Run results for: Array.splice vs Array.filter

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.4 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.4

Device Platform: Mobile

Date tested: 2 years ago

Splice It

4.8M/s

filter It

1.6M/s

View exact numbers

Test name	Executions per second
✓ Splice It	4,791,186 Ops/sec
filter It	1,586,410 Ops/sec

HTML Preparation code:

<script>
  const array = ["first","second","third","asdawd","cxzcas","ljjjln","dfh93fsad9","asdfeh5","dsag442","gdsgds","fdsfrhdgr"];
</script>

Script Preparation code:

function spliceIt(array, elementIdx){
  array.splice(elementIdx, 1);
}

function filterIt(array, elementIdx){
  array = array.filter((el, idx) => idx !== elementIdx);
}

Tests:

Splice It
spliceIt(array, 5);
filter It
filterIt(array, 5);

Run results for: Array.splice vs Array.filter

Test a speed difference between these 2 approaches

Splice It

filter It