What is DOM in javascript and HTML

DHTML (Dynamic HTML) is not a new language. It is a combination of existing technologies like HTML, CSS, Javascript and DOM. Document Object Model (DOM) is a platform independent and language independent mechanism or API which allows the developer to implement dynamism into the web pages. DOM represents the web page as a hierarchy of objects. The root object in the hierarchy is window. Using DOM, developers can add new elements, delete existing elements or modify the existing elements dynamically. The DOM hierarchy is as shown below: Accessing Elements in a Document Different elements in a web document are treated

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What is DOM in javascript and HTML
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