2.8.1.11.1 getElementByID()

HTML

<body>
   <h1>EinTest</h1>
   <p id="ziel">Aenean facilisis nulla vitae urna tincidunt congue sed utdui. Morbi malesuada.</p>
   <div onclick="zeigeInhalt();">
   Before they sold out typewriter Etsy, literally freegan OddFuture fanny pack put a bird on it
   wayfarers.
   </div>
</body>

JavaScript

function zeigeInhalt(){
var Inhalt= document.getElementById("ziel");
alert(Inhalt.innerHTML);
}