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<!DOCTYPE html>
<html>
<head>
<title>Chapter 7!</title>
<style type='text/css'>
* {
box-sizing:border-box;
}
html, body {
padding:0;
margin:0;
width:100%;
height:100%;
}
#container {
width:100%;
height:100%;
padding:50px;
}
</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 Square = React.createClass({
render: function() {
var squareStyle = {
height: 150,
backgroundColor: this.props.color
};
return (
<div style={squareStyle}></div>
);
}
});
var Label = React.createClass({
render: function() {
var labelStyle = {
fontFamily: "sans-serif",
fontWeight: "bold",
padding: 13,
margin: 0
};
return (
<p style={labelStyle}>{this.props.color}</p>
);
}
});
var Card = React.createClass({
render: function() {
var cardStyle = {
height: 200,
width: 150,
padding: 0,
backgroundColor: "#FFF",
WebkitFilter: "drop-shadow(0px 0px 5px #666)",
filter: "drop-shadow(0px 0px 5px #666)"
};
return (
<div style={cardStyle}>
<Square color={this.props.color}/>
<Label color={this.props.color} />
</div>
);
/****** Equivalent JavaScript: ******
* return React.createElement(
* "div",
* { style: cardStyle },
* React.createElement(Square, { color: this.props.color }),
* React.createElement(Label, { color: this.props.color })
* );
*/
}
});
ReactDOM.render(
<section>
<Card
/* this comment
goes across
multiple lines
but is contained
within a tag */
color="#FF6663" // end of line comment
/>
{/* I am a child comment */}
</section>,
document.querySelector("#container")
);
}());
/****** Invalid JSX ******
* // Can't have multiple root elements
* ReactDOM.render(
* <Letter>B</Letter>
* <Letter>E</Letter>
* <Letter>I</Letter>
* <Letter>O</Letter>
* <Letter>U</Letter>,
* document.querySelector("#container")
* );
*
* // Can't used JS' reserved words, like class
* ReactDOM.render(
* <div class="slideIn">
* <p class="emphasis">Gabagool!</p>
* <Label/>
* </div>
* document.querySelector("#container")
* );
*
*/
</script>
</body>
</html>