Run results for: Remove an item from array; indexOf + splice vs filter 2

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 130

Operating system: Android

Device Platform: Mobile

Date tested: one year ago

filter

3.7M/s

indexOf + splice

2.9M/s

View exact numbers

Test name	Executions per second
✓ filter	3,671,965 Ops/sec
indexOf + splice	2,922,317 Ops/sec

Script Preparation code:

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

Tests:

indexOf + splice
arr.splice(arr.indexOf(itemToRemove), 1)
filter
arr = arr.filter(el => el !== itemToRemove)