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<html><head>↩
<title>Bug 449653 - drawWindow on canvas fails on load, draws white instead of specified region</title>↩
<style>↩
html, body {↩
margin: 0px;↩
padding: 0px;↩
}↩
</style>↩
</head><body>↩
<div style="width: 100px; height: 100px; background-color: lime;"></div>↩
<br>↩
<canvas id="canvas" width="100" height="100" style="background-color: red;"></canvas>↩
<script>↩
var canvas = document.getElementById("canvas");↩
var ctx = canvas.getContext("2d");↩
SpecialPowers.wrap(ctx).drawWindow(window, 0, 0, 100, 100, "white");↩
</script>↩
</body></html>↩