chat-app/index.html at main · param20h/chat-app · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Chat App</title>
    <style>
        body { font-family: Arial, sans-serif; margin: 0; padding: 20px; }
        #messages { border: 1px solid #ccc; height: 300px; overflow-y: scroll; padding: 10px; margin-bottom: 10px; }
        #messageInput { width: 70%; padding: 5px; }
        #sendBtn { padding: 5px 10px; }
        .message { margin: 5px 0; }
        .user { font-weight: bold; color: #007bff; }
    </style>
</head>
<body>
    <h1>Chat App</h1>
    <div>
        <label>Your name: </label>
        <input type="text" id="nameInput" placeholder="Enter your name" value="Person 1" />
    </div><br>
    <div id="messages"></div>
    <input type="text" id="messageInput" placeholder="Type your message..." />
    <button id="sendBtn">Send</button>

    <script>
        const messages = document.getElementById('messages');
        const messageInput = document.getElementById('messageInput');
        const sendBtn = document.getElementById('sendBtn');

        function addMessage(user, text) {
            const div = document.createElement('div');
            div.className = 'message';
            div.innerHTML = `<span class="user">${user}:</span> ${text}`;
            messages.appendChild(div);
            messages.scrollTop = messages.scrollHeight;
        }

        function sendMessage() {
            const text = messageInput.value.trim();
            const name = document.getElementById('nameInput').value.trim() || 'Anonymous';
            if (text) {
                addMessage(name, text);
                messageInput.value = '';

                // Store message in localStorage for other person to see
                const messages = JSON.parse(localStorage.getItem('chatMessages') || '[]');
                messages.push({ user: name, text: text, timestamp: Date.now() });
                localStorage.setItem('chatMessages', JSON.stringify(messages));
            }
        }

        function loadMessages() {
            const storedMessages = JSON.parse(localStorage.getItem('chatMessages') || '[]');
            storedMessages.forEach(msg => addMessage(msg.user, msg.text));
        }

        // Load existing messages on page load
        loadMessages();

        // Check for new messages every second
        setInterval(() => {
            const currentCount = document.querySelectorAll('.message').length;
            const storedMessages = JSON.parse(localStorage.getItem('chatMessages') || '[]');
            if (storedMessages.length > currentCount) {
                const newMessages = storedMessages.slice(currentCount);
                newMessages.forEach(msg => addMessage(msg.user, msg.text));
            }
        }, 1000);

        sendBtn.addEventListener('click', sendMessage);
        messageInput.addEventListener('keypress', (e) => {
            if (e.key === 'Enter') sendMessage();
        });
    </script>
</body>
</html>