javascript pop

var cars = ['mazda', 'honda', 'tesla'];
var telsa=cars.pop(); //cars is now just mazda,honda 

let cats = ['Bob'];

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

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

function alertSomethingOrPopUp()
{
  alert("Hi! This is a popup!");
}
alertSomethingOrPopUp();

 let array = ["A", "B", "C"];

//Removes the last element of the array
 array.pop();

//===========================
 console.log(array);
//output =>
//["A", "B"]

//if you want to remove more varibles in the array,
//insted of using push you can simply define the length of the array 
 let array1 = [1, 2, 3, 4, 5, 6];
  
//Defines the length of the array to 2, removing the elements
//after the second element
 array1.length = 2;
  
//===========================
 console.log(array1);
//output =>
//["1", "2"]

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

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

let monTableau = ['un', 'deux','trois', 'quatre'] ;
monTableau.pop() ; 
console.log(monTableau) ;
 

let cats = ['Bob'];

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

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

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

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