canvas-clearRect-size (v30)

Revision 30 of this benchmark created on

Description

clear rect on full canvas vs partial canvas

Preparation HTML

<script>
  var c = document.createElement('canvas');
  c.width = c.height = 450;
document.body.appendChild( c );
  var ctx = c.getContext('2d');
</script>

Test runner

Ready to run.

Testing in
TestOps/sec
clearRect full
ctx.clearRect(0, 100, 450, 200);
ready
clearRect partial
ctx.clearRect(0, 0, 450, 450);
ready
change canvas size
c.setAttribute("width",450);
c.setAttribute("height",450);
 
ready

Revisions

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