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/146.0.0.0 Safari/537.36

Browser: Chrome 146

Operating system: Windows

Device Platform: Desktop

Date tested: 5 months ago

Benchmark engine: Benchmark.js

slice small

7.0M/s

filter small

4.8M/s

slice medium

1.6M/s

filter medium

549K/s

slice large

159K/s

filter large

52K/s

slice xlarge

19K/s

filter xlarge

6K/s

slice xxlarge

2K/s

filter xxlarge

559/s

slice xxxlarge

133/s

filter xxxlarge

47/s

View exact numbers

Test name	Executions per second
✓ slice small	7,030,195 Ops/sec
filter small	4,816,924 Ops/sec
slice medium	1,550,237 Ops/sec
filter medium	548,969 Ops/sec
slice large	158,540 Ops/sec
filter large	51,860 Ops/sec
slice xlarge	18,912 Ops/sec
filter xlarge	5,609 Ops/sec
slice xxlarge	1,559 Ops/sec
filter xxlarge	559 Ops/sec
slice xxxlarge	133 Ops/sec
filter xxxlarge	47 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)