const arr1 = [1,2,3] const arr2 = [4,5,6] const arr3 = [...arr1, ...arr2] //arr3 ==> [1,2,3,4,5,6]
var hege = ["Cecilie", "Lone"]; var stale = ["Emil", "Tobias", "Linus"]; var kai = ["Robin"]; var children = hege.concat(stale, kai);
const array1 = ['a', 'b', 'c']; const array2 = ['d', 'e', 'f']; const array3 = [...array1, ...array2]; console.log(array3); // expected output: Array ["a", "b", "c", "d", "e", "f"]