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React(0.13) 定义一个使用动画

2016-03-25 16:40 741 查看

<!DOCTYPE html>
<html>
<head>
<title>React JS</title>
<script src="../build_0.13/react.js"></script>
<script src="../build_0.13/JSXTransformer.js"></script>
<script src="../build_0.13/react-with-addons.min.js"></script>
<style type="text/css">
.example-enter{color:red;}
.example-active{color:green;}
</style>
</head>
<body>
<div id="example" ></div>
<script type="text/jsx">
var ReactCSSTransitionGroup = React.addons.CSSTransitionGroup;
var TodoList = React.createClass({
getInitialState: function() {
return {items: ['hello', 'world', 'click', 'me']};
},
handleAdd: function() {
var newItems = this.state.items.concat([prompt('Enter some text')]);
this.setState({items: newItems});
},
handleRemove: function(i) {
var newItems = this.state.items;
newItems.splice(i, 1);
this.setState({items: newItems});
},
render: function() {
var items = this.state.items.map(function(item, i) {
return (
<div key={item} onClick={this.handleRemove.bind(this, i)}> {item} </div> );
}.bind(this));
return ( <div>
<button onClick={this.handleAdd}>Add Item</button>
<ReactCSSTransitionGroup transitionName="example">
{items}
</ReactCSSTransitionGroup>
</div> );
}
});

//将组件加到对应的元素上
React.render( <TodoList />, document.getElementById('example') );
</script>
</body>
</html>

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