DOM INTERVIEW QUESTIONS

• What are the levels involved in DOM?

           

• DOM is used to define the object with its properties that is having all the document elements and the methods allowing access to them.
• DOM is known as document object model is divided into three different parts or levels:
• Core DOM is used for the standard model for all the structures and the structured documents.
• XML DOM is used as a standard model for the XML documents that can be different according to the different requirements.
• HTML DOM is used to have a standard model used for the HTML documents having the properties and functions.

• Explain multi-tagging?

            Multi-tagging is a technique used by the DOM browser extension to identify a web page UI object. Whenever possible, DOM extension inserts more than one tag into the object identifier in following format:

Browser.BrowserChild(page_title).html_class(caption_tag|window_tag)

1. Caption_tag is the caption of the HTML element.
2. #index_tag is the index of this HTML element, counting from the beginning of this page of the same class of HTML elements.
3. window_tag is the window identifier.

    

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