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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.79 Safari/537.36

Browser: Chrome 67

Operating system: Mac OS X 10.13.5

Device Platform: Desktop

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;