Run results for: javascript concat vs spread operator vs push123123

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.134 Safari/537.36 Edg/103.0.1264.77

Browser: Chrome 103

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Script Preparation code:

var existed =new Array(10000).map(x => 1);

Tests:

concat
var params = [ "hello", true, 7 ]; var other = existed.concat(params);
spread operator
var params = [ "hello", true, 7 ]; var other = [ ...existed, ...params ];
push
var params = [ "hello", true, 7 ]; var other = existed.push(...params);