Update hello function 10/8

exercises/201-hello-world.js

@@ -9,3 +9,7 @@
 // Write a function "helloDefault" such that if no name is given it will return
 // 'Hello, world!'
 // Otherwise it behaves the same as the "hello" function.
+
+function hello (name) {
+  alert ("Hello, " + name);
+}

exercises/205-tip-calculator.js

@@ -10,6 +10,20 @@
 // tipAmount(100, 'good') --> 20
 // tipAmount(40, 'fair') --> 6
 
+var tipAmount = function(bill,service) {
+  var tip;
+  if (service = "good") {
+    tip *=bill*0.2;
+  }
+  else if (service = "fair") {
+    tip *=bill*0.15;
+  }
+  else {
+    tip *=bill*0.1;
+  }
+}
+
+
 
 
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -21,6 +35,20 @@
 // totalAmount(100, 'good') --> 120
 // totalAmount(40, 'fair') --> 46
 
+var totalAmount = function(bill,service) {
+  var total;
+  if (service = "good") {
+    total = bill + tipAmount(bill,service);
+  }
+  else if (service = "fair") {
+    total = bill + tipAmount(bill,service);
+  }
+  else {
+    total = bill + tipAmount(bill,service);
+  }
+}
+
+
 
 
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -31,3 +59,18 @@
 // Examples:
 // splitAmount(100, 'good', 5) --> 24
 // splitAmount(40, 'fair', 2) --> 23
+
+
+var splitAmount = function(bill,service,people) {
+  var split;
+  if (service="good") {
+    split = (bill + tipAmount(bill,service))/people;
+  }
+  else if(service="fair") {
+    split = (bill + tipAmount(bill,service))/people;
+  }
+  else {
+    split = (bill + tipAmount(bill,service))/people;
+  }
+}
+

exercises/208-predicate-functions.js

@@ -21,6 +21,14 @@
 // isVowel(99) --> false
 // isVowel({e: 'Elephant'}) --> false
 
+var isVowel = function(char) {
+  if (char === 'a' || char === 'e' ) || char === 'i' || char === 'o' ) || char === 'u' ) {
+    return true;
+  }
+  else {
+    return false;
+  }
+
 
 
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -36,7 +44,24 @@
 // isOdd(5) --> true
 // isOdd('7') --> false
 // isOdd(3.14) --> false
+
+  var isEven = function(num) {
+    if (num%2 == 0) {
+      return true;
+    }
+    else {
+      return false;
+    }
+  }
 
+  var isOdd = function(num) {
+    if (num%2 == 1) {
+      return true;
+    }
+    else {
+      return false;
+    }
+  }
 
 
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -53,3 +78,15 @@
 // isCapitalCity('Texas', 'Houston') --> false
 // isCapitalCity('Alaska', 'Juneau') --> true
 // isCapitalCity('Strawberry', 'Mango') --> false
+
+
+
+
+
+
+
+
+
+
+
+

exercises/210-fizzbuzz.js

@@ -9,3 +9,19 @@
 // Examples:
 // fizzbuzz(3) --> '..fizz'
 // fizzbuzz(15) --> '..fizz.buzzfizz..fizzbuzz.fizz..fizzbuzz'
+
+var fizzbuzz = function(n) {
+  var str = [];
+  if (n%3 == 0 && n&5 == 0) {
+    return str = str + "fizzbuzz";
+  }
+  else if (n%3 == 0 && n%5 != 0) {
+    return str = str + "fizz";
+  }
+  else if (n%3 != 0 && n%5 == 0) {
+    return str = str + "buzz";
+  }
+  else {
+    return str = str + ".";
+  }
+

exercises/211-rock-paper-scissors.js

@@ -6,3 +6,32 @@
 // rockPaperScissors('rock', 'scissors') --> 'player 1'
 // rockPaperScissors('rock', 'paper') --> 'player 2'
 // rockPaperScissors('paper', 'paper') --> 'draw'
+
+var rockPaperScissors = function(throw1,throw2) {
+
+  if (throw1 == throw2) {
+    return = 'draw';
+  }
+  else if (throw1 == 'rock' && throw2 == 'scissors') {
+    return = 'player1';
+  }
+  else if (throw1 == 'rock' && throw2 == 'paper') {
+    return = 'player2';
+  }
+    else if (throw1 == 'scissors' && throw2 == 'paper') {
+    return = 'player1';
+  }
+  else if (throw1 == 'scissors' && throw2 == 'rock') {
+    return = 'player2';
+  }
+    else if (throw1 == 'paper' && throw2 == 'scissors') {
+    return = 'player2';
+  }
+  else if (throw1 == 'paper' && throw2 == 'rock') {
+    return = 'player1';
+  }
+
+
+
+
+