JavaScript - stack implementation

In this article, we would like to show you how to implement a stack data structure in JavaScript.

In JavaScript, a stack data structure is combined with an array.

There are two methods that we use to modify the stack:

• push() method - to put the value at the top of the stack,
• pop() method - to remove value from the top of the stack

Practical example:

// ONLINE-RUNNER:browser;

let stack = [];      //  stack:
stack.push(1);       //  [1]
stack.push(2);       //  [1, 2]
stack.push(3);       //  [1, 2, 3]
stack.pop();         //  [1, 2]
console.log(stack);  //  1,2

Output:

1,2