Run results for: Array.prototype.concat vs spread operator vs push

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 11_4_1 like Mac OS X) AppleWebKit/604.1.34 (KHTML, like Gecko) CriOS/68.0.3440.83 Mobile/15G77 Safari/604.1

Browser: Chrome Mobile iOS 68

Operating system: iOS 11.4.1

Device Platform: Mobile

Date tested: 5 years ago

Test name	Executions per second
Array.prototype.concat	9009143.0 Ops/sec
spread operator	45773700.0 Ops/sec
jQuery merge	0.0 Ops/sec
Push	20567840.0 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 ]
jQuery merge
var params = [ "hello", true, 7 ]; var other = $.merge([1, 2], params);
Push
var params = [ "hello", true, 7 ]; params.push(1); params.push(2);

Run results for: Array.prototype.concat vs spread operator vs push

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

Array.prototype.concat

spread operator

jQuery merge

Push