MIS 180 Lecture 7: XHMTL

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San Diego State University
Management Information Systems
MIS 180

4/11/17 HTML to HTML5 to xHMTL - HTML: is a standard system for tagging text files to display web pages on the WWW - HTML5: is the latest version of HTML for tagging text files to display web pages on the WWW - xHTML: is HTML written as XML which is stricter so that it can be viewed in all major browsers What is xHTML? - xHTML: eXtensible HyperText Markup Language - xHTML is almost identical to HTML5 o xHMTL is stricter than HTML5 o Defined as an XML application - xHTML is supported by all major browsers Why xHTML? - Today’s market consists of different browser technologies - xHTML is a markup language where documents must be marked up correctly (be well- formed) - By combining the strengths of HTML5 and XML, XHTML5 was also developed XHTML document structure - XHTML.DOCTYPE is mandatory o And the following elements are mandatory ▪ ▪ Title of document ▪ ▪ • Content goes between XHMTL elements - Are all written with a start tag and end with an end tag o content - XHMTL rules o Must be properly nested o Must always be closed o Must be in lowercase o Must be in “quotes” Attributes - All elements can have attributes o Provide additional info about an element o Always specified in the start tag o name=”value” o Must be in lower case o Must be quoted o Minimization is forbidden Elements must always be closed - This is a paragraph - This is another paragraph Elements must be in lower case
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