Run results for: Array.prototype.concat vs spread operator 99

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

spread operator

10.7M/s

Array.prototype.concat

6.2M/s

View exact numbers

Test name	Executions per second
✓ spread operator	10,700,536 Ops/sec
Array.prototype.concat	6,232,537 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 ]