SAP Daten auf Webseite darstellen

//Server.js
"use strict";  

const http = require("http");  
const path = require("path");  
const express = require("express");  

const clientDirectory = path.join(__dirname, "./");  
const app = express();

app.use('/',express.static(clientDirectory))  

//const server = http.createServer(app);

app.listen(8080, () =>{
  console.log('Server is listening on port 8080.')  
})

//sap.js
"use strict";  

var hana = require('@sap/hana-client');  

var connOptions = {
  serverNode: "XXX",  
  encrypt: "true",  
  sslValidateCertificate: "false",  
  uid: "XXX",  
  pwd: "XXX",  
};

var dbConnection = hana.createConnection();

dbConnection.connect(connOptions, function (err) {
  if (err) throw err;
  dbConnection.exec(
    "select MAKTX from SAPABAP1.MAKT where  MATNR = 10036",  
    function (err, result) {
      if (err) throw err;
      
      console.log(result);
      
      dbConnection.disconnect();
              
    }
  );
});

//aufruf,js über httprequest
'use strict';  

function display(some){

    document.getElementById("txt").innerHTML = some;  

}

function getFile(mycallback){

        let http = new XMLHttpRequest();

        http.open('GET','sap.js');  
        http.onload = function(){
            if(http.status == 200){
                mycallback(this.response);
            }
            else {
                mycallback("Error" + http.status);          
            }        
        }
        http.send();
}

getFile(display);