Run results for: Array concat vs spread operator vs push v3

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 15_6_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.6.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 15

Operating system: iOS 15.6.1

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
Array.prototype.concat	15330820.0 Ops/sec
spread operator	436773300.0 Ops/sec
Push	8557991.0 Ops/sec

Tests:

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

Run results for: Array concat vs spread operator vs push v3

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

Array.prototype.concat

spread operator

Push