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