- What is XML and why it is used?
- How is tag different from an element in XML?
- What is XML good for?
- How XML is used?
- What is difference between HTML and XML?
- What are XML attributes and elements?
- Are there any built in tags in XML?
- What is element and node in XML?
- Why XML is required?
- Why is XML better than HTML?
- Is XML a programming language?
- Is JSON better than XML?
- What are the features of XML?
A tag – either opening or closing – is used to mark the start or end of an element.
A node is a part of the hierarchical structure that makes up an XML document.
“Node” is a generic term that applies to any type of XML document object, including elements, attributes, comments, processing instructions, and plain text.
What is XML and why it is used?
Extensible Markup Language (XML) is used to describe data. The XML standard is a flexible way to create information formats and electronically share structured data via the public Internet, as well as via corporate networks.
How is tag different from an element in XML?
An element usually consists of a start tag and an end tag, with plain text content or other XML elements in between. A start tag is of the form <elementName> and an end tag has the form </elementName>. The start tag may include attributes of the form attrName=”attrValue”.
What is XML good for?
You can create as many display pages as you want for that data. XML allows you to generate different styles and formats based on one page of information. Ultimately, XML is a tool. It keeps your design work organized into practical compartments.
How XML is used?
General applications: XML provides a standard method to access information, making it easier for applications and devices of all kinds to use, store, transmit, and display data.
What is difference between HTML and XML?
HTML is an abbreviation for HyperText Markup Language. HTML was designed to display data with focus on how data looks. XML was designed to be a software and hardware independent tool used to transport and store data, with focus on what data is. XML provides a framework for defining markup languages.
What are XML attributes and elements?
XML element can have attributes for identify elements. XML attributes specified by name=”value” pair inside the starting element. XML attribute values must be quoted. XML standard specifies element may have define multiple attributes along with unique attribute name.
Are there any built in tags in XML?
XML Tags. A key aspect of dealing with XML documents is to be able to easily access their content. XPath, a W3C recommendation since 1999, provides an easy notation for specifying and selecting parts of an XML document. The JSTL XML tag set, listed in Table 16-4, is based on XPath (see How XPath Works).
What is element and node in XML?
According to the XML DOM, everything in an XML document is a node: The entire document is a document node. Every XML element is an element node. The text in the XML elements are text nodes. Every attribute is an attribute node.
Why XML is required?
XML has found wide application. Rather than integrating data into an HTML document, it outsources it to separate XML files. Since XML stores data in plain text format, the storage is independent of your platform and your data can be exported, imported, or simply moved much more easily.
Why is XML better than HTML?
However, XML is more flexible than HTML: XML encodes data in tightly-validated tree structures. Data is easy to locate since its context is well defined by tags and rules of structure. HTML attempts to control the appearance and presentation of data, while XML does not.
Is XML a programming language?
XML is a “metalanguage” which is still a kind of language (just like metadata is still data!). As an example EBNF is also clearly a language, but its purpose is to define the syntax of other languages, so it is also a metalanguage. Because it is a language. A markup language, not a programming language.
Is JSON better than XML?
Why JSON is Better Than XML
What are the features of XML?
The power of XML comes from its simplicity and extensibility. Main features of XML: XML files are text files, which can be managed by any text editor. XML is very simple, because it has less than 10 syntax rules.