added all solutions

scripts.js

@@ -1,32 +1,67 @@
-// FILL IN THE FUNCTIONS BELOW
-
 var sprintFunctions = {
-  largestEl: function(){  
-    // your code here
+  largestEl: function(array){  
+    return array.sort().pop();
   },
 
-  reversed: function(){  
-    // your code here
+  reversed: function(string){  
+    return string.split("").reverse().join("");
   },
 
-  loudSnakeCase: function(){  
-    // your code here
+  loudSnakeCase: function(input){  
+    return input
+    .split(/[^A-Za-z]/)
+    .filter(f => f.length > 0)
+    .map(s => s.replace(s.charAt(0), s.charAt(0).toUpperCase()))
+    .join("_");
   },
 
-  compareArrays: function(){ 
-    // your code here (replace the return)
-    return "Finish compareArrays first!" 
+  compareArrays: function(ar1, ar2){ 
+
+    if (
+      (ar1.length == ar2.length) 
+      && (ar1.every((n,i) => (n == ar2[i])))
+    ){
+      return true;
+    } 
+    else {
+      return false;
+    }
   },
 
-  fizzBuzz: function(){  
-    // your code here
+  fizzBuzz: function(num){  
+    var numArray = [];
+    for(i = 1; i <= num; i++){
+      var fbz;
+      if (i % 3 == 0) {
+        fbz += "FIZZ";
+      }
+      if (i % 5 == 0) {
+        fbz += "BUZZ";
+      }
+      if (!fbz) {
+        fbz = i;
+      } 
+      numArray.push(fbz);
+      fbz = "";
+      console.log(numArray);
+    }
+    return numArray;
   },
 
-  myMap: function(){  
-    // your code here
+  myMap: function(inputArr, inputFunc){  
+    return inputArr.map(inputFunc);
   },
 
-  primes: function(){  
-    // your code here
+  primes: function(max){  
+    var sieve = [], i, j, primes = [];
+    for (i = 2; i <= max; ++i) {
+      if (!sieve[i]) {
+        primes.push(i);
+        for (j = i*2; j <= max; j += i) {
+          sieve[j] = true;
+        }
+      }
+    }
+    return primes;
   },
 }