E X tensible S tylesheet L anguage T ransformation commonly known as XSLT is a way to transform the XML document into other formats such as XHTML. XSL Before learning XSLT, we should first understand XSL which stands for E X tensible S tylesheet L anguage. It is similar to XML as CSS is to HTML. Need for XSL In case of HTML document, tags are predefined such as table, div, and span; and the browser knows how to add style to them and display those using CSS styles. But in case of XML documents, tags are not predefined. In order to understand and style an XML document, World Wide Web Consortium (W3C) developed XSL which can act as XML based Stylesheet Language. An XSL document specifies how a browser should render an XML document. Following are the main parts of XSL − · XSLT − used to transform XML document into various other types of document. · XPath − used to navigate XML document. · XSL-FO − used to format XML document. What