_When will the window property come into play?$?

Use as an extension of other objects

Use objects in the Window object

_What is the code snippet to update the content of the timestamp element when the user clicks on it?$?

timestamp.onload = function() { this.innerHTML = new Date().toString(); }

timestamp.onLoad = function() { this.innerHTML = new Date().toString(); }

timestamp.onclick = function() { this.innerHTML = new Date().toString(); }

timestamp.onload = function() { this.innerHTML = new Date().toString(); }

timestamp.onclick = function() { innerHTML = new Date().toString(); }

_What will be done if more than one page requires a file of JavaScript code?$?

Retrives from the browser cache

What does Rhino do when the getter and setter methods exist?$?

Java classes are used to avoid them

It becomes JavaScript properties

Java classes are used to avoid them

Java classes & JavaScript properties

Which of the following reads the textual contents of a URL and returns as a string?$?

load(filename,‚Äö√Ñ¬∂);

Client-side JavaScript code is embedded within HTML documents in$?

A URL that uses the special javascript:code

A URL that uses the special javascript:encoding

A URL that uses the special javascript:stack

A URL that uses the special javascript:protocol

A URL that uses the special javascript:code

The behaviour of the document elements can be defined by$?

Registering appropriate event handlers

What is the code snippet to find all container elements with class ‚Äö√Ñ√∫reveal‚Äö√Ñ√π?$?

var elements = document.getElementByClassName("reveal");

var elements = document.getElementsByClassName("reveal");

var elements = document.getElementByClassName("reveal");

var elements = document.getElementByName("reveal");

var elements = document.getElementsClassName("reveal");

One of the main advantage of using src attribute is$?

It restricts manipulation in the HTML file

What is the code snippet to find all container elements with class ‚Äö√Ñ√∫reveal‚Äö√Ñ√π??

var elements = document.getElementByClassName("reveal");

var elements = document.getElementsByClassName("reveal");

var elements = document.getElementByClassName("reveal");

var elements = document.getElementByName("reveal");

var elements = document.getElementsClassName("reveal");

One of the main advantage of using src attribute is?

It restricts manipulation in the HTML file

A JavaScript program can traverse and manipulate document content through

Both Element and Document Object

The word ‚Äö√Ñ√∫document‚Äö√Ñ√π mainly refers to$

Both Dynamic and Static Information

The setTimeout() method is used to

Invoke an event after a certain time

Register a function to be invoked after a certain time

Invoke an event after a certain time

The main purpose of JavaScript in web browser is to

Creating animations and other visual effects

What is the code to print hello one second from now?

setTimeout(function() { 1000, console.log("Hello World"); });

setTimeout(function() { console.log("Hello World"); }, 1000);

setTimeout(function() { 1000, console.log("Hello World"); });

setTimeout(function(1000) { console.log("Hello World"); });

setTimeout(function() { console.log("Hello World"); });

145 + Mcqs in Server Side And Client Side Scripting in Javascript Page 3 McqOptions

101.	__What is the alternative command used in Node for load()?__
A.	store()
B.	module()
C.	log()
D.	require()
Answer» E.

Discussion

102.	__Which is the root element in a HTML document?__
A.	HTML
B.	HEAD
C.	SCRIPT
D.	BODY
Answer» B. HEAD

Discussion

103.	__Which of the following framework was used by Google for Gmail?__
A.	Dojo
B.	GWT
C.	Closure
D.	YUI
Answer» E.

Discussion

104.	_Which of the following frameworks focuses on DOM and Ajax utilities?$?
A.	jQuery
B.	Prototype
C.	Dojo
D.	Both jQueryand Prototype
Answer» E.

Discussion

105.	_What is the function used to remove all handlers for name events?$?
A.	deleteAllListeners(name)
B.	deleteListener(name,f)
C.	removerListener(name,f)
D.	removeAllListeners(name)
Answer» E.

