Joey Object Exercise

exercises/001.js

@@ -24,4 +24,7 @@ function transformFirstAndLast(array) {
 
 function transformFirstAndLast(array) {
   //your code here
-}
+  object ={};
+  object[array[0]] = array[array.length - 1];
+  return object;
+}

exercises/002.js

@@ -27,4 +27,10 @@ function getAllKeys(obj) {
 
 function getAllKeys(obj){
   // your code here
+  var keyArray = [];
+  for (var item in obj){
+    keyArray.push(item);
+  }
+
+  return keyArray;
 }

exercises/003.js

@@ -13,13 +13,17 @@ Function's return value (output):
 
 Do not change the input string. Assume that all elements in the array will be of type 'string'.
 
-Note that the input may have a different number of elements than the given sample. 
+Note that the input may have a different number of elements than the given sample.
 For instance, if the input had 6 values instead of 4, your code should flexibly accommodate that.
 
 Starter Code:
 */
 
 function fromListToObject(array) {
   // your code here
-
+  object = {};
+  array.forEach(function(element){
+    object[element[0]] = element[1];
+  });
+  return object;
 }

exercises/004.js

@@ -11,7 +11,7 @@ Example input:
 Function's return value (output):
 ['Krysten', 33, false]
 
-Note that the input may have a different number of keys and values than the given sample. 
+Note that the input may have a different number of keys and values than the given sample.
 
 E.g. it should also handle an input like:
 {
@@ -29,5 +29,9 @@ Starter Code
 
 function listAllValues(obj) {
   // your code here
-
-}
+  var valueArray = [];
+  for (var item in obj){
+    valueArray.push(obj[item]);
+  }
+  return valueArray;
+}

exercises/005.js

@@ -17,7 +17,7 @@ Given that input, the return value should look like this:
     {firstName: 'Mary', lastName: 'Jenkins', age: 36, role: 'manager'}
 ]
 
-Note that the input may have a different number of rows or different keys than the given sample. 
+Note that the input may have a different number of rows or different keys than the given sample.
 
 For example, let's say the HR department adds a "tshirtSize" field to each employee record. Your code should flexibly accommodate that.
 
@@ -26,5 +26,13 @@ Starter Code :
 
 function transformEmployeeData(array) {
   // your code here
-
+  var objectArray = [];
+  array.forEach (function(outerArray) {
+    var obj = {};
+    outerArray.forEach(function(innerArray) {
+      obj[innerArray[0]] = innerArray[1];
+    });
+    objectArray.push(obj);
+  });
+  return objectArray;
 }

exercises/006.js

@@ -23,4 +23,9 @@ Starter Code:
 
 function convertObjectToList(obj) {
   // your code here
-}
+  var arrOfArr = [];
+  for (var x in obj) {
+    arrOfArr.push([x,obj[x]]);
+  }
+  return arrOfArr;
+}

exercises/007.js

@@ -1,11 +1,11 @@
 /*
 Write a function called "greetCustomer".
 
-Given a name, "greetCustomer" returns a greeting based on how many times that customer has visited the restaurant.  Please refer to the customerData object. 
+Given a name, "greetCustomer" returns a greeting based on how many times that customer has visited the restaurant.  Please refer to the customerData object.
 
 The greeting should be different, depending on the name on their reservation.
 
-Case 1 - Unknown customer ( Name is not present in customerData ): 
+Case 1 - Unknown customer ( Name is not present in customerData ):
 
 var output = greetCustomer('Terrance');
 console.log(output); // --> 'Welcome! Is this your first time?'
@@ -49,8 +49,16 @@ var customerData = {
 
 function greetCustomer(firstName) {
   var greeting = '';
-  // your code here
+
+  if (customerData[firstName]) {
+    if (customerData[firstName].visits == 1) {
+      greeting = "Welcome back, " + firstName + "! We're glad you liked us the first time!";
+    } else {
+      greeting = "Welcome back, " + firstName + "! So glad to see you again!";
+    };
+  } else {
+    greeting = "Welcome! Is this your first time?";
+  };
 
   return greeting;
 }
-