Complete excercise 10

10_fibonacci/fibonacci.js

@@ -1,4 +1,26 @@
-const fibonacci = function() {
+const fibonacci = function(number) {   
+    console.log(number)
+    if (typeof number == "string") {
+        number = parseInt(number)
+    }
+    const array = []
+    for (i=0; i<number; i++) {
+        if (i < 2) {
+            let newNumber = 1
+            array.push(newNumber)
+        }
+        else {
+            let newNumber = array[i-2] + array [i-1]
+            array.push(newNumber)
+        }
+    }
+    console.log("Array: " + array)
+    if (number < 0) {
+        return "OOPS"
+    }
+    else {
+        return number === 0 ? 0 : array[number-1]
+    }
 
 };
 

10_fibonacci/fibonacci.spec.js

@@ -4,34 +4,34 @@ describe('fibonacci', () => {
   test('4th fibonacci number is 3', () => {
     expect(fibonacci(4)).toBe(3);
   });
-  test.skip('6th fibonacci number is 8', () => {
+  test('6th fibonacci number is 8', () => {
     expect(fibonacci(6)).toBe(8);
   });
-  test.skip('10th fibonacci number is 55', () => {
+  test('10th fibonacci number is 55', () => {
     expect(fibonacci(10)).toBe(55);
   });
-  test.skip('15th fibonacci number is 610', () => {
+  test('15th fibonacci number is 610', () => {
     expect(fibonacci(15)).toBe(610);
   });
-  test.skip('25th fibonacci number is 75025', () => {
+  test('25th fibonacci number is 75025', () => {
     expect(fibonacci(25)).toBe(75025);
   });
-  test.skip('0th fibonacci number is 0', () => {
+  test('0th fibonacci number is 0', () => {
     expect(fibonacci(0)).toBe(0);
   });
-  test.skip('doesn\'t accept negatives', () => {
+  test('doesn\'t accept negatives', () => {
     expect(fibonacci(-25)).toBe("OOPS");
   });
-  test.skip('DOES accept strings', () => {
+  test('DOES accept strings', () => {
     expect(fibonacci("0")).toBe(0);
   });
-  test.skip('DOES accept strings', () => {
+  test('DOES accept strings', () => {
     expect(fibonacci("1")).toBe(1);
   });
-  test.skip('DOES accept strings', () => {
+  test('DOES accept strings', () => {
     expect(fibonacci("2")).toBe(1);
   });
-  test.skip('DOES accept strings', () => {
+  test('DOES accept strings', () => {
     expect(fibonacci("8")).toBe(21);
   });
 });