Run results for: filter vs slice

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:132.0) Gecko/20100101 Firefox/132.0

Browser: Firefox 132

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

filter small

10.8M/s

slice small

5.6M/s

filter medium

1.6M/s

slice medium

875K/s

filter large

169K/s

slice large

71K/s

filter xlarge

21K/s

slice xlarge

7K/s

filter xxlarge

911/s

slice xxlarge

531/s

filter xxxlarge

110/s

slice xxxlarge

51/s

View exact numbers

Test name	Executions per second
✓ filter small	10,843,013 Ops/sec
slice small	5,620,010 Ops/sec
filter medium	1,597,470 Ops/sec
slice medium	875,125 Ops/sec
filter large	168,876 Ops/sec
slice large	70,892 Ops/sec
filter xlarge	20,915 Ops/sec
slice xlarge	7,356 Ops/sec
filter xxlarge	911 Ops/sec
slice xxlarge	531 Ops/sec
filter xxxlarge	110 Ops/sec
slice xxxlarge	51 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)