


How are objects organized in web documents? How is it arranged hierarchically?
Objects are organized hierarchically. This hierarchical structure is suitable for the organization of objects in Web documents.
- Window object − The top of the hierarchy. It is the highest element of the object hierarchy.
- Document Object − Each HTML document loaded into the window becomes a document object. Documents contain the content of pages.
- Form Object − All content contained in the tag is set to a form object.
- Form Control Elements − A form object contains all the elements defined for the object, such as text fields, buttons, radio buttons, and check boxes.
The following is a simple hierarchy of some important objects −
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