JAVASCRIPT

difference between shift and unshift in javascript

// Shift (remove) the first element of the array:
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.shift(); //Orange,Apple,Mango

// Add new elements to an array:
const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.unshift("Lemon","Pineapple"); //Lemon,Pineapple,Banana,Orange,Apple,Mango

shift and unshift js

let cats = ['Bob', 'Willy', 'Mini'];

cats.shift(); // ['Willy', 'Mini']

let cats = ['Bob']; 

cats.unshift('Willy'); // ['Willy', 'Bob']

cats.unshift('Puff', 'George'); // ['Puff', 'George', 'Willy', 'Bob']