HTML 5 Interview Questions & Answers

HTML5 Interview Questions & Answers – These FAQs covering HTML5 Canvas, SVG, Audio, Video, Semantic Elements etc for freshers as well as experienced.

What is !DOCTYPE in HTML?

A document type declaration, or DOCTYPE, is an instruction to the web browser about the particular version of HTML.

In HTML5 you can simple type following line for document type declaration:<!DOCTYPE html> in an HTML file.

Will HTML 5 works without !DOCTYPE ?

No, the browser will not be able to identify that it’s an HTML document and HTML 5 tags will not function properly.

How is the page structure of HTML 5 different from Previous HTML Versions?

A typical web page structure is made-up of headers, footers, navigation, central area and side bars. Before HTML 5 we defines them using DIV Tags with different classes/ids. HTML5 offers new elements for better document structure.

New Semantic/Structural Elements:<header>: Represents header data of HTML.
<footer>: Footer section of the page.
<nav>: Navigation elements in the page.
<article>: Self-contained content.
<section>: Used inside article to define sections or group content in to sections.
<aside>: Represent side bar contents of a page.

What are the different new form element types in HTML 5?

  • color
  • date
  • DateTime
  • DateTime-local
  • email
  • month
  • number
  • range
  • search
  • tel
  • time
  • URL
  • week

What are the New multimedia elements in HTML 5?

New multimedia elements: <audio> and <video>.
The HTML5 <audio> element is used to embed audio in a web page.

<audio controls>
  <source src="song.mp3" type="audio/mpeg">
Your browser does not support the HTML 5 audio element.

Similarly, we can use <video> tag to embed video.