Run results for: Array.splice with indexOf vs Array.filter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

filter It

83.3M/s

Splice It

41.7M/s

View exact numbers

Test name	Executions per second
✓ filter It	83,298,848 Ops/sec
Splice It	41,725,624 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, value){
  array.splice(array.indexOf(value), 1);
}

function filterIt(array, value){
  array = array.filter((el) => el !== value);
}

Tests:

Splice It
spliceIt(array, 'cxzcas');
filter It
filterIt(array, 'cxzcas');

Run results for: Array.splice with indexOf vs Array.filter

Test a speed difference between these 2 approaches

Splice It

filter It