前台报错:Uncaught TypeError: Cannot read property '0' of null - 代码天地

前台报错:Uncaught TypeError: Cannot read property '0' of null

其他 2018-12-19 09:27:17 阅读次数: 0

错误现象: var div1=mycss[0].style.backgroundColor; //这一行提示360和chrome提示：Uncaught TypeError: Cannot read property '0' of null

错误原因:

mycss没有0这个属性
说明mycss不是数组不要加 [0]

猜你喜欢

转载自www.cnblogs.com/dirgo/p/10141177.html

前台报错:Uncaught TypeError: Cannot read property '0' of null

Uncaught TypeError: Cannot read property 'replace' of null

Uncaught TypeError: Cannot read property 'childNodes' of null

Uncaught TypeError: Cannot read property 'length' of null

Uncaught TypeError: Cannot read property 'appendChild' of null

Uncaught TypeError: Cannot read property 'addEventListener' of null

Uncaught TypeError: Cannot read property 'setAttribute' of null

Uncaught TypeError: Cannot read property 'offsetHeight' of null

Uncaught TypeError: Cannot read property 'disabled' of null

Uncaught TypeError: Cannot read property 'value'' of null

Uncaught TypeError: Cannot read property 'filter' of null

ExtJS报错 Uncaught TypeError: Cannot read property 'parentNode' of null

EasyUI datagrid报错：Uncaught TypeError: Cannot read property 'width' of null

报错 TypeError: Cannot read property 'parentNode' of null

[转] Android Webview: “Uncaught TypeError: Cannot read property 'getItem' of null

Extjs, Uncaught TypeError: Cannot read property 'dom' of null

关于 Uncaught TypeError: Cannot read property '_data' of null 错误

datatables Uncaught TypeError: Cannot read property 'length' of null

JS异常处理：Uncaught TypeError: Cannot read property 'LazyLoad' of null

Uncaught TypeError: Cannot read property 'username' of null常见错误

网页html错误：Uncaught TypeError: Cannot read property 'addEventListener' of null

[Echarts] Uncaught TypeError: Cannot read property ‘getAttribute‘ of null

解决echarts报错：Uncaught TypeError: Cannot read property ‘getBoundingClientRect‘ of null at VueComponent

TypeError: Cannot read property 'length' of null

TypeError: Cannot read property 'push' of null

TypeError： Cannot read property ‘addEventListener’ of null

vue报错Error in render: "TypeError: Cannot read property '0' of undefined"

报错："TypeError: Cannot read property '0' of undefined"的原因

Uncaught TypeError: Cannot read property 'createChild' of undefined

Uncaught TypeError: Cannot read property 'tabs' or '' of undefined

今日推荐

《美国对全球网络空间安全与发展的威胁和破坏》报告发布

火速冲上 GitHub 热榜 —— 开源编程语言、框架哪有这么可爱？

北京人形机器人创新中心发布全球首个纯电驱拟人奔跑的全尺寸人形机器人“天工”

LFOSSA 源来如此公开课 | 掌握云原生未来：CNCF 认证全面攻略与备考秘籍

国产云输入法——仅华为无云端数据上传安全问题

周排行

Python环境安装与基础语法（1）——计算机基础知识

IMU预积分

ADAS中的LDW、FCW、BSD、LCA、ACC、AEB、APA、DMS代表的含义

B站笔试两道题

skyeye arm 硬件虚拟机环境的搭建

Web前端静态页面示例

数组-合并排序数组 II-简单

springcloud之版本问题启动报错

面向对象-------------匿名对象(六)

输入URL到页面呈现中间发生了什么？

每日归档

更多

2024-04-30(1)

2024-04-29(40)

2024-04-28(0)

2024-04-27(56)

2024-04-26(39)

2024-04-25(22)

2024-04-24(36)

2024-04-23(26)

2024-04-22(39)

2024-04-21(0)