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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser: Chrome 128

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

spread operator

37.2M/s

Array.prototype.concat

9.5M/s

View exact numbers

Test name	Executions per second
✓ spread operator	37,237,896 Ops/sec
Array.prototype.concat	9,524,652 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 ]