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

Run details:

User agent: Mozilla/5.0 (Linux; Android 14; SM-S918W Build/UP1A.231005.007) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.6533.103 Mobile Safari/537.36 OPX/2.5

Browser: Chrome Mobile 127

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

slice

20.9M/s

endWith

19.8M/s

View exact numbers

Test name	Executions per second
✓ slice	20,880,684 Ops/sec
endWith	19,832,490 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)