Run results for: Filter vs indexOf Speed

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 2 years ago

remove finding element using indexof

208K/s

remove finding element using filter

24K/s

View exact numbers

Test name	Executions per second
✓ remove finding element using indexof	207,733 Ops/sec
remove finding element using filter	24,360 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);