Run results for: Array.splice vs Array.filter

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36

Browser: Chrome 131

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

filter It

26.4M/s

Splice It

20.3M/s

View exact numbers

Test name	Executions per second
✓ filter It	26,398,582 Ops/sec
Splice It	20,296,970 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