Tuesday, 16 September 2014

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Html5, interview Questions for web designers, html5 Questions and answers

Today i am here with Top 10 Interview Questions and answers of HTML5  for web designers. Have a look...

Interview Questions For Web Designers


Que.1 What’s new HTML 5 DocType and Charset?

As HTML 5 is now not subset of SGML so its DocType is simplified as follows:
                  <!doctype html>
And HTML 5 uses UTF-8 encoding as follows:
                 <meta charset=”UTF-8″>

Que.2 What is the difference between HTML and HTML5 ?

HTML5 is nothing more then upgraded version of HTML where in HTML5 supports the innovative features such as Video, Audio/mp3, date select function , placeholder , Canvas, 2D/3D Graphics, Local SQL Database added so that no need to do external plugin like Flash player or other library elemenents.

Que.3  What is the use of Canvas Element in HTML5? 

HTML5 Canvas element can be used to draw graphics images on a web page by using javascript.

Que.4 What is the major improvement with HTML5 in reference to Flash? 
 
Flash is not supported by major mobile devices such as iPad, iPhone and universal android applications. Those mobile devices have lack of support for installing flash plugins. HTML5 is supported by all the devices, apps and browser including Apple and Android products. Compared to Flash, HTML5 is very secured and protected. That eliminates major concerns that we have seen with Flash.

Que.5  What are the new media elements in HTML 5 other than audio and video?

HTML 5 has strong support for media. Other than audio and video tags, it comes with the following tags:
  • <embed> acts as a container for external application.
  • <track> defines text track for media.
  • <source> is helpful for multiple media sources for audio and video.
Que.6  What are the different types of storage in HTML 5?

HTML 5 has the capability to store data locally. Previously, it was done with the help of cookies. The exciting thing about this storage is that it's fast as well as secure.

There are two different objects which can be used to store data:
  • localStorage object stores data for a longer period of time even if the browser is closed.
  • sessionStorage object stores data for a specific session.
Que.7 What are the new Form Elements introduced in HTML 5? 

There are a number of new form elements that have been introduced in HTML 5 as follows:
  • datalist
  • datetime
  • output
  • keygen
  • date
  • month
  • week
  • time
  • number
  • range
  • email
  • url

Que.8 What are the deprecated Elements in HTML5 from HTML4?

Elements that are deprecated from HTML 4 to HTML 5 are:
  • frame
  • frameset
  • noframe
  • applet
  • big
  • center
  • basefront
Que. 9 How can we embed Video in HTML 5?

Same like audio, HTML 5 defined standard way of embedding video files.Supported video formats are MP4, WebM and Ogg.

<video width=”450″ height=”340″ controls>
  <source src=”jamshed.mp4″ type=”video/mp4″>
   Your browser does’nt support video embedding feature.
</video>
 
 
 

Que.10 How can we embed Audio in HTML 5?

HTML 5 comes with a standard way of embedding audio files. Supported audio formats are MP3, Wav and Ogg.

<audio controls>
    <source src=”jamshed.mp3″ type=”audio/mpeg”>
    Your browser does’nt support audio embedding feature.
</audio>
 

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Regards : Web Designing Company in Indore



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