https://zhenyong.github.io/react/tips/dom-event-listeners.html class MovieItem extends React.Component { componentDidMount() { // When the component is mounted, add your DOM listener to the "nv" elem. // (The "nv" elem is assigned in t
ttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind The smallest React example looks like this: ReactDOM.render( <h1>Hello, world!</h1>, document.getElementById('root') ); 介绍JSX a syntax extension to