dom/canvas/test/reftest/filters/subregion-ref.html


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<!DOCTYPE html>
<html>
<body>
<canvas id="canvas" width="100" height="100"></canvas>
<script>

var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');

ctx.fillStyle = '#0f0';
ctx.fillRect(25, 25, 50, 50);

</script>
</body>
</html>