Crack-The-Code Game using JavaScript Last Updated : 29 Jul, 2024 Comments Improve Suggest changes Like Article Like Report It is quite easy to develop with some simple mathematics. A player has to guess the 3 numbers in order to win this game by using 5 simple hints. This is going to be a very interesting game. This game is built using simple mathematics in JavaScript.Prerequisites: Basic knowledge of some front-end technologies like HTML, CSS, JavaScript, and Bootstrap.View of Crack-The-CodeFilename: index.html HTML <!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <title>Crack-The-Code Game</title> <!-- Bootstrap CDN starts--> <link rel="stylesheet" href= "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" crossorigin="anonymous"> <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" crossorigin="anonymous"> </script> <script src= "https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js" crossorigin="anonymous"> </script> <script src= "https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" crossorigin="anonymous"> </script> <!-- Bootstrap CDN ends --> <!-- Font Awesome kit --- for icons --> <script src="https://kit.fontawesome.com/788fc8cac3.js" crossorigin="anonymous"> </script> <!-- Google font CDN for Yeon Sung font --> <link rel="preconnect" href="https://fonts.gstatic.com"> <link href= "https://fonts.googleapis.com/css2?family=Yeon+Sung&display=swap" rel="stylesheet"> <!-- Google font CDN ends --> <!-- Internal CSS --> <style> * { font-family: 'Yeon Sung', cursive; } input { width: 60px; height: 40px; border-radius: 5px; text-align: center; } </style> </head> <body> <!--Popup Modal --> <div class="modal fade" id="popup" tabindex="-1" role="dialog" aria-labelledby="popupLabel" aria-hidden="true"> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <h5 class="modal-title text-danger font-weight-bold" id="popupLabel"> Pop Up </h5> <button type="button" class="close" data-dismiss="modal" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> <div class="modal-body"> <h3 id="result" class="text-center"></h3> </div> <div class="modal-footer"> <button type="button" class="btn btn-secondary" data-dismiss="modal"> Close </button> </div> </div> </div> </div> <!-- Popup Modal --> <div class="container my-4"> <h1 class="text-center my-4"><i class="fas fa-unlock-alt"></i> Crack The Code</h1> <!-- 3 input fields --> <div class="text-center"> <input type="text" id="b1"> <input type="text" id="b2"> <input type="text" id="b3"> <br /> <!-- Button to check result --> <button class="btn btn-secondary mt-4" onclick="myfunc();"> <i class="fas fa-key"></i> Check </button> </div> <hr> <!-- Hints starts --> <div id="hints" class="row m-auto"> <div id="hintOne"> <div class="card m-4" style="width: 18rem;"> <div class="card-header card-title"> <h5 class="card-title text-center"> <i class="far fa-lightbulb"></i> Hint #1 </h5> </div> <div class="card-body"> <p id="h1" class="text-center"></p> <h5 class="text-center"> One Number is correct and well placed </h5> </div> </div> </div> <div id="hintTwo"> <div class="card m-4" style="width: 18rem;"> <div class="card-header card-title"> <h5 class="card-title text-center"> <i class="far fa-lightbulb"></i> Hint #2 </h5> </div> <div class="card-body"> <p id="h2" class="text-center"></p> <h5 class="text-center"> One Number is correct but wrong placed </h5> </div> </div> </div> <div id="hintThree"> <div class="card m-4" style="width: 18rem;"> <div class="card-header card-title"> <h5 class="card-title text-center"> <i class="far fa-lightbulb"></i> Hint #3 </h5> </div> <div class="card-body"> <p id="h3" class="text-center"></p> <h5 class="text-center"> Two numbers are correct but wrong placed </h5> </div> </div> </div> <div id="hintFour"> <div class="card m-4" style="width: 18rem;"> <div class="card-header card-title"> <h5 class="card-title text-center"> <i class="far fa-lightbulb"></i> Hint #4 </h5> </div> <div class="card-body"> <p id="h4" class="text-center"></p> <h5 class="text-center"> Nothing is Correct </h5> </div> </div> </div> <div id="hintFive"> <div class="card m-4" style="width: 18rem;"> <div class="card-header card-title"> <h5 class="card-title text-center"> <i class="far fa-lightbulb"></i> Hint #5 </h5> </div> <div class="card-body"> <p id="h5" class="text-center"></p> <h5 class="text-center"> One Number is correct but wrong placed </h5> </div> </div> </div> </div> <!