Benchmark: Pushing onto an array in a loop vs pushing with the spread operator

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const data = new Array(100);
data.fill(1);

Tests:

Push with a for...of loop
const destination = []; for (const elem of data) { destination.push(elem); }
Push with spread
const destination = []; destination.push(...data);
Push with a classic for loop
const destination = []; for (let i = 0; i < data.length; i++) { destination.push(data[i]); }

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: 4 days ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.0.0 Safari/537.36

Browser/OS: Chrome 153 on Linux

Push with spread

6.6M/s

Push with a for...of loop

4.0M/s

Push with a classic for loop

1.2M/s

View exact numbers

Pushing onto an array in a loop vs pushing with the spread operator (version: 1) Benchmark.js