Discussion

106.	_Which identifier is used to represent a web browser window or frame?$?
A.	frames
B.	window
C.	location
D.	frame
Answer» C. location

Discussion

107.	_When will the window property come into play?$?
A.	Representation convenience
B.	Use as an extension of other objects
C.	Use objects in the Window object
D.	Refer to window object itself
Answer» E.

Discussion

108.	_The style property belongs to while of the following object?$?
A.	Element
B.	Window
C.	Location
D.	None of the mentioned
Answer» B. Window

Discussion

109.	_What is the code snippet to update the content of the timestamp element when the user clicks on it?$?
A.	timestamp.onLoad = function() { this.innerHTML = new Date().toString(); }
B.	timestamp.onclick = function() { this.innerHTML = new Date().toString(); }
C.	timestamp.onload = function() { this.innerHTML = new Date().toString(); }
D.	timestamp.onclick = function() { innerHTML = new Date().toString(); }
Answer» C. timestamp.onload = function() { this.innerHTML = new Date().toString(); }

Discussion

110.	_What will be done if more than one page requires a file of JavaScript code?$?
A.	Downloads that many times
B.	Retrives from the browser cache
C.	Must be re executed
D.	None of the mentioned
Answer» C. Must be re executed

Discussion

111.	What does Rhino do when the getter and setter methods exist?$?
A.	It becomes JavaScript properties
B.	Java classes are used to avoid them
C.	Java classes & JavaScript properties
D.	None of the mentioned
Answer» B. Java classes are used to avoid them

Discussion

112.	Which of the following reads the textual contents of a URL and returns as a string?$?
A.	spawn(f);
B.	load(filename,‚Äö√Ñ¬∂);
C.	readFile(file);
D.	readUrl(url);
Answer» E.

Discussion

113.	What is the method used to pause ‚Äö√Ñ√∫data‚Äö√Ñ√π events?$?
A.	s.pause();
B.	s.stop();
C.	s.halt();
D.	s.wait();
Answer» B. s.stop();

Discussion

114.	Client-side JavaScript code is embedded within HTML documents in$?
A.	A URL that uses the special javascript:encoding
B.	A URL that uses the special javascript:stack
C.	A URL that uses the special javascript:protocol
D.	A URL that uses the special javascript:code
Answer» D. A URL that uses the special javascript:code

Discussion

115.	The behaviour of the document elements can be defined by$?
A.	Using document object
B.	Registering appropriate event handlers
C.	Using element object
D.	All of the mentioned
Answer» C. Using element object

Discussion

116.	The necessary globals of a node are defined under which namespace?$?
A.	variables
B.	system
C.	process
D.	using
Answer» D. using

Discussion

117.	What is the command to run the node programs?$?
A.	node(program.js)
B.	program.js
C.	node program.js
D.	node.program.js
Answer» D. node.program.js

Discussion

118.	Which character in JavaScript code will be interpreted as XML markup?$?
A.	!
B.	>
C.	&
D.	.
Answer» D. .

Discussion

119.	Which object is the main entry point to all client-side JavaScript features and APIs?$?
A.	Standard
B.	Location
C.	Window
D.	Position
Answer» D. Position

Discussion

120.	Which of the following is a global object?$?
A.	Register
B.	Location
C.	Window
D.	Position
Answer» D. Position

Discussion

121.	What are the properties supporting CSS styles for a document element?$?
A.	style and font
B.	style and className
C.	size and style
D.	className and font
Answer» C. size and style

Discussion

122.	What is the code snippet to find all container elements with class ‚Äö√Ñ√∫reveal‚Äö√Ñ√π?$?
A.	var elements = document.getElementsByClassName("reveal");
B.	var elements = document.getElementByClassName("reveal");
C.	var elements = document.getElementByName("reveal");
D.	var elements = document.getElementsClassName("reveal");
Answer» B. var elements = document.getElementByClassName("reveal");

Discussion

123.	One of the main advantage of using src attribute is$?
A.	It becomes self-cached
B.	It makes the HTML file modular
C.	It restricts manipulation in the HTML file
D.	It simplifies the HTML files
Answer» E.