-- Hints ends --> </div> </body> <!-- JavaScript file included --> <script src="script.js"></script> </html> Filename: script.js JavaScript // Number to decide the game digit i.e. // game work on 2 digit, 3 digit or n // digit of number. const digit = 100; // Set random numbers. The task of user // is to find these numbers. let num1 = Math.floor(Math.random() * digit); let num2 = Math.floor(Math.random() * digit); let num3 = Math.floor(Math.random() * digit); // Hints are generated here onwards. // Hint 1 let h1_a = Math.floor(Math.random() * digit); let h1_b = Math.floor(Math.random() * digit); let h1_c = num3; // Hint 2 let h2_a = Math.floor(Math.random() * digit); let h2_b = Math.floor(Math.random() * digit); let h2_c = num2; //Hint 3 let h3_a = num2; let h3_b = num1; let h3_c = Math.floor(Math.random() * digit); // Hint 4 let h4_a = Math.floor(Math.random() * digit); let h4_b = Math.floor(Math.random() * digit); let h4_c = Math.floor(Math.random() * digit); // Hint 5 let h5_a = Math.floor(Math.random() * digit); let h5_b = Math.floor(Math.random() * digit); let h5_c = num1; // Hint generation ends // Putting hints to index.html page document.getElementById('h1').innerHTML = `<input type="text" id="b1" value="${h1_a} " readonly> <input type="text" id="b1" value=" ${h1_b}" readonly> <input type="text" id="b1" value="${h1_c}" readonly> `; document.getElementById('h2').innerHTML = `<input type="text" id="b1" value="${h2_a} " readonly> <input type="text" id="b1" value="${h2_b}" readonly> <input type="text" id="b1" value="${h2_c}" readonly> `; document.getElementById('h3').innerHTML = `<input type="text" id="b1" value="${h3_a} " readonly> <input type="text" id="b1" value="${h3_b}" readonly> <input type="text" id="b1" value="${h3_c}" readonly> `; document.getElementById('h4').innerHTML = `<input type="text" id="b1" value="${h4_a} " readonly> <input type="text" id="b1" value="${h4_b}" readonly> <input type="text" id="b1" value="${h4_c}" readonly> `; document.getElementById('h5').innerHTML = `<input type="text" id="b1" value="${h5_a} " readonly> <input type="text" id="b1" value="${h5_b}" readonly> <input type="text" id="b1" value="${h5_c}" readonly> `; // Function to check whether game is solved or not function myfunc() { // Getting value of user though input fields. let a = document.getElementById('b1').value; let b = document.getElementById('b2').value; let c = document.getElementById('b3').value; // Checking whether input fields is blank or not if (a != '' && b != '' && c != '') { if (a == num1 && b == num2 && c == num3) { // Outputting this message to index.html // page with id result. $('#result').html('You Crack it.????'); // Opening popup modal $('#popup').modal('toggle'); } else { // Outputting this message to index.html // page with id result. $('#result').html('Try once again.????'); // Opening popup modal $('#popup').modal('toggle') } } else { // Outputting this message to index.html // page with id result. $('#result').html('Fill all fields.????'); // Opening popup modal $('#popup').modal('toggle'); } } Step to run the program:Run the index.html file by opening it in any browser.Output:When player left the input field blank.When answer is wrongWhen you crack it Comment More infoAdvertise with us A asmitsirohi Follow Improve Article Tags : Technical Scripter JavaScript Web Technologies HTML Bootstrap Technical Scripter 2020 JavaScript-Questions +3 More Similar Reads Create a snake game using HTML, CSS and JavaScript Snake Game is a single-player game where the snake gets bigger by eating the food and tries to save itself from the boundary of the rectangle and if the snake eats their own body the game will be over.Game Rules:If the snake goes out of the boundary or eats its own body the game will be over.Prerequ 4 min read Design Dragon's World Game using HTML CSS and JavaScript Project Introduction: "Dragon's World" is a game in which one dragon tries to save itself from the other dragon by jumping over the dragon which comes in its way. 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