canvas-fontsizes

JavaScript performance comparison

Test case created by Ilmari

Preparation code

<script>
  var c = document.createElement('canvas');
  c.width = c.height = 512;
  
  var ctx = c.getContext('2d');
  
  var sizes = [];
</script>
    

Test runner

Warning! For accurate results, please disable Firebug before running the tests. (Why?)

Java applet disabled.

Testing in CCBot 2.0.0 / Other 0.0.0
Test Ops/sec
quantized
for (var i = 0; i < 20; i++) {
 var sz = i;
 ctx.font = sz * 4 + 'px';
 ctx.fillText('test string', 0, 128);
}
pending…
fractional
for (var i = 0; i < 20; i++) {
 var sz = i * 4;
 ctx.font = (Math.ceil(sz * 7) / 7) + 'px';
 ctx.fillText('test string', 0, 128);
}
pending…

Compare results of other browsers

Revisions

You can edit these tests or add even more tests to this page by appending /edit to the URL.

0 Comments