Discussion

124.	Which of the following is not a framework?$?
A.	jQuery
B.	.NET
C.	JavaScript
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

125.	What is the function used to deregister event handler ‚Äö√Ñ√≤f‚Äö√Ñ√¥?$?
A.	deleteAllListeners(name)
B.	deleteListener(name,f)
C.	removerListener(name,f)
D.	removeAllListeners(name)
Answer» D. removeAllListeners(name)

Discussion

126.	What are the two incompatible versions of YUI?$?
A.	YUI1 and YUI2
B.	YUI2 and YUI4
C.	YUI1 and YUI3
D.	YUI2 and YUI3
Answer» B. YUI2 and YUI4

Discussion

127.	Which of the following is not a framework??
A.	jQuery
B.	.NET
C.	JavaScript
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

128.	What is the function used to deregister event handler ‚Äö√Ñ√≤f‚Äö√Ñ√¥??
A.	deleteAllListeners(name)
B.	deleteListener(name,f)
C.	removerListener(name,f)
D.	removeAllListeners(name)
Answer» D. removeAllListeners(name)

Discussion

129.	Which object is the main entry point to all client-side JavaScript features and APIs??
A.	Standard
B.	Location
C.	Window
D.	Position
Answer» D. Position

Discussion

130.	Which of the following is a global object??
A.	Register
B.	Location
C.	Window
D.	Position
Answer» D. Position

Discussion

131.	What are the properties supporting CSS styles for a document element??
A.	style and font
B.	style and className
C.	size and style
D.	className and font
Answer» C. size and style

Discussion

132.	What is the code snippet to find all container elements with class ‚Äö√Ñ√∫reveal‚Äö√Ñ√π??
A.	var elements = document.getElementsByClassName("reveal");
B.	var elements = document.getElementByClassName("reveal");
C.	var elements = document.getElementByName("reveal");
D.	var elements = document.getElementsClassName("reveal");
Answer» B. var elements = document.getElementByClassName("reveal");

Discussion

133.	One of the main advantage of using src attribute is?
A.	It becomes self-cached
B.	It makes the HTML file modular
C.	It restricts manipulation in the HTML file
D.	It simplifies the HTML files
Answer» E.

Discussion

134.	Consider the following code snippetvar f = new java.io.File("/tmp/test");var out = new java.io.FileWriter(f);out instanceof java.io.ReaderWhat will be the output for the above code snippet?
A.	Error
B.	True
C.	Exception
D.	False
Answer» E.

Discussion

135.	JavaScript code between a pair of ‚Äö√Ñ√∫script‚Äö√Ñ√π tags are called$
A.	Non-inline
B.	External
C.	Referenced
D.	Inline
Answer» E.

Discussion

136.	A JavaScript program can traverse and manipulate document content through
A.	Element Object
B.	Document Object
C.	Both Element and Document Object
D.	None of the mentioned
Answer» D. None of the mentioned

Discussion

137.	The libraries that build a new higher-level API for client-side programming is
A.	Library
B.	Framework
C.	APIs
D.	All of the mentioned
Answer» C. APIs

Discussion

138.	The word ‚Äö√Ñ√∫document‚Äö√Ñ√π mainly refers to$
A.	Dynamic Information
B.	Static Information
C.	Both Dynamic and Static Information
D.	None of the mentioned
Answer» C. Both Dynamic and Static Information

Discussion

139.	The setTimeout() method is used to
A.	Make the event sleep
B.	Register a function to be invoked after a certain time
C.	Invoke an event after a certain time
D.	Time for iteration
Answer» C. Invoke an event after a certain time

Discussion

140.	What is the property to access the first child of a node?
A.	timestamp.Child1
B.	timestamp.Child(1)
C.	timestamp.Child(0)
D.	timestamp.firstChild
Answer» E.

