Run results for: concat vs spread1

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.80 Safari/537.36

Browser: Chrome 86

Operating system: Mac OS X 10.14.6

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Array.prototype.concat	1046957.0 Ops/sec
spread operator	14794530.0 Ops/sec

Tests:

Array.prototype.concat
var array1 = [ "hello", true, 7, { something: 'yes'} ]; var array2 = [ "hello again", false, 71, { something: 'no'} ]; var other = array1.concat(array2);
spread operator
var array1 = [ "hello", true, 7, { something: 'yes'} ]; var array2 = [ "hello again", false, 71, { something: 'no'} ]; var other = [...array1, ...array2];