Run results for: filter vs slice

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Mobile Safari/537.36

Browser: Chrome Mobile 120

Operating system: Android

Device Platform: Mobile

Date tested: 2 years ago

Benchmark engine: Benchmark.js

filter small

2.4M/s

slice small

1.8M/s

filter medium

515K/s

slice medium

475K/s

slice large

98K/s

filter large

69K/s

slice xlarge

13K/s

filter xlarge

10K/s

filter xxlarge

546/s

slice xxlarge

511/s

filter xxxlarge

37/s

slice xxxlarge

28/s

View exact numbers

Test name	Executions per second
✓ filter small	2,435,084 Ops/sec
slice small	1,767,110 Ops/sec
filter medium	515,279 Ops/sec
slice medium	475,020 Ops/sec
slice large	97,987 Ops/sec
filter large	69,485 Ops/sec
slice xlarge	13,338 Ops/sec
filter xlarge	10,062 Ops/sec
filter xxlarge	546 Ops/sec
slice xxlarge	511 Ops/sec
filter xxxlarge	37 Ops/sec
slice xxxlarge	28 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)