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- <!DOCTYPE html>
- <html>
- <head>
- <title>Socket.IO chat</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 id="form" action="">
- <input id="input" autocomplete="off" /><button>Send</button>
- </form>
- <script src="/socket.io/socket.io.js"></script>
- <script>
- var socket = io();
- var form = document.getElementById('form');
- var input = document.getElementById('input');
-
- form.addEventListener('submit', function(e) {
- e.preventDefault();
- if (input.value) {
- socket.emit('chat message', input.value);
- input.value = '';
- }
- });
-
- socket.on('chat message', function(msg) {
- var item = document.createElement('li');
- item.textContent = msg;
- messages.appendChild(item);
- window.scrollTo(0, document.body.scrollHeight);
- });
- </script>
- </body>
- </html>
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