JSFiddle - React, Tailwind, and code Playground
HTML
<pre id="info"></pre>
JavaScript
// Einfacher Sensordaten-Dump
var info = document.getElementById('info');
window.addEventListener('deviceorientation', function(evt){
var msg = "Drehung: " + evt.alpha + "\n" +
"Vorwärts-Rückwärts: " + evt.beta + "\n" +
"Links-Rechts: " + evt.gamma + "\n" +
"Absolute Daten? " + evt.absolute
info.innerHTML = msg;
}, false);