Benchmark: Array concat vs spread operator vs push fork

Script Preparation code:

var array = Array(100);
array.fill(1);

var params = Array(100);
params.fill(2);

Tests:

Array.prototype.concat
array = array.concat(params);
spread operator
array = [ ...array, ...params ]
Push spread
array.push(...params);
Push
for (let index = 0; index < params.length; ++index) array.push(params[index]);

Rendered benchmark preparation results:

Previous results

ⓘ Get performance results from real users on your website with Request Metrics.

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.27 Safari/537.36 Edg/99.0.1150.16

Browser/OS: Chrome 99 on Linux

Array concat vs spread operator vs push fork (version: 1)