Run results for: Splice vs Filter

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Filter

5.9M/s

Splice

5.4M/s

View exact numbers

Test name	Executions per second
✓ Filter	5,918,674 Ops/sec
Splice	5,437,998 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