adding element to array javascript

var colors=["red","white"];
colors.push("blue");//append 'blue' to colors

array.push(element)

var fruits = ["Banana", "Orange", "Apple", "Mango"];

fruits.push("Kiwi"); 

var fruits = [ "Orange", "Apple", "Mango"];

fruits.push("Banana"); 

let langages = ['Javascript', 'Ruby', 'Python']
langages.push('Go') // => ['Javascript', 'Ruby', 'Python', 'Go']

const dart = 'Dart'
langages = [...langages, dart] // => ['Javascript', 'Ruby', 'Python', 'Go', 'Dart']

var fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.push("Kiwi");