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React this.state,
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<!doctype html>
<html>
<head>
<Meta charset="utf-8">
<script src="../build/react.js"></script>
<script src="../build/react-dom.js"></script>
<script src="../build/browser.min.js"></script>
</head>
<body>
<div id="abc"></div>
<script type="text/babel">
var LikeButton = React.createClass({
getInitialState:function(){<!--初始化状态值-->
return {liked:true};
},handleClick:function(event){<!--处理函数 不断的取反-->
this.setState({liked: !this.state.liked});
},render:function(){
var text=this.state.liked? 'liked':'havent liked';
return (
<p onClick={this.handleClick}>
you {text} this.Click to toggle.
</p>
);
}
});
ReactDOM.render(
<LikeButton />,document.getElementById('abc')
);
</script>
</body>
</html>
原文链接:https://www.f2er.com/react/303889.html