Javascript basic functions and roulette

index.html

@@ -3,6 +3,7 @@
     <script src="https://code.jquery.com/jquery-1.11.1.min.js"></script>
     <script src="scripts.js"></script>
     <script src="scripts_spec.js"></script>
+    <script src="roulette.js"></script>
     <style>
       h1,h2,h3,p{
         text-align: center;

roulette.js

@@ -0,0 +1,120 @@
+// Roulette game
+
+alert("In this game you will be able to place bets on a roulette wheel. We have taken the courtesy of giving you a starting bank roll of £100.")
+
+// function roulette(num) {
+var player = {
+  balance: 100,
+  buyIn: 0,
+  bet: 0
+}
+
+while(true) {
+
+  //Ask the player if they want to add to their bank roll and record these for later.
+  if (confirm("Would you like to add to you bank roll?") === true) {
+    while (true){
+
+      var bought = parseInt(prompt("How much would you like to borrow to add to your bankroll?"));
+
+      if(bought > 0) {
+        player.balance += bought;
+        player.buyIn += bought;
+        break;
+      }
+      else{
+        alert("Please enter an amount more than 0");
+      }
+    }
+  }
+
+  while(true){
+    alert("You now have £" + player.balance);
+    player.bet = parseInt(prompt("How much would you like to bet?"));
+
+    if(player.bet > player.balance){
+      alert("You haven't got enough funds to place that bet");
+    }
+    else if(player.bet > 0){
+      player.balance -= player.bet
+      break;
+    }
+    else{
+      alert("Please input a valid amount to bet");
+    }
+
+  }
+
+  // Spin
+  var spin = Math.floor((Math.random() * 36)) + 1;
+  var betMultiple = 0;
+
+  while(true){
+    var type = prompt("What type of bet do you want to place?");
+      // 1: 0 - (35:1)
+      // 2: 00 - (35:1)
+      // 3: Even - (1:1)
+      // 4: Odd - (1:1)
+      // 5: 1 to 18 - (1:1)
+      // 6: 19 to 36 - (1:1)
+      // 7: 1 to 12 - (2:1)
+      // 8: 13 to 24 - (2:1)
+      // 9: 25 to 36 - (2:1)
+
+   // 1: 0 -> (35:1)
+    if(type === 1 && spin === 35){
+      betMultiple = 35;
+    }
+    // 2: 00 -> (35:1)
+    else if(type === 2 && spin === 37){
+      betMultiple = 35;
+    }
+    // 3: Even -> (1:1)
+    else if(type === 3 && spin % 2 === 0){
+      betMultiple = 1;
+    }
+    // 4: Odd -> (1:1)
+    else if(type === 4 && spin % 2 !== 0){
+      betMultiple = 1;
+    }
+    // 5: 1 to 18 -> (1:1)
+    else if(type === 5 && (spin >= 1 && spin <= 18)){
+      betMultiple = 1;
+    }
+    // 6: 19 to 36 -> (1:1)
+    else if(type === 6 && (spin >= 19 && spin <= 36)){
+      betMultiple = 1;
+    }
+    // 7: 1 to 12 -> (2:1)
+    else if(type === 7 && (spin >= 1 && spin <= 12)){
+      betMultiple = 2;
+    }
+    // 8: 13 to 24 -> (2:1)
+    else if(type === 8 && (spin >= 13 && spin <= 24)){
+      betMultiple = 2;
+    }
+    // 9: 25 to 36 -> (2:1)
+    else if(type === 9 && (spin >= 25 && spin <= 36)){
+      betMultiple = 2;
+    }
+
+    var amount = (player.bet * betMultiple)
+
+    if(betMultiple > 0) {
+      player.balance += amount
+      alert("You Win "+amount+" the spin was "+spin+"!");
+      break;
+    }
+    else{
+      // player.balance -= amount;
+      alert("You Lose the spin was "+spin+"!");
+      break;
+    }
+  }
+
+  alert("You have "+player.balance+"!");
+
+  if (confirm("Would you like to continue playing?") === false){
+    break;
+  }
+}

scripts.js

@@ -1,32 +1,84 @@
 // FILL IN THE FUNCTIONS BELOW
 
 var sprintFunctions = {
-  largestEl: function(){  
-    // your code here
+  largestEl: function(arr){  
+    var current = arr[0]
+    for(i = 1; i< arr.length; i++){
+      if(arr[i] > current){
+        current = arr[i];
+      }
+    }
+    return current;
   },
 
-  reversed: function(){  
-    // your code here
+  reversed: function(str){  
+    reversedStr = "";
+    for(i = str.length-1 ; i>= 0; i--){
+      reversedStr += str.charAt(i);
+    }
+    return reversedStr;
   },
 
-  loudSnakeCase: function(){  
-    // your code here
+  loudSnakeCase: function(sentence){  
+    sentence = sentence.replace(/\b\w/g, function(l){ return l.toUpperCase(); })
+    sentence = sentence.replace(/\s+/g, "_")
+    return sentence.replace(/[!?.]/g, "")
   },
 
-  compareArrays: function(){ 
-    // your code here (replace the return)
-    return "Finish compareArrays first!" 
+  compareArrays: function(arr1, arr2){ 
+    res = true
+
+    for(i=0; i< arr1.length; i++){
+      if(arr1[i] != arr2[i]){
+        res = false;
+        break;
+      }
+    }
+    return res; 
   },
 
-  fizzBuzz: function(){  
-    // your code here
+  fizzBuzz: function(num){  
+    arr = []
+    for(i=1; i<=num; i++){
+      if(i%3 === 0 && i%5 === 0) {
+        arr.push("FIZZBUZZ");
+      }
+      else if(i%3 === 0 ){
+        arr.push("FIZZ");
+      }
+      else if(i%5 === 0 ){
+        arr.push("BUZZ");
+      }
+      else{
+        arr.push(i);
+      }
+    }
+    return arr
   },
 
-  myMap: function(){  
-    // your code here
+  myMap: function(arr, func){ 
+    newArr = [] 
+    for(i=0; i<arr.length; i++){
+      newArr.push(func(arr[i]))
+    }
+    return newArr;
   },
 
-  primes: function(){  
-    // your code here
+  primes: function(num){  
+    arr =[]
+
+    for(i=2; i<num; i++){
+      is_prime = true
+      for(j=i-1; j>=2; j--){
+        if(i%j === 0){
+          is_prime = false
+        }
+      }
+
+      if(is_prime){
+        arr.push(i);
+      }
+    }
+    return arr
   },
-}
+}