Correct Answer: JavaScripts uses a hierarchical structure that applies to the objects in a document There are some objects that show the relationship of one object to another using the language Window object: This is the topmost object in the hierarchy It represent the content area of browser window that consists of HTML documents Each frame is also a window that has some actions inside it Document object: This object gets loaded in a window and consists of objects of different kind in the model It consists of the content that will be written in the script Form object: Form objects are used for more interaction with the users It represents the form elements inside tag