Run results for: Math.pow(x,2) vs Math.sqrt(x)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.2.1 Safari/605.1.15

Browser: Safari 17

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Math.sqrt	1565.6 Ops/sec
sqrt with Math.pow	1621.5 Ops/sec

Script Preparation code:

var numbers = Array.from(Array(10000), (_,x) => (Math.random()*x));

AخA
 
var numbers = Array.from(Array(10000), (_,x) => (Math.random()*x));

Tests:

Math.sqrt
numbers.forEach(x => Math.sqrt(x));
numbers.forEach(x => Math.sqrt(x));
sqrt with Math.pow
numbers.forEach(x => Math.pow(x,2));
numbers.forEach(x => Math.pow(x,2));