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

Run details:

User agent: Mozilla/5.0 (Linux; Android 8.1.0; Moto G4 Plus Build/OPM1.171019.021) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.109 Mobile Safari/537.36

Browser: Chrome Mobile 65

Operating system: Android 8.1.0

Device Platform: Moto G4 Plus

Date tested: 2024 years ago

Test name	Executions per second
Array.prototype.concat	433065.8 Ops/sec
spread operator	180958.5 Ops/sec
jQuery merge	103280.9 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);

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

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

Array.prototype.concat

spread operator

jQuery merge