Benchmark: Javascript string.endsWith vs string.slice and triple equal 2

Script Preparation code:

function compareEndsWith(val, comparator) {
  return val.endsWith(comparator)
}
function compareEndsWith2(val, comparator) {
  return val.endsWith(comparator, comparator.length)
}
function compareSliceMethod(val, comparator) {
  const thingToCompare = val.slice(-comparator.length)
  return thingToCompare === comparator
}

Tests:

endWith
const value = Math.random().toString().padEnd(20,'0'); const ending = "asdf" compareEndsWith(value, ending)
slice
const value = Math.random().toString().padEnd(20,'0'); const ending = "asdf" compareSliceMethod(value, ending)
endsWith2
const value = Math.random().toString().padEnd(20,'0'); const ending = "asdf" compareEndsWith2(value, ending)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
endWith
slice
endsWith2

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 9 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36

Browser/OS: Chrome 115 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
endWith	4070915.0 Ops/sec
slice	4664534.0 Ops/sec
endsWith2	4130641.0 Ops/sec

Javascript string.endsWith vs string.slice and triple equal 2 (version: 0)

Comparing performance of: endWith vs slice vs endsWith2

Created: one year ago by: Guest

Jump to the latest result

endWith

slice

endsWith2

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A