이벤트 리스너 반응을 추가하는 방법
코드 예제
react 의 이벤트 리스너
var Box = React.createClass({
getInitialState: function() {
return {windowWidth: window.innerWidth};
},
handleResize: function(e) {
this.setState({windowWidth: window.innerWidth});
},
componentDidMount: function() {
window.addEventListener('resize', this.handleResize);
},
componentWillUnmount: function() {
window.removeEventListener('resize', this.handleResize);
},
render: function() {
return <div>Current window width: {this.state.windowWidth}</div>;
}
});
ReactDOM.render(<Box />, mountNode);
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