Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Chrome 93
Windows
Desktop
3 years ago
Test name Executions per second
Clear only 239443.3 Ops/sec
Save transform Clear restore 187827.7 Ops/sec
Canvas w with memo 1136.1 Ops/sec
w=w 163544.6 Ops/sec
w+=0 165234.1 Ops/sec
fillRect 207293.8 Ops/sec
createImageData 367.6 Ops/sec
HTML Preparation code:
Script Preparation code:
Tests:
  • Clear only

  • Save transform Clear restore

  • Canvas w with memo

  • w=w

  • w+=0

  • fillRect

  • createImageData