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

Run details:

User agent: Mozilla/5.0 (Linux; Android 6.0.1; ONE A2003) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.64 Mobile Safari/537.36

Browser: Chrome Mobile 70

Operating system: Android 6.0.1

Device Platform: Mobile

Date tested: 5 years ago

Script Preparation code:

var arr = Array(100).fill([{n: ''}]);

Tests:

Array.prototype.concat
var params = [ "hello", true, 7 ]; var other = arr.concat(params);
spread operator
var params = [ "hello", true, 7 ]; var other = [ ...arr, ...params ];
array.push
arr.push("hello", true, 7); var other = arr;