Run results for: filter vs slice

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:139.0) Gecko/20100101 Firefox/139.0

Browser: Firefox 139

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

filter small

43.4M/s

slice small

17.0M/s

filter medium

6.4M/s

slice medium

3.0M/s

filter large

735K/s

slice large

351K/s

filter xlarge

63K/s

slice xlarge

31K/s

filter xxlarge

4K/s

slice xxlarge

3K/s

filter xxxlarge

318/s

slice xxxlarge

200/s

View exact numbers

Test name	Executions per second
✓ filter small	43,372,968 Ops/sec
slice small	16,982,518 Ops/sec
filter medium	6,401,500 Ops/sec
slice medium	3,003,215 Ops/sec
filter large	735,356 Ops/sec
slice large	351,274 Ops/sec
filter xlarge	63,225 Ops/sec
slice xlarge	31,207 Ops/sec
filter xxlarge	4,146 Ops/sec
slice xxlarge	2,749 Ops/sec
filter xxxlarge	318 Ops/sec
slice xxxlarge	200 Ops/sec

Script Preparation code:

var small = Array.from({ length: 10 }, (_, i) => i);
var medium = Array.from({ length: 100 }, (_, i) => i);
var large = Array.from({ length: 1000 }, (_, i) => i);
var xlarge = Array.from({ length: 10000 }, (_, i) => i);
var xxlarge = Array.from({ length: 100000 }, (_, i) => i);
var xxxlarge = Array.from({ length: 1000000 }, (_, i) => i);
var xxxxlarge = Array.from({ length: 10000000 }, (_, i) => i);

var filter = (arr, index) => arr.filter((_, i) => i !== index);

var slice = (arr, index) => [...arr.slice(0 ,index), ...arr.slice(index+1)];

Tests:

filter small
filter(small, 5)
slice small
slice(small, 5)
filter medium
filter(medium, 50)
slice medium
slice(medium, 50)
filter large
filter(large, 500)
slice large
slice(large, 500)
filter xlarge
filter(xlarge, 5000)
slice xlarge
slice(xlarge, 5000)
filter xxlarge
filter(xxlarge, 50000)
slice xxlarge
slice(xxlarge, 50000)
filter xxxlarge
filter(xxxlarge, 50000)
slice xxxlarge
slice(xxxlarge, 500000)