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index.html
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index.html
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<!doctype html>
<link rel="stylesheet"
href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/css/bootstrap.min.css"
integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M"
crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.min.js"
crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js"
integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4"
crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/js/bootstrap.min.js"
integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1"
crossorigin="anonymous"></script>
<script src="/socket.io/socket.io.js"></script>
<div class="container">
<br>
<div class="jumbotron">
<h1 class="display-4">Send Message</h1>
<br>
<input id="name"
class="form-control"
placeholder="Name">
<br>
<textarea id="message"
class="form-control"
placeholder="Message"></textarea>
<br>
<button id="send"
class="btn btn-success">Send</button>
</div>
<div id="messages">
</div>
</div>
<script>
var socket = io()
$(() => {
$("#send").click(() => {
var message = { name: $("#name").val(), message: $("#message").val() }
postMessage(message)
})
getMessages()
})
socket.on('message', addMessage)
function addMessage(message) {
$("#messages").append(`<h4> ${message.name} </h4> <p> ${message.message} </p>`)
}
function getMessages() {
$.get('http://localhost:3000/messages', (data) => {
data.forEach(addMessage);
})
}
function postMessage(message) {
$.post('http://localhost:3000/messages', message)
}
</script>