Run results for: Filter vs indexOf Speed

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

remove finding element using indexof

822K/s

remove finding element using filter

23K/s

View exact numbers

Test name	Executions per second
✓ remove finding element using indexof	822,220 Ops/sec
remove finding element using filter	22,535 Ops/sec

Script Preparation code:


var testArray = [];
for (var i = 0; i < 10000; i++) {
  testArray.push(Math.floor(i * 1000) + 1)
}

Tests:

remove finding element using indexof
function removeElement(testArray, element) { return ( index = testArray.indexOf(element) !==-1) ? testArray.splice(index, 1):0; } removeElement(testArray, 2000001);
remove finding element using filter
function removeElement(testArray, element) { return testArray.filter(s => s !== element); } removeElement(testArray, 2000001);