Run results for: Filter vs indexOf Speed

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 15_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) EdgiOS/102.0.1245.39 Version/15.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.5

Device Platform: Tablet

Date tested: one year ago

Test name	Executions per second
remove finding element using indexof	177245.2 Ops/sec
remove finding element using filter	17584.3 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);

Run results for: Filter vs indexOf Speed

Filter vs indexOf in array remove element Javascript

remove finding element using indexof

remove finding element using filter