Discussion

141.	When a program contains extensive use of event handlers, which of the following is necessary?
A.	Modular functions
B.	Nested functions
C.	Split up programs
D.	All of the mentioned
Answer» C. Split up programs

Discussion

142.	What is the code to start displaying the time when document loads?
A.	onload = displayTime;
B.	window. = displayTime;
C.	window.onload = displayTime;
D.	window.onload = start;
Answer» D. window.onload = start;

Discussion

143.	Rhino is originated by
A.	Microsoft
B.	Mozilla
C.	Apple
D.	None of the mentioned
Answer» C. Apple

Discussion

144.	The main purpose of JavaScript in web browser is to
A.	Creating animations and other visual effects
B.	User Interface
C.	Visual effects
D.	None of the mentioned
Answer» B. User Interface

Discussion

145.	What is the code to print hello one second from now?
A.	setTimeout(function() { console.log("Hello World"); }, 1000);
B.	setTimeout(function() { 1000, console.log("Hello World"); });
C.	setTimeout(function(1000) { console.log("Hello World"); });
D.	setTimeout(function() { console.log("Hello World"); });
Answer» B. setTimeout(function() { 1000, console.log("Hello World"); });

Discussion

Explore topic-wise MCQs in Javascript.

__What is the alternative command used in Node for load()?__

__Which is the root element in a HTML document?__

__Which of the following framework was used by Google for Gmail?__

_Which of the following frameworks focuses on DOM and Ajax utilities?$?

_What is the function used to remove all handlers for name events?$?

_Which identifier is used to represent a web browser window or frame?$?

_When will the window property come into play?$?

_The style property belongs to while of the following object?$?

_What is the code snippet to update the content of the timestamp element when the user clicks on it?$?

_What will be done if more than one page requires a file of JavaScript code?$?

What does Rhino do when the getter and setter methods exist?$?

Which of the following reads the textual contents of a URL and returns as a string?$?

What is the method used to pause ‚Äö√Ñ√∫data‚Äö√Ñ√π events?$?

Client-side JavaScript code is embedded within HTML documents in$?

The behaviour of the document elements can be defined by$?

The necessary globals of a node are defined under which namespace?$?

What is the command to run the node programs?$?

Which character in JavaScript code will be interpreted as XML markup?$?

Which object is the main entry point to all client-side JavaScript features and APIs?$?

Which of the following is a global object?$?

What are the properties supporting CSS styles for a document element?$?

What is the code snippet to find all container elements with class ‚Äö√Ñ√∫reveal‚Äö√Ñ√π?$?

One of the main advantage of using src attribute is$?

Which of the following is not a framework?$?

What is the function used to deregister event handler ‚Äö√Ñ√≤f‚Äö√Ñ√¥?$?

What are the two incompatible versions of YUI?$?

Which of the following is not a framework??

What is the function used to deregister event handler ‚Äö√Ñ√≤f‚Äö√Ñ√¥??

Which object is the main entry point to all client-side JavaScript features and APIs??

Which of the following is a global object??

What are the properties supporting CSS styles for a document element??

What is the code snippet to find all container elements with class ‚Äö√Ñ√∫reveal‚Äö√Ñ√π??

One of the main advantage of using src attribute is?

Consider the following code snippetvar f = new java.io.File("/tmp/test");var out = new java.io.FileWriter(f);out instanceof java.io.ReaderWhat will be the output for the above code snippet?

JavaScript code between a pair of ‚Äö√Ñ√∫script‚Äö√Ñ√π tags are called$

A JavaScript program can traverse and manipulate document content through

The libraries that build a new higher-level API for client-side programming is

The word ‚Äö√Ñ√∫document‚Äö√Ñ√π mainly refers to$

The setTimeout() method is used to

What is the property to access the first child of a node?

When a program contains extensive use of event handlers, which of the following is necessary?

What is the code to start displaying the time when document loads?

Rhino is originated by

The main purpose of JavaScript in web browser is to

What is the code to print hello one second from now?

What is the alternative command used in Node for load()?

Which is the root element in a HTML document?

Which of the following framework was used by Google for Gmail?