Run results for: Javascript string.endsWith vs string.slice and tripple equal (one char)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

endWith

34.4M/s

slice

33.3M/s

View exact numbers

Test name	Executions per second
✓ endWith	34,449,516 Ops/sec
slice	33,287,678 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(-1)
  return thingToCompare === comparator
}

Tests:

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