Run results for: Concat v Spread v Push

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 OPR/109.0.0.0 (Edition std-1)

Browser: Opera 109

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
Concat	10070563.0 Ops/sec
Spread	45215832.0 Ops/sec
Push	72087584.0 Ops/sec

Tests:

Concat
let params = [ "hello", true, 7 ]; let other = [ 1, 2 ].concat(params);
Spread
let params = [ "hello", true, 7 ] let other = [ 1, 2, ...params ]
Push
let params = ["hello", true] let other = [1, 2] params.push.apply(other)

Run results for: Concat v Spread v Push

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

Concat

Spread

Push