Run results for: Splice vs Filter

Run details:

User agent: Mozilla/5.0 (Android 9; Tablet; rv:66.0) Gecko/66.0 Firefox/66.0

Browser: Firefox 66

Operating system: Android

Device Platform: Tablet

Date tested: 5 years ago

Test name	Executions per second
Filter	2887144.5 Ops/sec
Splice	4066581.5 Ops/sec

Script Preparation code:


var arr = [{id: 3, name: 'foo'}, {id: 9, name: 'foo'}, {id: 14, name: 'foo'}, {id: 83, name: 'foo'}, {id: 72, name: 'foo'}, {id: 16, name: 'foo'}, {id: 12, name: 'foo'}, {id: 4, name: 'foo'}, {id: 234, name: 'foo'}];

Tests:

Filter
return arr = arr.filter(a => a.id !== 12)
Splice
var index = arr.indexOf(a => a.id === 12) arr.splice(index, 1) return arr