react-dom

I am new to React and Webpack. I am setting up my first project, when I try to run the webpack-dev-server my code does not compile! Update Answer below is correct. I needed to add 'react' to babel loader presets. You can see the full source for project here: https://github.com/cleechtech/redux-todo Error: $ webpack-dev-server http://localhost:8080/webpack-dev-server/ webpack result is served from / content is served from ./dist Hash: d437a155a1da4cdfeeeb Version: webpack 1.12.14 Time: 5938ms Asset Size Chunks Chunk Names bundle.js 1.51 kB 0 [emitted] main chunk {0} bundle.js (main) 28 bytes

I'm a newbie in React and I was wondering what is the purpose of registerServiceWorker() in the following code? import React from 'react'; import ReactDOM from 'react-dom'; import App from './App'; import registerServiceWorker from './registerServiceWorker'; ReactDOM.render(<App />, document.getElementById('root')); registerServiceWorker(); mostafa tourad The service worker is a web API that helps you cache your assets and other files so that when the user is offline or on slow network, he/she can still see results on the screen, as such, it helps you build a better user experience, that's

This is a recurring problem I have with React. The componentDidMount method is guaranteed to be fired when the component is rendered for the first time so it seems like a natural place to take DOM measurements like heights and offsets. However, many times I receive wrong style readings at this point of the component's lifecycle. The component is in the DOM, when I break with the debugger, but it's not yet painted on the screen. I get this problem with elements that have width/height set to 100% mostly. When I take measurements in componentDidUpdate - everything works fine, but this method will

I'm a bit new to react. I see we have to import two things to get started, React and ReactDOM , can anyone explain the difference. I'm reading through the React documentation , but it doesn't say. React and ReactDOM were only recently split into two different libraries. Prior to v0.14, all ReactDOM functionality was part of React. This may be a source of confusion, since any slightly dated documentation won't mention the React / ReactDOM distinction. As the name implies, ReactDOM is the glue between React and the DOM. Often, you will only use it for one single thing: mounting with ReactDOM