react+next.js遇到的问题及解决 1.使用react-image插件做图片预览,报错:window is not defined。 因为next.js使用的是服务端渲染,没有window。 解决方法是引入的时候,加一个对象 {SSR:false}。 import dynamic from 'next/dynamic'let Zmage= dynamic(import('react-zmage'), { ssr:false}) 2.使用this.props...
正在获取'window；is not defined错误EN惰性模式就是在某种外界环境一定的情况下，减少代码的对环境的重复...
问如何修复ReferenceError: ReactJS中未定义窗口EN首先扫盲一下，先从搭建环境开始： 1.安装node，因为ts...
console.log('window.innerHeight',window.innerHeight); } scrolltops=()=>{ window.addEventListener('scroll', ()=>{ if(document.documentElement.scrollTop>900){ this.setState({sop:true}) }else{ this.setState({sop:false}) } }) } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13....
window.addEventListener('unhandledrejection',event=> { console.log('unhandledrejection: ', event.reason);// 打印 }); letp =Promise.reject("oops"); // 打印 unhandledrejection: oops // caught (in promise) oops 手动抛出错误 我们在书第三方库的时候,可以手动抛出错误。但是throw error会阻断程序运行...
wheremain.jsis the main app file andbundle.jsis the output file. main.js文件作为应用的主文件,bundle.js作为输出文件。 WebStorm displays npm tasks listed in package.json in a separate tool window. Just double-click on the task name to run it. No need to run commands in the terminal. ...
React native provides Dimensions API and useWindowDimensions() hook to get width & height size of Mobile Screen and Window, in React Native. With this, you can calculate the dimensions of… View Post How to create a toast in React Native? Code Example ...
调用window实例的setWindowSystemBarProperties接口设置窗口状态栏和导航栏的高亮属性时不生效 如何保持屏幕常亮 如何监听窗口大小的变化 如何获取屏幕的宽度、高度、分辨率和横竖屏等信息 如何设置沉浸式窗口 如何获取窗口的宽度 如何解决window创建的模态窗口默认焦点不在界面上,导致不响应返回事件的问题 如何获取...
I have integrated jsPdf in my react application which has SSR. So 1st time when I land to a page, it works properly but when i refresh the page it throws "Reference Error: window is not defined" Assume I have landing page say: "/" i clic...
Timeout() { printError('clearTimeout'); }; So my guess is that I should define somewhere something like: var window = window|| this; as it was done for global and self (or maybe somethingelse like console). Thismay be related to #615 but it is strange that I see it coming...