basic-socketio-chat-app/index.html at main · TalentPath/basic-socketio-chat-app · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Chat App</title>
    <style>
        body { margin: 0; padding-bottom: 3rem; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }

#form { background: rgba(0, 0, 0, 0.15); padding: 0.25rem; position: fixed; bottom: 0; left: 0; right: 0; display: flex; height: 3rem; box-sizing: border-box; backdrop-filter: blur(10px); }
#input { border: none; padding: 0 1rem; flex-grow: 1; border-radius: 2rem; margin: 0.25rem; }
#input:focus { outline: none; }
#form > button { background: #333; border: none; padding: 0 1rem; margin: 0.25rem; border-radius: 3px; outline: none; color: #fff; }

#messages { list-style-type: none; margin: 0; padding: 0; }
#messages > li { padding: 0.5rem 1rem; }
#messages > li:nth-child(odd) { background: #efefef; }
    </style>
</head>
<body>
    <ul id="messages"></ul>
    <form action="" id="form">
        <input type="text" id="input">
        <button type="submit">Send</button>
    </form>
    <script src="/socket.io/socket.io.js"></script>
    <script>
        const socket = io();

        let messages = document.querySelector('#messages');
        let form = document.querySelector('#form');
        let input = document.querySelector('#input');

        form.addEventListener('submit', (event)=>{
            event.preventDefault();
            if(input.value){
                socket.emit('chat message', input.value);
                input.value='';
            }
        })

        socket.on('chat message', function(msg){
            let chatMessage = document.createElement('li');
            chatMessage.innerText = msg;
            messages.appendChild(chatMessage);
        })


    </script>

</body>
</html>