Run results for: Array.prototype.concat vs spread operator22

Run details:

User agent: Mozilla/5.0 (iPad; CPU OS 15_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) EdgiOS/103.0.1264.77 Version/15.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.4

Device Platform: Tablet

Date tested: 2 years ago

Test name	Executions per second
Array.prototype.concat	16193862.0 Ops/sec
spread operator	358335296.0 Ops/sec

Tests:

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

Run results for: Array.prototype.concat vs spread operator22

Compare the new ES6 spread operator with the traditional concat() method

Array.prototype.concat

spread operator