Run results for: JS filter vs splice +indexOf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:135.0) Gecko/20100101 Firefox/135.0

Browser: Firefox 135

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Array.splice + Array.indexOf

48K/s

Array.filter

2K/s

View exact numbers

Test name	Executions per second
✓ Array.splice + Array.indexOf	48,391 Ops/sec
Array.filter	1,576 Ops/sec

Script Preparation code:

var arr = [];
var i = 0;

while (i <= 1E5) arr[i] = i++;

Tests: