ChatClientProject/index.html at master · YousefEmadi/ChatClientProject · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Chat Client by Yousef Emadi</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
        integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"
        integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p"
        crossorigin="anonymous"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
    <script src="/socket.io/socket.io.js"></script>

</head>

<body>

    <div class="container">

        <div class="jumbotron">
            <h1 class="display-4"> Send your message</h1>
            <input id="username" class="form-control" placeholder="Username"><br>
            <textarea id="message" class="form-control" placeholder="Message"></textarea><br>
            <button id="btnSend" class="btn btn-success">Send</button><br><br>
        </div>

        <div id="messages">

        </div>

    </div>


    <script>


        var url = 'http://localhost:3000/messages';


        // socket.io connections
        var socket = io();

        // Event: Button click
        $(() => {   // when document finished loading
            $("#btnSend").click(() => {
                var message = {username: $('#username').val(), message:$('#message').val()};
                postMessages(message);
            });
            getMessages();
        });


        // event listener for message event
        socket.on('message', addMessage);


        // ////// Functions ////////

        function addMessage(message) {
            $("#messages").append(`<h4> ${message.username}: </h4> <p> ${message.message} </p>`);

        }

        function getMessages() {
            $.get(url, (data) => {
                data.forEach(addMessage);
            });
        }

        function postMessages(message) {
            $.post(url, message);
        }


    </script>

</body>

</html>