Run results for: Array.push

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:61.0) Gecko/20100101 Firefox/61.0

Browser: Firefox 61

Operating system: Windows 7

Device Platform: Desktop

Date tested: 6 years ago

Script Preparation code:

var n = 10;
function Person(name, age) {
  this.name = name;
  this.age = age;
}

Tests:

direct addition
var arr = [ new Person(1 + '', 24), new Person(2 + '', 24), new Person(3 + '', 24), new Person(4 + '', 24), new Person(5 + '', 24), new Person(6 + '', 24), new Person(7 + '', 24), new Person(8 + '', 24), new Person(9 + '', 24), new Person(10 + '', 24) ].join(',');
Array.push without comma
var arr = []; arr.push (new Person(1 + '', 24)); arr.push (new Person(2 + '', 24)); arr.push (new Person(3 + '', 24)); arr.push (new Person(4 + '', 24)); arr.push (new Person(5 + '', 24)); arr.push (new Person(6 + '', 24)); arr.push (new Person(7 + '', 24)); arr.push (new Person(8 + '', 24)); arr.push (new Person(9 + '', 24)); arr.push (new Person(10 + '', 24)); arr.join(',');
Array.push with comma
var arr = []; arr.push ( new Person(1 + '', 24), new Person(2 + '', 24), new Person(3 + '', 24), new Person(4 + '', 24), new Person(5 + '', 24),new Person(6 + '', 24),new Person(7 + '', 24), new Person(8 + '', 24),new Person(9 + '', 24),new Person(10 + '', 24) ); arr.join(',');