Run results for: Array slice, splice and direct access

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/115.0

Browser: Firefox 115

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Script Preparation code:

arr = [...Array(1000).keys()];
inds = [...Array(250).keys()];

Tests:

Slice
res = inds.map(i => arr.slice(i*4, (i+1) *4));
Splice
res = [] for (const i of inds) { res.push(arr.splice(0,4)); }
Direct
res = inds.map(i => [arr[i*4], arr[(i*4)+1], arr[(i*4)+2], arr[(i*4)+3]]);