react-mark.md

children 遍历

React.Children.map(this.props.children, child => {})

子组件接收值

propTypes: { title: React.PropTypes.string.isRequired } getDefaultProps: function() { return { title: 'Default hello world' } }

dom 引用

this.refs.domRef

设置和改变状态

getInitialState: function() { return { data: [1, 2, 3] } } this.setState({ data: [1, 5, 4] })

生命周期

componentWillMount() componentDidMount() componentWillUpdate(object nextProps, object nextState) componentDidUpdate(object prevProps, object prevState) componentWillUnmount() componentWillReceiveProps(object nextProps)：已加载组件收到新的参数时调用 shouldComponentUpdate(object nextProps, object nextState)：组件判断是否重新渲染时调用