finished

practice.js

@@ -2,14 +2,24 @@
   // 1) What is the purpose of the 'this keyword'?
 
       //Answer
+      // the 'this keyword' references the value of the object where the 'this keyword' is used. 
 
   // 2) What are the four rules that govern what the 'this keyword' is bound to and describe each?
 
       //Answer
+      // if the 'this keyword' is in the global scope, it is bound to the window object
+
+      // when a method like call or bind is used, 'this keyword' is explicitly defined
+
+      // the object before the function separated by the dot, can be replaced by 'this keyword'
+
+      //Whenever a constructor function is used, 'this keyword' refers to the specific instance of 
+      //the object that is created and returned by the constructor function
 
   // 3) What does .bind do?
 
       //Answer
+      // bind overrides the function and explicitly tells the interpreter to use the value in the arguments
 
 
 //Next Problem
@@ -20,16 +30,35 @@
   //getUsername --> which is a function that returns the current object's username property. *Don't use 'user' instead use the 'this' keyword*
 
     //Code Here
+     var user = {
+      username: 'EJBarba',
+      email: 'elijah.barba@boom.camp',
+      getUsername(){
+        return this.username;
+      },
+    }
 
 //Now, invoke the getUsername method and verify you got the username of the object and not anything else.
-
+  user.getUsername();
 
 //Next Problem
 
 
 // Write a constructor function, including method definitions, which will make the following function invocations function properly.
-
+function Car(make, model, year) {
+  this.make = make;
+  this.model = model;
+  this.year = year;
+  this.move = 0;
+
+}
   //Function Invocations Here
+
+  Car.prototype.moveCar = function(){
+    this.move += 10;
+    return this.move;
+
+  }
 
 var prius = new Car('Toyota', 'Prius', 2011);
 var mustang = new Car('Ford', 'Mustang', 2013);
@@ -54,7 +83,10 @@ var getYear = function(){
 
 //Note(no tests)
   //Code Here
-
+
+  var getPriusYear = getYear.bind(prius);
+  var getMustangYear = getYear.bind(mustang);
+
 
 
 //New Problem
@@ -74,11 +106,13 @@ var userName = getMyUsername(); //Fix this
 //Above you're given an object, and  a function. What will the getMyUsername function return?
 //Note(no tests)
   //Answer Here
-
+  // username of global
 //In the example above, what is the 'this keyword' bound to when getMyUsername runs?
 
   //Answer Here
+  // MyUser.username
 
 
-//Fix the getMyUsername invocation (stored in the userName variable, at the bottom of the above code) so that userName will be equal to 'iliketurtles'.
 
+//Fix the getMyUsername invocation (stored in the userName variable, at the bottom of the above code) so that userName will be equal to 'iliketurtles'.
+var userName = getMyUsername.call(myUser);

user.json

@@ -1,4 +1,4 @@
 {
-  "name": "",
-  "email": ""
+  "name": "Elijah Jeremiah L. Barba",
+  "email": "elijah.barba@boom.camp"
 }