Question: Which method of HTMLCanvasElement is used to represent image of
Canvas Element?
Answers: toDataURL()
Question: You want to create a link for your website allowing users to
email the webmaster. How will you implement this if the webmaster's email
address is webmaster@xcompany.com?
Answers: <a
href="mailto:webmaster@xcompany.com">webmaster</a>
Question: What is the limit to the length of HTML attributes?
Answers: There is no limit.
Question: Which of the following is the correct way to store an object in
localStorage? var obj = { 'one': 1, 'two': 2, 'three': 3 };
Answers: localStorage.setItem('obj', JSON.stringify(obj));
Question: Which of the following are valid ways to associate custom data
with an HTML5 element?
Answers: <tr class="foo" data-id-type="4">
Question: Which of the following statements are correct with regard to the
<hr> and <br> elements of HTML5?
Answers: The <hr> element is used to insert the horizontal line
within the document and the <br> element is used to insert a single line
break.
Question: Which of the following video tag attributes are invalid in
HTML5?
Answers: Pause
Question: When does the ondragleave mouse event get fired in HTML5?
Answers: It gets fired when an element leaves a valid drop target.
Question: Which of the following is the correct way to check browser
support for WebSocket?
Answers: console.log(window.WebSocket ? 'supported' : 'not supported');
Question: Which of the following HTML5 features is capable of taking a
screenshot of a web page?
Answers: Canvas
Question: You are writing the code for an HTML form and you want the
browser to retain the form's input values. That is, if a user submits the form
and presses the browser's back button, the fully populated form is displayed
instead of a blank form. Which of the following HTML 5 attributes will you use?
Answers: Autocomplete
Question: How can audio files be played in HTML5? var sound = new
Audio("file.wav");
Answers: sound.play();
Question: Which of the following code is used to prevent Webkit spin
buttons from appearing on web pages?
Answers: input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none;
margin: 0; }
Question: Which media event will be fired when a media resource element
suddenly becomes empty?
Answers: onemptied
Question: Consider the following items of a <select> list:
<option value="89">Item 1</option> <option
value="90">Item 2</option> Which of the following values
would be passed on by clicking the submit button on selecting Item 2 from the
list?
Answers: 90
Question: Which is the standard method for clearing a canvas?
Answers: context.clearRect ( x , y , w , h );
Question: Which of the following methods can be used to estimate page load
times?
Answers: Using the Navigation Timing JavaScript API.
Question: What is the role of the <dfn> element in HTML5?
Answers: It is used to define a definition term.
Question: What is the difference between Server-Sent Events (SSEs) and
WebSockets In HTML5?
Answers: WebSockets can perform bi-directional (client-server and vice
versa) data transfers, while SSEs can only push data to the client/browser.
Question: What does P2P streaming mean when web applications establish a
P2P HTTP connection using HTML?
Answers: It means that streaming of a voice/video frame is direct,
without using any server between them.
Question: Which of the following statements regarding WebSockets is true?
Answers: All of the abvoe
Question: Which HTML5 doctype declarations are correct?
Answers: <!DOCTYPE html>
Question: The following are valid use cases of client file/directory
access in HTML5, except:
Answers: Use of the HTML5 File API
Question: How does a button created by the <button> tag differ from
the one created by an <input> tag?
Answers: A button tag can include images as well.
Question: Which of the following <link> attributes are not supported
in HTML5?
Answers: "rev" or "charset"
Question: Which of the following is the correct way to display a PDF file
in the browser?
Answers: <object type="application/pdf"
data="filename.pdf" width="100%"
height="100%"/>
Question: True or false: JavaScript objects can be stored directly into
localStorage.
Answers: False
Question: Which media event is triggered when there is an error in
fetching media data in HTML5?
Answers: onstalled
Question: Which of the following are sample use cases for HTML5 web
workers?
Answers: All of these.
Question: Which of the following is the correct way to play an audio file
in HTML5?
Answers: <audio controls> <source src="file.ogg"
type="audio/ogg"> <source src="file.mp3"
type="audio/mpeg"> </audio>
Question: Once an application is offline, it remains cached until the
following happens (select all that apply):
Answers: The manifest file is modified. or The user clears their
browser's data storage for the site.
Question: Can we store JavaScript Objects directly into localStorage ?
Answers: NO
Question: Which of the following attributes gets hidden when the user
clicks on the element that it modifies? (Eg. hint text inside the fields of web
forms)
Answers: placeholder
Question: What is the purpose of the <q> element in HTML5?
Answers: It is used to define the start of a short quotation
Question: Which of the following is the correct way to play an audio file
in HTML5?
Answers: 21 u <audio controls> <source src="file.ogg"
type="audio/ogg"> <source src="file.mp3"
type="audio/mpeg"> </audio>
Question: Which of the following are true about the ARIA role attribute in
HTML5?
Answers: The attribute must have a value that is a set of space-separated
tokens representing the various WAI-ARIA roles that the element belongs to.
Question: Which following are valid default values for the <input
type="date"> HTML5 element?
Answers: 2013-05-30
Question: Which of the following is not a valid attribute for the
<video> element in HTML5?
Answers: disabled
Question: Which of the following is not a valid syntax for the
<link> element in HTML5?
Answers: <link rev="stylesheet" href="abc.css"
type="text/css" target="_parent">
Question: How can an HTML5 canvas size be changed so that it fits the
entire window?
Answers: <script type="text/javascript"> function
resize_canvas(){ canvas = document.getElementById("canvas"); if
(canvas.width < window.innerWidth) { canvas.width = window.innerWidth; } if
(canvas.height < window.innerHeight) { canvas.height = window.innerHeight; }
} </script>
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