Add files via upload

main.js

@@ -0,0 +1,38 @@
+const convertButton = document.getElementById('convertButton');
+const baseSource = document.getElementById('baseSource');
+const baseDestination = document.getElementById('baseDestination');
+const numberInput = document.getElementById('numberInput');
+const resultOutput = document.getElementById('resultOutput');
+const toggleThemeButton = document.getElementById('toggleTheme');
+
+for (let i = 2; i <= 36; i++) {
+  let option = new Option(i, i);
+  baseSource.add(option.cloneNode(true));
+  baseDestination.add(option);
+}
+
+// Convert and display result with error handling
+convertButton.addEventListener('click', () => {
+    const sourceBase = parseInt(baseSource.value);
+    const destinationBase = parseInt(baseDestination.value);
+    const number = numberInput.value.trim();
+
+    try {
+        if (!number.match(/^[0-9A-F]+$/i)) {
+            throw new Error('Nombre invalide pour la base donnée');
+        }
+        const result = parseInt(number, sourceBase).toString(destinationBase);
+        if (isNaN(result)) {
+            throw new Error('Conversion impossible');
+        }
+        resultOutput.value = result.toUpperCase();
+    } catch (error) {
+        resultOutput.value = 'Erreur';
+    }
+});
+
+// Toggle dark theme
+toggleThemeButton.addEventListener('click', () => {
+    document.body.classList.toggle('dark');
+    toggleThemeButton.textContent = document.body.classList.contains('dark') ? 'Thème Clair' : 'Thème Sombre';
+});