Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.3 Safari/605.1.15
Safari 14
Mac OS X 10.15.6
Desktop
4 years ago
Test name Executions per second
Math.sqrt 586.6 Ops/sec
sqrt with Math.pow 568.6 Ops/sec
Script Preparation code:
AخA
 
var numbers = Array.from(Array(10000), (_,x) => (Math.random()*x));
Tests:
  • Math.sqrt

     
    numbers.forEach(x => Math.sqrt(x));
  • sqrt with Math.pow

     
    numbers.forEach(x => Math.pow(x,0.5));