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/123.0.0.0 Safari/537.36

Browser: Chrome 123

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

filter small

7.1M/s

slice small

4.8M/s

filter medium

2.6M/s

slice medium

2.3M/s

slice large

436K/s

filter large

298K/s

slice xlarge

41K/s

filter xlarge

28K/s

slice xxlarge

975/s

filter xxlarge

634/s

slice xxxlarge

122/s

filter xxxlarge

56/s

View exact numbers

Test name	Executions per second
✓ filter small	7,096,482 Ops/sec
slice small	4,807,440 Ops/sec
filter medium	2,605,267 Ops/sec
slice medium	2,304,129 Ops/sec
slice large	435,651 Ops/sec
filter large	298,433 Ops/sec
slice xlarge	41,252 Ops/sec
filter xlarge	27,651 Ops/sec
slice xxlarge	975 Ops/sec
filter xxlarge	634 Ops/sec
slice xxxlarge	122 Ops/sec
filter xxxlarge	56 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)