Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.1.15
Safari 17
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Math.floor 18175204.0 Ops/sec
Bitwise 431986976.0 Ops/sec
Script Preparation code:
AخA
 
this.numA = Math.random() * 100;
Tests:
  • Math.floor

     
    return Math.floor(this.numA);
  • Bitwise

     
    return ~~this.numA;