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<!DOCTYPE html>
<html>
<head>
<title>Chapter 10!</title>
<style type='text/css'>
html, body {
padding:0;
margin:0;
width:100%;
height:100%;
}
#container {
width:100%;
height:100%;
padding:50px;
background-color:#FFFFFF;
}
</style>
<script src="react/react.js"></script>
<script src="react/react-dom.js"></script>
<script src="react/babel.min.js"></script>
</head>
<body>
<main id="container"></main>
<script type="text/babel">
(function(){
var destination = document.querySelector("#container");
var Counter = React.createClass({
render: function() {
var textStyle = {
fontSize: 72,
fontFamily: "sans-serif",
color: "#333",
fontWeight: "bold"
};
return (
<div style={textStyle}>
{this.props.display}
</div>
);
}
});
var PlusButton = React.createClass({
render: function() {
var buttonStyle = {
fontSize: "1em",
width: 30,
height: 30,
fontFamily: "sans-serif",
color: "#333",
fontWeight: "bold",
lineHeight: "3px"
};
return (
<button style={buttonStyle} onClick={this.props.clickHandler}>+</button>
);
}
});
var CounterParent = React.createClass({
handleResize: function(e) {
this.setState({
count: window.innerWidth + window.innerHeight
});
},
componentDidMount: function() {
window.addEventListener("resize", this.handleResize);
},
componentWillUnmount: function() {
window.removeEventListener("resize", this.handleResize);
},
getInitialState: function() {
return {
count: window.innerWidth + window.innerHeight
};
},
increase: function(e) {
this.setState({
count: this.state.count +
(e.shiftKey ? 10 : 1)
});
},
render: function() {
var backgroundStyle = {
padding: 50,
backgroundColor: "#FFC53A",
width: 250,
height: 100,
borderRadius: 10,
textAlign: "center"
};
return (
<div style={backgroundStyle}>
<Counter display={this.state.count}/>
<PlusButton clickHandler={this.increase}/>
</div>
);
}
});
ReactDOM.render(
<div>
<CounterParent/>
</div>,
destination
);
}());
</script>
</body>
</html>