Run results for: Math.pow(x,0.5) vs Math.sqrt(x)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:90.0) Gecko/20100101 Firefox/90.0

Browser: Firefox 90

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Math.sqrt	13100.4 Ops/sec
sqrt with Math.pow	12597.4 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,0.5));
numbers.forEach(x => Math.pow(x,0.5));