pop-push.js

// if you want to delete last element of you array than you can use pop().
// pop() only deletes the last element from you array.

// if you want to add an element in your array at last then you can use push().
// push can only add elements at last.


let ary =  ["Javascript","Python","Ruby","Golang"];
console.log(ary);

ary.pop();
console.log(ary);

ary.push("Java");
console.log(ary);