Benchmark: Array.prototype.concat vs spread operator vs push test

Tests:

Array.prototype.concat
var original = [ 1, 2 ] var params = [ "hello", true, 7 ]; var other = original.concat(params);
spread operator
var original = [ 1, 2 ] var params = [ "hello", true, 7 ] var other = [ ...original, ...params ]
array push with spread
var original = [ 1, 2 ] var params = [ "hello", true, 7 ]; var other = (original).push(...params);

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36

Browser/OS: Chrome 139 on Mac OS X 10.15.7

array push with spread

101.1M/s

spread operator

62.1M/s

Array.prototype.concat

27.9M/s

View exact numbers

Array.prototype.concat vs spread operator vs push test (version: 1)