控制台报错： ‘ReactCurrentOwner‘ of undefined解决办法：RN版本的问题。As I mentioned, make sure you‘ve installed the correct version of React. If you‘re using React Native 0.45: yarn add react@16.0.0-alpha.12 npm install react@16.0.0-alpha.12 --save-dev npm install --save-dev babel-preset-es2015test:/\.jsx?$/,exclude:/node_modules/,loader:‘babel-loader‘,query:{presets:[‘es2015‘...
渲染我的BigCalendar组件时,我不断收到此控制台错误消息. 我怎么解决这个问题？“Uncaught Error: NoopWrapper.render(): A valid React element (or null)must be returned. You may have returned undefined, an array or someother invalid object.at invariant (invariant.js?994a:42)at ReactCompositeComponentWrapper._renderValidatedComponent (ReactCompositeComponent.js?8c6a:828)at ReactCompositeComponentWrapper.p...
今天在安装react脚手架模板项目的时候出现错误如下 A template was not provided. This is likely because youre using an outdated version of create-react-app.Please note that global installs of create-react-app are no longer supported.You can fix this by running npm uninstall -g create-react-app or yarn global remove create-react-app before using create-react-app again. 但是我尝试了几次卸载依然不能成功...