refactor(curriculum): js classes quiz (freeCodeCamp#58526)

Author: ihechikara

curriculum/challenges/english/25-front-end-development/quiz-javascript-classes/67358ac128957c865dcf3ddf.md

@@ -87,7 +87,7 @@ What does `this` represent inside a class constructor?
 
 #### --distractors--
 
-The global object.
+The global class object.
 
 ---
 
@@ -99,7 +99,7 @@ An undefined reference.
 
 #### --answer--
 
-The instance of the class being created.
+An instance of the class.
 
 ### --question--
 
@@ -109,19 +109,19 @@ Which of the following describes how `this` behaves in an arrow function inside
 
 #### --distractors--
 
-It refers to the method calling the arrow function.
+It inherits the value of `this` from the nearest function in a different scope.
 
 ---
 
 It refers to a newly created instance of the class.
 
 ---
 
-It refers to `undefined` by default.
+It inherits the value of `this` from the global object in strict mode.
 
 #### --answer--
 
-It inherits the value of `this` from the enclosing scope where they are defined.
+It inherits the value of `this` from the enclosing scope where it is defined.
 
 ### --question--
 
@@ -131,19 +131,19 @@ What is the primary purpose of the `extends` keyword?
 
 #### --distractors--
 
-To define static methods in a class.
+To define static methods in a parent class constructor.
 
 ---
 
 To create a method in a class.
 
 ---
 
-To initialize properties in the parent class.
+To initialize default properties in the parent class.
 
 #### --answer--
 
-To create a subclass that inherits methods from a parent class.
+To create a subclass that inherits from a parent class.
 
 ### --question--
 
@@ -222,15 +222,15 @@ What is the function of the `super` keyword in a subclass?
 
 #### --distractors--
 
-To define a new instance of a class.
+To define a new instance of the parent class.
 
 ---
 
-To delete properties from a class.
+To delete methods and properties from the parent class.
 
 ---
 
-To access only the static methods of a class.
+To access only the static methods of the parent class.
 
 #### --answer--
 
@@ -490,7 +490,7 @@ An undefined variable.
 
 #### --answer--
 
-The specific instance of `Animal` being created.
+The instance of `Animal`.
 
 ### --question--
 
@@ -500,7 +500,7 @@ What is the primary use of static properties?
 
 #### --distractors--
 
-To set default values for each instance.
+To define default propeties for each class instance.
 
 ---
 
@@ -512,4 +512,4 @@ To define instance-specific data.
 
 #### --answer--
 
-To store class-wide data that remains constant across instances.
+To store class-wide data shared across instances.