Run results for: filter vs slice

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:134.0) Gecko/20100101 Firefox/134.0

Browser: Firefox 134

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

filter small

12.9M/s

slice small

10.2M/s

slice medium

1.8M/s

filter medium

1.7M/s

slice large

213K/s

filter large

184K/s

slice xlarge

20K/s

filter xlarge

17K/s

slice xxlarge

2K/s

filter xxlarge

2K/s

slice xxxlarge

179/s

filter xxxlarge

165/s

View exact numbers

Test name	Executions per second
✓ filter small	12,926,338 Ops/sec
slice small	10,183,486 Ops/sec
slice medium	1,778,193 Ops/sec
filter medium	1,656,993 Ops/sec
slice large	212,901 Ops/sec
filter large	184,368 Ops/sec
slice xlarge	19,921 Ops/sec
filter xlarge	17,353 Ops/sec
slice xxlarge	1,866 Ops/sec
filter xxlarge	1,609 Ops/sec
slice xxxlarge	179 Ops/sec
filter xxxlarge	165 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)