Run results for: arrays: concat vs spread

Run details:

User agent: Mozilla/5.0 (Linux; Android 10; K) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Mobile Safari/537.36 OPR/97.0.0.0

Browser: Opera Mobile 97

Operating system: Android

Device Platform: Mobile

Date tested: 3 months ago

spread operator

43.1M/s

Array.prototype.concat

9.8M/s

View exact numbers

Test name	Executions per second
✓ spread operator	43,125,516 Ops/sec
Array.prototype.concat	9,765,142 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 ]