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<!doctype html>
<html>
<head>
<title>CodeMirror 2: HTML5 preview</title>
<meta charset=utf-8>
<script src=../lib/codemirror.js></script>
<script src=../mode/xml/xml.js></script>
<script src=../mode/javascript/javascript.js></script>
<script src=../mode/css/css.js></script>
<script src=../mode/htmlmixed/htmlmixed.js></script>
<link rel=stylesheet href=../lib/codemirror.css>
<link rel=stylesheet href=../theme/default.css>
<link rel=stylesheet href=../css/docs.css>
<style type=text/css>
.CodeMirror {
float: left;
width: 50%;
border: 1px solid black;
}
iframe {
width: 49%;
float: left;
height: 300px;
border: 1px solid black;
border-left: 0px;
}
</style>
</head>
<body>
<h1>CodeMirror 2: HTML5 preview</h1>
<textarea id=code name=code>
<!doctype html>
<html>
<head>
<title>HTML5 canvas demo</title>
<meta charset=utf-8>
</head>
<body>
<canvas id=tutorial width=250 height=250></canvas>
<script>
var canvas = document.getElementById('tutorial');
var context = canvas.getContext('2d');
context.fillStyle = 'rgb(250,0,0)';
context.fillRect(10, 10, 55, 50);
context.fillStyle = 'rgba(0, 0, 250, 0.5)';
context.fillRect(30, 30, 55, 50);
</script>
</body>
</html>
</textarea>
<iframe id=preview></iframe>
<script>
var delay;
// Initialize CodeMirror editor with a nice html5 canvas demo.
var editor = CodeMirror.fromTextArea(document.getElementById('code'), {
mode: 'text/html',
tabMode: 'indent',
onChange: function() {
clearTimeout(delay);
delay = setTimeout(updatePreview, 300);
}
});
function updatePreview() {
var preview = document.getElementById('preview').contentDocument;
preview.open();
preview.write(editor.getValue());
preview.close();
}
setTimeout(updatePreview, 300);
</script>
</body>
</html>
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