new class js -advanced

02_advanced/MATERIAL/advanced-js/lesson_02/examples/sumArray.js

@@ -0,0 +1,13 @@
+function sumArray(arr) {
+  // Base case: when the array is empty, return 0
+  if (arr.length === 0) {
+    return 0;
+  }
+  // Recursive case: add the first element to the sum of the rest of the array
+  return arr[0] + sumArray(arr.slice(1));
+}
+
+// Test cases
+console.log(sumArray([1, 2, 3, 4, 5])); // => 15
+console.log(sumArray([10, -2, 33, 47])); // => 88
+console.log(sumArray([])); // => 0