reactjs testing

Webpack 2.x basic development environment for reactjs configuration, webpackreactjs This article describes how to configure the basic development environment of reactjs in webpack 2.x: Current webpack version: 2.2; react: 15.4.2 The upgrade of webpack from 1.x to 2.x replaces several interfaces, including important interfaces such as module. loaders, which have been discarded (detailed changes ). Currently,

Prerequisite: Nodejs and NPM have been installed#全局安装webpack Automated Building tools, functional Management projects; Webpack-dev-server is a development tool that provides hot Module replacement functionality# Webpack Introduction: http://webpack.github.io/docs/what-is-webpack.htmlInstall -g webpack webpack-dev-server#在项目文件夹路径下, Initialize the NPM projectNPM Init#安装webpack和webpack-dev-server to the projectInstall Webpack Webpack-dev-server--save-dev#可选:#安装css-loader, style-loader, image-loader

Summary of the use of Reactjs in car H5Q: Android 4.4webview display blank?A: The initial suspicion is that the CSS property is not prefixed with the compatibility problem, but added after the discovery is not, through WebView debugging after the console output Set is undefined, after the search found react dependent collection type Map and set. So if you want to be compatible with a low-version browser you can introduce a global polyfill, such as Cor

About Reactjs, the following summary, mainly has the following points: 1, Reactjs is based on the development of components, so eventually your page should be composed of a number of small components of large components. 2, you can pass the value of the attribute to the component, the same can also through the properties of the internal results passed to the parent component (for everyone to study); To do D

This article mainly introduces the sample code for writing a message board using the ReactJS and Python Flask frameworks. Other words use MongoDB, a database that is convenient to operate using JavaScript, for more information about how to use react in the production environment, I learned about it and wrote a simple message board applet. The complete code can be downloaded here: message-board Use The front end uses React, and then Bootstrap and jQue

us to get the corresponding elements: varComponent1 =React.createclass ({CLICKCB:function(e) {if(E.target = = = This. Refs.li2.getDOMNode ()) {Alert (' You ordered the second Li. ')}}, Render:function() { return( This.clickcb}> } }); vardiv = document.getElementById (' A '); React.render (As we bind a ref attribute to the second Then bind the point-click event, when clicked to determine whether the Li element is equal to This.refs.li2.getDOMNode (), if so, then pop aler

Owner "" Passed propsThis is the default point of the component itselfKey "" cannot be without, in the case of reuseComponents: ExamplesInput: PropsState output: HTML-varLikebutton =React.createclass ({getinitialstate:function () {return{liked:false}; }, Handleclick:function (Event){ This. SetState ({liked:! This. state.liked}); }, Render:function () {varText = This. state.liked?' like':'haven\ ' t liked'; return( This.handleclick}>You {text} This.

: {}, Loadingcn: { block: { ' demo-block ', ' Ui-loading-block Show ' }, wrap: { ' ui-loading-wrap ', ' ui-loading-cnt ' }, I: { ' ui-loading ', ' Ui-loading-bright '}} ;It returns an object that holds the class name of each component, so we can pass the require ('.. /component/stylemaps '). loadingcn.block[' Global ' to get the class name of

Four forms of Reactjs condition judgment

Reactjs uncaught typeerror:cannot Read Property ' location ' of undefinedReactjs routing configuration How to jump unsuccessful domestic search engine find half a day can not find useful information so GoolgePackage.json inside Configuration: "React-router": "^3.0.0" changed to 3.x on it, change the implementation of NPM installOriginal reference: https://github.com/acdlite/redux-router/issues/281Reactjs uncaught typeerror:cannot Read Property ' locat

:[],}; }, Componentdidmount:function () { This. Updatestate (); }, Updatestate:function () {ConstProducts =Data.sort (function (b) {returnB.votes-a.votes; }); This. SetState ({products:products})}, Handleupvote:function (productId) { for(varIteminchData) { if(Data[item].id = =productId) {Data[item].votes= Data[item].votes +1; Continue; } } This. Updatestate (); }, Render:function () {ConstProducts = This. State.products.map (Product) = { return ( Product Key={pro

1.ReactJs relies on the NODEJS environment and needs to be installed if Nodejs is not installed. : https://nodejs.org/en/download/After downloading, install the Windows version of MSI, click Next to do it. After that, the appropriate environment configuration will be OK.2. Installing the Global PackageWe need to install two packages, these two packages are Babel plugins.Run in Windows:NPM Install-g BabelNPM install-g BABEL-CLI3. Create an App root dir