JavaScript Lab: Guessing Game CSD2103

Learning Outcome:

Write an HTML file and corresponding javascript file to make a number guessing game between human user and computer.
Use CSS to Style your Page.


An HTML file and a corresponding JavaScript file to create a simple number guessing game. The computer will generate a random number between 1 and 100, and the user will try to guess the number.
Create an HTML file, index.html, with the following content:
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Number Guessing Game</title> <link rel="stylesheet" href="style.css"></head><body> <h1>Number Guessing Game</h1> <p>Try to guess the number between 1 and 100:</p> <input type="number" id="userGuess" min="1" max="100"> <button id="submitGuess">Submit Guess</button> <p id="message"></p> <script src="script.js"></script></body></html>
Next, create a JavaScript file, script.js, with the following content:
javascriptCopy codedocument.getElementById('submitGuess').addEventListener('click', function () { const randomNumber = Math.floor(Math.random() * 100) + 1; const userGuess = parseInt(document.getElementById('userGuess').value); let message;
if (userGuess < 1 || userGuess > 100) { message = 'Invalid input. Please enter a number between 1 and 100.'; } else if (userGuess === randomNumber) { message = 'Congratulations! You guessed the correct number!'; } else if (userGuess < randomNumber) { message = 'Your guess is too low. The correct number was ' + randomNumber + '.'; } else { message = 'Your guess is too high. The correct number was ' + randomNumber + '.'; }
document.getElementById('message').textContent = message;});
This code will create a simple number guessing game where the user can input a number and click the "Submit Guess" button. The script will generate a random number between 1 and 100 and compare it with the user's guess. The result will be displayed as a message below the button.
You can also create an optional CSS file, style.css, to style the game:
cssCopy codebody { font-family: Arial, sans-serif; text-align: center; background-color: #f0f0f0; padding: 50px;}
input[type="number"] { width: 50px; text-align: center;}
button { background-color: #4CAF50; color: white; padding: 5px 15px; border: none; cursor: pointer;}
button:hover { background-color: #45a049;}
This CSS file will style the game with a simple design and make the "Submit Guess" button change color when hovered.
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