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Created May 29, 2015 23:13
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かんすうがた くりっく かうんたー w
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>かんすうがた くりっく かうんたー w</title>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css" rel="stylesheet" />
</head>
<body>
<h1>かんすうがた くりっく かうんたー w</h1>
<p>
ES6のconstを使っているので、最新のFirefoxとChrome推奨です。
破壊的代入やArrayの破壊的メソッドは使って無いはず。
</p>
<div id="content"></div>
<script src="https://fb.me/react-0.13.3.min.js"></script>
<script src="https://fb.me/JSXTransformer-0.13.1.js"></script>
<script type="text/jsx">
(function() {
const ClickCounter = React.createClass({
getInitialState: function() {
return {
data: Array.apply(null, Array(this.props.number)).map(function() {return 0;}),
total: 0
};
},
handleClick: function(number) {
const newData = this.state.data.map(function(v, i) {return v + ((number === i) ? 1 : 0)});
const newTotal = this.state.total + 1;
this.setState({data: newData, total: newTotal});
},
render: function() {
return (
<div className="clickCounter">
<ChildrenCounter data={this.state.data} total={this.state.total} onClick={this.handleClick}/>
</div>
);
}
});
const ChildrenCounter = React.createClass({
render: function() {
const children = this.props.data.map(function(v, i) {
return <ChildCounter number={i} count={v} total={this.props.total} onClick={this.props.onClick}/>;
}, this);
return (
<div className="childrenCounter row">
{children}
</div>
);
}
});
const ChildCounter = React.createClass({
onClick: function() {
return this.props.onClick(this.props.number);
},
render: function() {
return (
<div className="childCounter col-sm-3 col-md-2 panel panel-default text-center" onClick={this.onClick}>
<h3>ばんごう {this.props.number}</h3>
<p>このわく <span className="badge">{this.props.count}</span></p>
<p>とーたる <span className="badge">{this.props.total}</span></p>
</div>
);
}
});
React.render(<ClickCounter number={4}/>, document.getElementById('content'));
}).call(this);
</script>
</body>
</html>
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