Run results for: FindIndex + splice vs filter

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/60.5 Safari/605.1.15

Browser: Safari 60

Operating system: Linux

Device Platform: Desktop

Date tested: 4 months ago

filter

49.4M/s

FindIndex + splice

28.2M/s

View exact numbers

Test name	Executions per second
✓ filter	49,403,924 Ops/sec
FindIndex + splice	28,219,396 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)