Run results for: Array construct vs array push vs array concat

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:79.0) Gecko/20100101 Firefox/79.0

Browser: Firefox 79

Operating system: Mac OS X 10.14

Device Platform: Desktop

Date tested: 4 years ago

Tests:

array construct
let a = []; for(let i=0; i <= 1000; i=i+1) { a = [...a, i ]; };
array push
const a = []; for(let i=0; i <= 1000; i = i + 1) { a.push(i); };
array concat
let a = []; for(let i=0; i <= 1000; i = i + 1) { a = a.concat([i]); };