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

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:123.0) Gecko/20100101 Firefox/123.0

Browser: Firefox 123

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

slice

665.5M/s

endWith

640.3M/s

View exact numbers

Test name	Executions per second
✓ slice	665,493,440 Ops/sec
endWith	640,343,488 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)