Which three types of objects should you use?

You are developing a web application that uses web workers to process images extracted from an HTML5
CANVAS object on a web page.
You need to pass messages between the web workers and the web page.
Which three types of objects should you use? (Each correct answer presents a complete solution. Choose
three.)

A.
JSON

B.
Window

C.
Parent

D.
String

E.
JavaScript
F. DOM