does array concat creates new array code example

Example 1: concat array javascript

const letters = ['a', 'b', 'c'];
const numbers = [1, 2, 3];

const newArray = letters.concat(numbers);
// newArrat is ['a', 'b', 'c', 1, 2, 3]

Example 2: concat 2 arrays

var hege = ["Cecilie", "Lone"];

var stale = ["Emil", "Tobias", "Linus"];

var children = hege.concat(stale);