Finished iteration ironhack-labs#3.

Author: SunSunny1210

src/functions-and-arrays.js

@@ -19,23 +19,38 @@ function findLongestWord(words) {
     return words[0]
   } else if (words.length > 1) {
     words.sort(function (a, b) {
-      if (a.length < b.length) return 1; //  1 here (instead of -1 for ASC)
-      if (a.length > b.length) return -1; // -1 here (instead of  1 for ASC)
+      if (a.length < b.length) return 1; 
+      if (a.length > b.length) return -1;
       if (a.length === b.length) return 0;
     });
   }
   return words[0]
 }
 
 // Iteration #3: Calculate the sum
-const numbers = [6, 12, 1, 18, 13, 16, 2, 1, 8, 10];
-
-function sumNumbers() { }
+// const numbers = [6, 12, 1, 18, 13, 16, 2, 1, 8, 10];
+
+function sumNumbers(numbers) { 
+  if (numbers.length === 0) {
+    return 0
+  } else if (numbers.length >= 1) {
+    let sum = 0
+    for (let i = 0; i < numbers.length; ++i)
+      sum += numbers[i];
+    return sum
+  } 
+}
 
 
 
 // Iteration #3.1 Bonus:
-function sum() { }
+// const mixedArr = [6, 12, 'miami', 1, true, 'barca', '200', 'lisboa', 8, 10];
+
+function sum(mixedArr) { 
+  
+      
+  }
+