Simple HTML Guessing Game - Play Now! - 常规

<!DOCTYPE html>
<html>
<head>
    <title>Simple HTML Guessing Game - Play Now!</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }
        body {
            background-color: #eee;
        }
        #game {
            width: 400px;
            margin: 20px auto;
            text-align: center;
        }
        #btn {
            background-color: #666;
            padding: 10px;
            color: #fff;
            font-size: 18px;
            border-radius: 3px;
            cursor: pointer;
        }
    </style>
</head>
<body>
    <div id='game'>
        <h3>Can you guess the number?</h3>
        <input type='text' id='guess' placeholder='Enter a number'>
        <br><br>
        <button id='btn'>Check Guess</button>
    </div>
    <script>
        let randomNumber = Math.floor(Math.random() * 10);
        console.log(randomNumber);
        let btn = document.getElementById('btn');
        btn.addEventListener('click', checkGuess);
        function checkGuess(){
            let guess = document.getElementById('guess').value;
            if(guess == randomNumber){
                alert('You guessed the number!');
            } else {
                alert('Sorry, try again!');
            }
        }
    </script>
</body>
</html>