freeCodeCamp/Data Structures/stackClass.js

25 lines
606 B
JavaScript

// https://www.freecodecamp.org/learn/coding-interview-prep/data-structures/create-a-stack-class
function Stack() {
var collection = [];
this.print = function () {
console.log(collection);
};
// Only change code below this line
this.push = function (elem) {
collection.push(elem);
};
this.pop = function () {
return collection.pop();
};
this.peek = function () {
return collection[collection.length - 1];
};
this.isEmpty = function () {
return !collection.length;
};
this.clear = function () {
collection = [];
};
// Only change code above this line
}