Run results for: FindIndex + splice vs filter

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/143.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 143

Operating system: Android

Device Platform: Mobile

Date tested: 7 months ago

filter

62.0M/s

FindIndex + splice

27.8M/s

View exact numbers

Test name	Executions per second
✓ filter	61,984,892 Ops/sec
FindIndex + splice	27,778,082 Ops/sec

Script Preparation code:

var arr = new Array(15000);
arr.fill({ id: 0 });
arr = arr.map((el, idx) => el.id = idx);
var foo = Math.floor(Math.random() * 15000);

Tests:

FindIndex + splice
var index = arr.indexOf(foo); var newArr = arr.splice(index, 1);
filter
var index = arr.filter(el => el !== foo)