<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <link rel="stylesheet" href="style.css" />
    <title>Hangman</title>
  </head>
  <body>
    <h1>Hangman</h1>
    <p>Find the hidden word - Enter a letter</p>
    <div class="game-container">
      <svg height="250" width="200" class="figure-container">
        <!-- Rod -->
        <line x1="60" y1="20" x2="140" y2="20" />
        <line x1="140" y1="20" x2="140" y2="50" />
        <line x1="60" y1="20" x2="60" y2="230" />
        <line x1="20" y1="230" x2="100" y2="230" />

        <!-- Head -->
        <circle cx="140" cy="70" r="20" class="figure-part" />
        <!-- Body -->
        <line x1="140" y1="90" x2="140" y2="150" class="figure-part" />
        <!-- Arms -->
        <line x1="140" y1="120" x2="120" y2="100" class="figure-part" />
        <line x1="140" y1="120" x2="160" y2="100" class="figure-part" />
        <!-- Legs -->
        <line x1="140" y1="150" x2="120" y2="180" class="figure-part" />
        <line x1="140" y1="150" x2="160" y2="180" class="figure-part" />
      </svg>

      <div class="wrong-letters-container">
        <div id="wrong-letters"></div>
      </div>

      <div class="word" id="word"></div>
    </div>

    <!-- Container for final message -->
    <div class="popup-container" id="popup-container">
      <div class="popup">
        <h2 id="final-message"></h2>
        <h3 id="final-message-reveal-word"></h3>
        <button id="play-button">Play Again</button>
      </div>
    </div>

    <!-- Notification -->
    <div class="notification-container" id="notification-container">
      <p>You have already entered this letter</p>
    </div>

    <script src="script.js"></script>
  </body>
</html>
* {
  box-sizing: border-box;
}

body {
  background-color: #34495e;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 80vh;
  margin: 0;
  overflow: hidden;
}

h1 {
  margin: 20px 0 0;
}

.game-container {
  padding: 20px 30px;
  position: relative;
  margin: auto;
  height: 350px;
  width: 450px;
}

.figure-container {
  fill: transparent;
  stroke: #fff;
  stroke-width: 4px;
  stroke-linecap: round;
}

.figure-part {
  display: none;
}

.wrong-letters-container {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  text-align: right;
}

.wrong-letters-container p {
  margin: 0 0 5px;
}

.wrong-letters-container span {
  font-size: 24px;
}

.word {
  display: flex;
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
}

.letter {
  border-bottom: 3px solid #2980b9;
  display: inline-flex;
  font-size: 30px;
  align-items: center;
  justify-content: center;
  margin: 0 3px;
  height: 50px;
  width: 20px;
}

.popup-container {
  background-color: rgba(0, 0, 0, 0.3);
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  /* display: flex; */
  display: none;
  align-items: center;
  justify-content: center;
}

.popup {
  background: #2980b9;
  border-radius: 5px;
  box-shadow: 0 15px 10px 3px rgba(0, 0, 0, 0.1);
  padding: 20px;
  text-align: center;
}

.popup button {
  cursor: pointer;
  background-color: #fff;
  color: #2980b9;
  border: 0;
  margin-top: 20px;
  padding: 12px 20px;
  font-size: 16px;
}

.popup button:active {
  transform: scale(0.98);
}

.popup button:focus {
  outline: 0;
}

.notification-container {
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 10px 10px 0 0;
  padding: 15px 20px;
  position: absolute;
  bottom: -50px;
  transition: transform 0.3s ease-in-out;
}

.notification-container p {
  margin: 0;
}

.notification-container.show {
  transform: translateY(-50px);
}
const wordEl = document.getElementById('word');
const wrongLettersEl = document.getElementById('wrong-letters');
const playAgainBtn = document.getElementById('play-button');
const popup = document.getElementById('popup-container');
const notification = document.getElementById('notification-container');
const finalMessage = document.getElementById('final-message');
const finalMessageRevealWord = document.getElementById('final-message-reveal-word');

const figureParts = document.querySelectorAll('.figure-part');

const words = ['application', 'programming', 'interface', 'wizard'];

let selectedWord = words[Math.floor(Math.random() * words.length)];

let playable = true;

const correctLetters = [];
const wrongLetters = [];

// Show hidden word
function displayWord() {
	wordEl.innerHTML = `
    ${selectedWord
			.split('')
			.map(
				letter => `
          <span class="letter">
            ${correctLetters.includes(letter) ? letter : ''}
          </span>
        `
			)
			.join('')}
  `;

	const innerWord = wordEl.innerText.replace(/[ \n]/g, '');

	if (innerWord === selectedWord) {
		finalMessage.innerText = 'Congratulations! You won! 😃';
		popup.style.display = 'flex';

		playable = false;
	}
}

// Update the wrong letters
function updateWrongLettersEl() {
	// Display wrong letters
	wrongLettersEl.innerHTML = `
    ${wrongLetters.length > 0 ? '<p>Wrong</p>' : ''}
    ${wrongLetters.map(letter => `<span>${letter}</span>`)}
  `;

	// Display parts
	figureParts.forEach((part, index) => {
		const errors = wrongLetters.length;

		if (index < errors) {
			part.style.display = 'block';
		} else {
			part.style.display = 'none';
		}
	});

	// Check if lost
	if (wrongLetters.length === figureParts.length) {
		finalMessage.innerText = 'Unfortunately you lost. 😕';
		finalMessageRevealWord.innerText = `...the word was: ${selectedWord}`;
		popup.style.display = 'flex';

		playable = false;
	}
}

// Show notification
function showNotification() {
	notification.classList.add('show');

	setTimeout(() => {
		notification.classList.remove('show');
	}, 2000);
}

// Keydown letter press
window.addEventListener('keydown', e => {
	if (playable) {
		if (e.keyCode >= 65 && e.keyCode <= 90) {
			const letter = e.key.toLowerCase();

			if (selectedWord.includes(letter)) {
				if (!correctLetters.includes(letter)) {
					correctLetters.push(letter);

					displayWord();
				} else {
					showNotification();
				}
			} else {
				if (!wrongLetters.includes(letter)) {
					wrongLetters.push(letter);

					updateWrongLettersEl();
				} else {
					showNotification();
				}
			}
		}
	}
});

// Restart game and play again
playAgainBtn.addEventListener('click', () => {
	playable = true;

	//  Empty arrays
	correctLetters.splice(0);
	wrongLetters.splice(0);

	selectedWord = words[Math.floor(Math.random() * words.length)];

	displayWord();

	updateWrongLettersEl();

	popup.style.display = 'none';
});

displayWord();

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.