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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 messages = document.getElementById('messages'); | |
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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