Run results for: filter vs slice

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0

Browser: Chrome 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

filter small

6.9M/s

slice small

5.0M/s

filter medium

2.6M/s

slice medium

2.5M/s

slice large

432K/s

filter large

308K/s

slice xlarge

36K/s

filter xlarge

29K/s

slice xxlarge

885/s

filter xxlarge

629/s

slice xxxlarge

109/s

filter xxxlarge

50/s

View exact numbers

Test name	Executions per second
✓ filter small	6,862,820 Ops/sec
slice small	5,033,854 Ops/sec
filter medium	2,575,377 Ops/sec
slice medium	2,468,152 Ops/sec
slice large	432,407 Ops/sec
filter large	307,952 Ops/sec
slice xlarge	35,565 Ops/sec
filter xlarge	29,485 Ops/sec
slice xxlarge	885 Ops/sec
filter xxlarge	629 Ops/sec
slice xxxlarge	109 Ops/sec
filter xxxlarge	50 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)