learning-nodejs/index.html at master · umakajan/learning-nodejs · GitHub

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<!DOCTYPE html>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">

<script src="https://code.jquery.com/jquery-3.4.1.min.js" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" 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 type="text" class="form-control" placeholder="name" id="name"/>
        <br>
        <input type="text" class="form-control" placeholder="message" id="message"/>
        <br>
        <button id="send" class="btn btn-success">Send</button>
    </div>
    <div id="messages">

    </div>
</div>

<script>
    const 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>

</html>