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XML and JavaScript: A Guide to Markup and Programming Languages
- 1. XML and JavaScript Naomi Rinehart
- 2. XML Made in the mid 1990’s XML is a set of rules for encoding documents in a machine-readable form XML is a software- and hardware-independent tool for carrying information XML stands for Extensible Markup Language It is designed to transport and store data It is important to know, and very easy to learn
- 3. XML vs. HTML XML is a markup language much like HTML XML is not a replacement for HTML XML was designed to transport and store data, with focus on what data is HTML was designed to display data, with focus on how data looks
- 4. XML Tags Tags are not predefined. You must define your own tags Designed to be self-descriptive It is just information wrapped in tags. Someone must write a piece of software to send, receive or display it
- 5. XML Example <?xml version="1.0"?> <note> <to>Tove</to> <from>Jani</from> <heading>Reminder</heading> <body>Don't forget me this weekend!</body> </note>
- 6. JavaScript JavaScript is a programming language that is used to make web pages interactive. It runs on your visitor's computer and does not require constant downloads from your web site.
- 7. What is JavaScript? JavaScript is a scripting language. It is only loosely related to Java, and is not a true object-oriented language JavaScript can be quickly added to a pure HTML page to provide dynamic features, such as automatically calculating the current date or activating an action
- 8. History of JavaScript JavaScript was designed to run on Netscape Navigator. Its success there led to it becoming standard equipment in virtually all web browsers.
- 9. JavaScript vs. HTML HTML and JavaScript are two completely different things HTML is a markup language designed for defining static web page content JavaScript is a programming language designed for performing dynamic tasks
- 10. JavaScript Example <html> <head> </head> <body> <script type="text/javascript" src="xxx.js"> </script> <p> The actual script is in an external script file called "xxx.js". </p> </body> </html>