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index.html
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index.html
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<html>
<head>
<title>Socket.IO chat</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font: 14px Helvetica, Arial;
}
form {
background: #000;
padding: 3px;
position: fixed;
bottom: 0;
width: 100%;
}
form input {
border: 0;
padding: 10px;
width: 90%;
margin-right: 0.5%;
}
form button {
width: 9%;
background: #5196f4;
border: none;
padding: 12px;
}
#messages {
list-style-type: none;
margin: 0;
padding: 0;
}
#messages li {
padding: 5px 10px;
}
#messages li:nth-child(odd) {
background: #eee;
}
</style>
</head>
<body>
<ul id="messages"></ul>
<form action="">
<input id="m" autocomplete="off" /><button>Send</button>
</form>
</body>
<script src="/socket.io/socket.io.js"></script>
<script src="https://code.jquery.com/jquery-3.4.1.min.js"></script>
<script>
$(function () {
var socket = io();
$("form").submit(function (e) {
e.preventDefault(); // prevents page reloading
socket.emit("chat message", $("#m").val());
$("#m").val("");
return false;
});
socket.on("chat message", function (msg) {
$("#messages").append($("<li>").text(msg));
});
});
</script>
</html>