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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36

Browser: Chrome 102

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
endWith	12173990.0 Ops/sec
slice	15919720.0 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)

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

endWith

slice