Run results for: Javascript string.endsWith vs string.slice and tripple equal

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36 Edg/137.0.0.0

Browser: Chrome 137

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

slice

92.8M/s

endWith

63.3M/s

View exact numbers

Test name	Executions per second
✓ slice	92,820,192 Ops/sec
endWith	63,260,504 Ops/sec

Script Preparation code:

const value = "douche nation"
const ending = "tion"

function compareEndsWith(val, comparator) {
  return val.endsWith(comparator)
}
function compareSliceMethod(val, comparator) {
  const thingToCompare = val.slice(-comparator.length)
  return thingToCompare === comparator
}

Tests:

endWith
const value = "douche nation" const ending = "tion" compareEndsWith(value, ending)
slice
const value = "douche nation" const ending = "tion" compareSliceMethod(value, ending)