Preparation code

<canvas id="canvas1" width="500" height="500"></canvas>
<script>
  var can = document.getElementById('canvas1');
  var ctx = can.getContext('2d');
</script>

Preparation code output

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can.width = can.width;

ctx.clearRect(0, 0, can.width, can.height);

// I have lots of transforms right now
ctx.save();
ctx.setTransform(1, 0, 0, 1, 0, 0);
// Will always clear the right space
ctx.clearRect(0, 0, can.width, can.height);
ctx.restore();
// Still have my old transforms

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Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL. Here’s a list of current revisions for this page:

• Revision 1: published by Simon on 31st May 2011
• Revision 3: published on 14th June 2011
• Revision 5: published by Simon on 26th August 2011
• Revision 6: published by Bill Baxter on 5th October 2011
• Revision 7: published by Simon on 7th October 2011
• Revision 8: published on 7th October 2011

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