Vincent js functions and arrays

src/functions-and-arrays.js

@@ -1,34 +1,91 @@
 // Iteration 1 | Find the Maximum
-function maxOfTwoNumbers() {}
-
+function maxOfTwoNumbers(a, b) {
+
+   if (a > b){
+    return a; }
+    else if (b > a) {
+        return b; 
+    } else {
+        return a;
+    }
+
+
+}
+console.log(maxOfTwoNumbers(2, 10));
+    console.log(maxOfTwoNumbers(20, 10));
+    console.log(maxOfTwoNumbers(2, 2));
 
 
 
 // Iteration 2 | Find the Longest Word
 const words = ["mystery", "brother", "aviator", "crocodile", "pearl", "orchard", "crackpot"];
 
-function findLongestWord() {}
+function findLongestWord(words) {
+    if (words. length === 0) return null
+    let longest = words[0];
+    //pretend the longest word in the array is 0 for now and designate it as longest and for comparism
+    // now i should loop through all the word to find the longest
+    //looping through each element which is (word) in the words array.
+    //word. length is the number of characters in the current array of words
+    for(let word of words) {
+        if (word.length > longest.length) {
+            longest = word;
+        }
+    }
+    return longest;    
+}
+
+console.log(findLongestWord(words));
 
 
 
 
 // Iteration 3 | Sum Numbers
 const numbers = [6, 12, 1, 18, 13, 16, 2, 1, 8, 10];
 
-function sumNumbers() {}
+function sumNumbers(numbers) {
+    if (numbers.length === 0) return 0;
+
+    let sum = 0;
+    for(let num of numbers) {
+        sum += num;
+    }
+    return sum;
+}
+
+console.log(sumNumbers([6, 12, 1, 18]));
+console.log(sumNumbers([6]));
+
 
 
 
 
 // Iteration 4 | Numbers Average
 const numbers2 = [2, 6, 9, 10, 7, 4, 1, 9];
 
-function averageNumbers() {}
+function averageNumbers(numbers) {
+    if (numbers.length === 0) return 0;
+
+    let sum = 0;
+    for(let num of numbers) {
+        sum += num;
+    }
+    return sum / numbers.length;
+}
+console.log(averageNumbers([2, 6, 9, 10]));
+console.log(averageNumbers([]));
+
 
 
 
 
 // Iteration 5 | Find Elements
 const words2 = ["machine", "subset", "trouble", "starting", "matter", "eating", "truth", "disobedience"];
 
-function doesWordExist() {}
+function doesWordExist(words, wordToFind) {
+    if (words.length === 0) return null;
+    return words.includes(wordToFind);    
+}
+
+console.log(doesWordExist(words2, "machine"))
+console.log(doesWordExist(words2, "hello"))