Benchmark Run Result for: Array concat vs spread operator vs push timings

Array concat vs spread operator vs push timings

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

Date tested: one year ago

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.0.0 Safari/537.36

Test name	Executions per second
Array.prototype.concat	168244.2 Ops/sec
spread operator	171977.0 Ops/sec
Push	176082.5 Ops/sec

Benchmark definition (click to collapse):

Tests:

Array.prototype.concat
var params = [ 1, 2, 3 ]; var other = params.concat(4, 5); console.log(other);
spread operator
var params = [ "hello", true, 7 ] var other = [ ...params, 4, 5 ] console.log(other);
Push
var params = [ "hello", true, 7 ]; params.push(4, 5) var other = params; console.log(other);

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