Update farbenlehre

uebung3/farbenlehre.html

@@ -23,11 +23,11 @@
                 let rot = document.getElementById("rot");
                 let gruen = document.getElementById("gruen");
                 let blau = document.getElementById("blau");
-                let table = document.getElementById("farben")
 
                 btn.addEventListener("click", updateTable);
 
                 function updateTable() {
+                        let table = document.getElementById("farben");
                         table.insertRow(0);
                         let cell1 = row.insertCell(0);
                         let cell2 = row.insertCell(1);