ShannonPaige · March 30, 2016 17:31 · Mar 30, 2016 · Mar 30, 2016
diff --git a/1510-function-cfus.md b/1510-function-cfus.md
@@ -1,15 +1,22 @@
 # JavaScript Functions
 
 I can explain the difference between function declarations and function expressions.
+Yes. Declarations can get used higher than they are written, expressions can't.
 
 I can explain what the value of `this` is in a normal function.
+Global window
 
 I can explain what the value of `this` is when called from the context of an object.
+The object
 
 I can explain how to explicitly set the value of `this` in a function.
+.call(this, arguments) or .apply(this, [arguments])
 
 I can explain the difference between `call` and `apply`.
+They allow you to explicitly define this, the only difference is that aaply takes other arguments as an array whereas call doesn't need the arguments to be in an array.
 
 I can describe an case where I might need to use `bind` to avoid polluting the global scope.
+Yes, when something is asyn, or calling a function from a constructor, you may need to bind the 'this'
 
-I can explain how `bind` works.
+I can explain how `bind` works.
+Passing a function and the context of this.
diff --git a/1510-function-cfus.md b/1510-function-cfus.md
@@ -0,0 +1,15 @@
+# JavaScript Functions
+
+I can explain the difference between function declarations and function expressions.
+
+I can explain what the value of `this` is in a normal function.
+
+I can explain what the value of `this` is when called from the context of an object.
+
+I can explain how to explicitly set the value of `this` in a function.
+
+I can explain the difference between `call` and `apply`.
+
+I can describe an case where I might need to use `bind` to avoid polluting the global scope.
+
+I can explain how `bind` works.