Coding/BinaryDad.Coding/wwwroot/js/hub.js

$(function () {

    var connection = new signalR.HubConnectionBuilder().withUrl("/codeHub").build();

    //let $code = $('#code');
    //let $mirror = $('#mirror');

    //$('#code').keyup(function () {

    //    let user = 'ryan';
    //    let message = $code.val();

    //    connection.invoke("SendMessage", user, message).catch(function (err) {
    //        return console.error(err.toString());
    //    });
    //});

    //connection.on("ReceiveMessage", function (user, message) {

    //    $mirror.val(message);

    //});

    connection.start().then(function () {
        //$('#send').prop('disabled', false);
    }).catch(function (err) {
        return console.error(err.toString());
    });
});