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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

slice

179.0M/s

endWith

101.7M/s

View exact numbers

Test name	Executions per second
✓ slice	178,979,888 Ops/sec
endWith	101,733,600 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)