Run results for: Math.hypot vs Math.sqrt vs Math.sqrt&pow vs Math.sqrt&**2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:147.0) Gecko/20100101 Firefox/147.0

Browser: Firefox 147

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 months ago

Test name	Executions per second
Math.hypot	2540.9 Ops/sec
Math.sqrt	2522.7 Ops/sec
Math.sqrt > Math.pow	2523.0 Ops/sec
Math.sqrt > **	2514.5 Ops/sec

Script Preparation code:

function testHypot() {
  for (let i=0; i < 1000; i++){
    for (let j=0; j < 1000; j++) {
      Math.hypot(i - j, j - i)
    }
  }
}
function testSqrt() {
  for (let i=0; i < 1000; i++){
    for (let j=0; j < 1000; j++) {
      Math.sqrt((i-j)*(i-j)+(j-i)*(j-i))
    }
  }
}
function testSqrtPowFn() {
  for (let i=0; i < 1000; i++){
    for (let j=0; j < 1000; j++) {
      Math.sqrt(Math.pow(i-j, 2)+Math.pow(j-i, 2))
    }
  }
}
function testSqrtPowOp() {
  for (let i=0; i < 1000; i++){
    for (let j=0; j < 1000; j++) {
      Math.sqrt((i-j)**2+(j-i)**2)
    }
  }
}

Tests:

Math.hypot
testHypot()
Math.sqrt
testSqrt()
Math.sqrt > Math.pow
testSqrtPowFn()
Math.sqrt > **
testSqrtPowOp()

Run results for: Math.hypot vs Math.sqrt vs Math.sqrt&pow vs Math.sqrt&**2

Is Math.hypot actually faster than Math.sqrt?

Math.hypot

Math.sqrt

Math.sqrt > Math.pow

Math.sqrt > **