"use strict"; var connection = new signalR.HubConnectionBuilder().withUrl("/NotificationHub").build(); connection.on("NotifyAll", function (data) { var message = `${data.keyPressEvent.dateTime} - [${data.lastScanServiceResultValue}]`; document.getElementById("data").innerText = message; }); connection.start().then(function () { }).catch(function (err) { return console.error(err.toString()); });