Update

cgi-bin/vorbereitung/apiajax.html

@@ -7,7 +7,7 @@
         <form>
                 <label for="laufzeit">Dauer einer Schnensch Aktion</label>
                 <input id="laufzeit" type="number"></input>
-                <button id="calc" onclick="calc()" type="button" value="Calculate!">Calc</button>
+                <button id="calc" onclick="calculate()" type="button" value="Calculate!">Calc</button>
         </form>
         <h1 id="lensch"></h1>
 
@@ -20,7 +20,7 @@
                 console.log("lel");
 
                 
-                function calc() {
+                function calculate() {
                         let req = new XMLHttpRequest();
 
                         req.onreadystatechange = function () {