freeCodeCamp/curriculum/challenges/arabic/08-coding-interview-prep/data-structures/create-a-stack-class.arabic.md

id	title	challengeType	videoUrl	localeTitle
587d8250367417b2b2512c5f	Create a Stack Class	1

Description

undefined

Instructions

undefined

Tests

tests:
  - text: ''
    testString: 'assert((function(){var test = new Stack(); return (typeof test.push === "function")}()), "Your <code>Stack</code> class should have a <code>push</code> method.");'
  - text: ''
    testString: 'assert((function(){var test = new Stack(); return (typeof test.pop === "function")}()), "Your <code>Stack</code> class should have a <code>pop</code> method.");'
  - text: ''
    testString: 'assert((function(){var test = new Stack(); return (typeof test.peek === "function")}()), "Your <code>Stack</code> class should have a <code>peek</code> method.");'
  - text: ''
    testString: 'assert((function(){var test = new Stack(); return (typeof test.isEmpty === "function")}()), "Your <code>Stack</code> class should have a <code>isEmpty</code> method.");'
  - text: ''
    testString: 'assert((function(){var test = new Stack(); return (typeof test.clear === "function")}()), "Your <code>Stack</code> class should have a <code>clear</code> method.");'
  - text: ''
    testString: 'assert((function(){var test = new Stack();  test.push("CS50"); return (test.peek() === "CS50")}()), "The <code>peek</code> method should return the top element of the stack");'
  - text: ''
    testString: 'assert((function(){var test = new Stack(); test.push("CS50"); return (test.pop() === "CS50");}()), "The <code>pop</code> method should remove and return the top element of the stack");'
  - text: ''
    testString: 'assert((function(){var test = new Stack(); return test.isEmpty()}()), "The <code>isEmpty</code> method should return true if a stack does not contain any elements");'
  - text: ''
    testString: 'assert((function(){var test = new Stack();  test.push("CS50"); test.clear(); return (test.isEmpty())}()), "The <code>clear</code> method should remove all element from the stack");'

Challenge Seed

function Stack() {
    var collection = [];
    this.print = function() {
        console.log(collection);
    };
    // Only change code below this line

    // Only change code above this line
}

Solution

// solution required