Run results for: Array.splice vs Array.filter V223

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36 Edg/131.0.0.0

Browser: Chrome 131

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

filter It

97.6M/s

Splice It

50.4M/s

View exact numbers

Test name	Executions per second
✓ filter It	97,627,736 Ops/sec
Splice It	50,388,996 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){
	const indexToRemove = array.findIndex((el) => el === "asdfeh5")
  array.splice(indexToRemove, 1);
}

function filterIt(array){
  array = array.filter((el) => el !== "asdfeh5");
}

Tests:

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

Run results for: Array.splice vs Array.filter V223

Test a speed difference between these 2 approaches

Splice It

filter It