Hauptsatz der Differential- und Integralrechnung: Unterschied zwischen den Versionen

@@ Zeile 154: / Zeile 154: @@
              color: 'blue'
          });
+        const labelElement = document.createElement('div');
+labelElement.id = 'integral-label';
+document.body.appendChild(labelElement);
+const updateLabel = () => {
+    const a = i1.baseLeft.X().toFixed(2);
+    const b = i1.baseRight.X().toFixed(2);
+    const value = i1.Value().toFixed(4);
+    labelElement.innerHTML = `\\[\\int_{${a}}^{${b}} f(x) \\, dx = ${value}\\]`;
+    MathJax.typesetPromise();
+};
+i1.baseLeft.on('drag', updateLabel);
+i1.baseRight.on('drag', updateLabel);
+// Initiales Rendern
+updateLabel();
      </script>
 </body>