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Quiz

Test your knowledge of JavaScript's object-oriented features by answering the following questions.

Questions

1:What JavaScript keyword is used to create an instance of an object?
  1. object

  2. new

  3. instance

A1: b. The new keyword creates an object instance.
2:What is the meaning of the this keyword in JavaScript?
  1. The current object.

  2. The current script.

  3. It has no meaning.

A2: a. The this keyword refers to the current object.
3:What does the prototype keyword allow you to do in a script?
  1. Change the syntax of JavaScript commands.

  2. Modify the definitions of built-in objects.

  3. Modify the user's browser so only your scripts will work.

A3: b. The prototype keyword allows you to modify the definitions of built-in objects.


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