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<!DOCTYPE html>
<html>
<head>
<style>
textarea {
width: 100%;
height: 20em;
}
</style>
<script>
var worker = new Worker('r-worker.js');
worker.onerror = function () {
console.error("WORKER ERROR", arguments);
};
worker.onmessage = function(evt) {
var data = JSON.parse(evt.data),
buildText = data.buildText,
out = data.out;
document.getElementById('output').value = out;
document.getElementById('buildMessages').value = buildText;
};
document.addEventListener('DOMContentLoaded', function (evt) {
document.getElementById('build').addEventListener('click', function (evt) {
worker.postMessage('run');
}, false);
}, false);
</script>
</head>
<body>
<h1>r.js in the browser</h1>
<p>A test of running r.js in the browser.</p>
<p>
<button id="build">Build it</button>
</p>
<h2>Build Messages</h2>
<textarea id="buildMessages"></textarea>
<h2>Output</h2>
<textarea id="output"></textarea>
</body>
</html>
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