XML (Extensible Markup Language) is a tool for storing and organizing data.XML is a text-based markup language derived from Standard Generalized Markup Language (SGML).
Should have a basic understanding of the following Languages : (You can Learn From our Repository)
XML is not a replacement for HTML.
XML and HTML were designed with different goals:
HTML is about displaying information, while XML is about carrying information.
Maybe it is a little hard to understand, but XML does not DO anything. XML was created to structure, store, and transport information.
The Below example is a note to Guru, from saina, stored as XML:
The note above is quite self descriptive. It has sender and receiver information, it also has a heading and a message body.
But still, this XML document does not DO anything. It is just information wrapped in tags. Someone must write a piece of software to send, receive or display it.
The tags in the example above (like <to> and <from>) are not defined in any XML standard. These tags are "invented" by the author of the XML document.
That is because the XML language has no predefined tags.
The tags used in HTML are predefined. HTML documents can only use tags defined in the HTML standard (like <p>, <h1>, etc.).
XML allows the author to define his/her own tags and his/her own document structure.
XML is a complement to HTML.
It is important to understand that XML is not a replacement for HTML. In most web applications, XML is used to transport data, while HTML is used to format and display the data.
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