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index.ejs
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<!DOCTYPE html>
<html>
<head>
<title>ChatApp</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
<form id="form">
<input type="text" placeholder="Username" id="myname">
<input type="text" placeholder="Message" id="message">
<button>Send</button>
</form>
<div id="messageArea">
<% dataPesan.forEach((pesan)=> { %>
<p class="kotakp">
<%= pesan.username %> mengatakan <%= pesan.pesan %>
</p>
<% }); %>
</div>
</body>
<script src="/socket.io/socket.io.js"></script>
<script>
let socket = io();
let form = document.getElementById('form');
let myname = document.getElementById('myname');
let message = document.getElementById('message');
let messageArea = document.getElementById("messageArea");
form.addEventListener("submit", (e) => {
e.preventDefault();
if (message.value) {
socket.emit('send data', {username: myname.value, pesan: message.value});
message.value = "";
}
});
socket.on("send data", (pesan) => {
let name = document.createElement("p");
name.textContent = pesan.username + " mengatakan " + pesan.pesan;
messageArea.appendChild(name);
});
</script>
</html>