Run results for: splice or filter

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36

Browser: Chrome 139

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

filter

15.9M/s

splice

9.2M/s

View exact numbers

Test name	Executions per second
✓ filter	15,939,967 Ops/sec
splice	9,229,228 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) {
    const newArr = [...array]
    newArr.splice(elementIdx, 1);
    return newArr;
}

function filterIt(array, elementIdx) {
    return array.filter((el, idx) => idx !== elementIdx);
}

Tests:

filter
filterIt(array, 5);
splice
spliceIt(array, 5);