XHTML - Interview Questions and Answers

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Interview :: XHTML

What is XHTML?

XHTML stands for Extensible Hypertext Markup Language. It is a combination of XML and HTML. It is a more formal and stricter version of HTML.

2) What is the difference between XHTML and HTML?

There are some changes in XHTML as compared to HTML:

All documents must have a DOCTYPE.
The xmlns attribute in is mandatory and must specify the xml namespace for the document.
, , , and <body> are mandatory with their respective closing tags.</li> <li>All XHTML tags must be in lower case.</li> <li>All XHTML tags must be closed.</li> <li>All XHTML tags must be properly nested.</li> <li>The XHTML documents must have one root element. </li> <li>All XHTML attributes must be added properly.</li> <li>All XHTML attributes must be in lower case.</li> <li>The name attribute has changed.</li> <li>XHTML attributes cannot be shortened.</li> <li>XHTML attribute values must be quoted.</li> </ul>  </div>  </div>  <div class="card">  <div class="intvw_question" >  3) How is XHTML better than HTML?  </div> <div class="intvw_question_answer" >  <p>Following are the reasons specifying why XHTML is better than HTML:</p> <ul class="points"> <li>XHTML uses style sheets instead of font, color and alignment tags of HTML.</li> <li>XHTML allows to style sheets and scripts embedding in CDATA section.</li> <li>XML of XHTML makes easy the integration of new elements as subsets of SGML.</li> </ul>  </div>  </div>  <div class="card">  <div class="intvw_question" >  4) What is XHTML validation?  </div> <div class="intvw_question_answer" >  <p>XHTML validation is a process used to validate XHTML documents with W3C's validator.</p>  </div>  </div>  <div class="card">  <div class="intvw_question" >  5) Is it difficult to write codes in XHTML rather than HTML?  </div> <div class="intvw_question_answer" >  <p>XHTML is not very different from HTML 4.01, so you can easily adopt it. You should start to write your HTML code in lowercase letters.</p>  </div>  </div>  <div class="card">  <div class="intvw_question" >  6) Can elements be overlapped in XHTML or not?  </div> <div class="intvw_question_answer" >  <p> In XHTML elements cannot be overlapped.</p>  </div>  </div>  <div class="card">  <div class="intvw_question" >  7) Write an example that shows every attribute must have a value in XHTML?  </div> <div class="intvw_question_answer" >  <p>Let's take an example to show you in XHTML every attribute must have a value.</p> <p><strong>Example in HTML:</strong></p> <div class="codeblock"><textarea name="code" class="html"> <ol compact> <input type="radio" name="title" value="decline" checked>decline</input> </textarea></div> <p><strong>Same example in XHTML:</strong></p> <div class="codeblock"><textarea name="code" class="html"> <ol compact="compact" > <input type="radio" name="title" value="decline" checked="checked">decline</input> </p> </textarea></div>  </div>  </div>  <div class="card">  <div class="intvw_question" >  8) What is XHTML Modularization?  </div> <div class="intvw_question_answer" >  <p>The decomposition of XHTML into a group of modules that are abstract to provide modularity is known as XHTML Modularization.</p>  </div>  </div>  <div class="card">  <div class="intvw_question" >  9) What is the use of XHTML Modules?  </div> <div class="intvw_question_answer" >  <p>The XHTML modules are utilized in the XML document type definition language.</p>  </div>  </div>  <div class="card">  <div class="intvw_question" >  10) Why to use XHTML Modularization?  </div> <div class="intvw_question_answer" >  <p>XHTML modularization specifies a well defined set of XHTML elements which can be compiled and extended. 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