Basics

Question 1

Describe any two new features of HTML5.

Answer 1

HTML 5 comes up with many new features including video/audio elements for media playback and better support for local offline storage.

Question 2

What does a ‹hgroup› tag do?

Answer 2

It is used for heading sections. Header tags used are from ‹h1› to ‹h6›. The largest is the main heading of the section, and the others are sub-headings.

Question 3

Which video formats are used for the video element?

Answer 3

Ogg, MPEG4, WebM

Question 4

How can we embed video in HTML5?

Answer 4

‹video src=”movie.ogg” controls=”controls”›‹/video›

Question 5

Which video format is supported by IE?

Answer 5

IE supports MPEG4 and WebM.

Question 6

Name the audio formats supported in HTML5.

Answer 6

Ogg Vorbis, MP3, WAV

Question 7

What will the following code do?‹audio src=”song.ogg” controls=”controls”›‹/audio›

Answer 7

It will play the audio file named song.ogg.

Question 8

How will you define canvas with reference to HTML5?

Answer 8

It is a rectangular area, where we can control every pixel.

Question 9

Give an example of adding canvas in HTML5?

Answer 9

‹canvas id=”myCanvas” width=”200” height=”100”›‹/canvas›

Question 10

Which methods/approaches are available in HTML5 to store data?

Answer 10

Local Storage persists

Session Storage is lost on window close etc

Question 11

Write a code snippet in HTML or Javascript that can count how many times a user visited the page.

Answer 11

We can code the counter in Javascript and can call it from our web page written in HTML.‹script type=”text/javascript”›
if (sessionStorage.pagecount)
{
sessionStorage.pagecount=Number(sessionStorage.pagecount) +1; }
Else
{
sessionStorage.pagecount=1;
}
document.write(“Visits “+sessionStorage.pagecount+” time(s) this session.”); ‹/script›

Question 12

How can you test your browser’s HTML5 compatibility?

Answer 12

Visiting http://html5test.com checks the browser’s HTML5 compatibility and shows scores.