdapter.destroy(DisposableBeanAdapter.java:211...