Practice Caching And Debugging Multiple Choice Questions Quiz-2 - MCQGeeks.com

Q.1

How do we debug a script?

Use of JavaScript Validator
Use of JavaScript Debugger
Use of JavaScript Validator & Debugger
None of the mentioned

Q.2

What is the purpose of a JavaScript debugger?

Correction of errors
Placing script execution under control
Correction of errors & Placing script execution under control
None of the mentioned

Q.3

Where is the error icon shown in the Internet Explorer?

Where is the error icon shown in the Internet Explorer?
Status bar
Both Taskbar and Status bar
Both Taskbar and Status bar

Q.4

Where is the error icon option available?

Tools
Help
File
Edit

Q.5

Which of the following is the window that the Firefox sends the error messages to?

Bug Window
Error Issues
Error Window
Error Console

Q.6

How do you focus a particular part of the HTML page in JavaScript?

hover()
focus()
on()
all of the mentioned

Q.7

What is a framework?

User time efficiency
Author time efficiency
Both User time and Author time efficiency
None of the mentioned

Q.8

What is the procedure to view the console in the Firefox?

Tools->Error Console
Tools->Error Window
Help->Error Console
None of the mentioned

Q.9

Which of the following is the child object of the JavaScript navigator?

Navicat
Plugins
NetRight
None of the mentioned

Q.10

Which of the following are the properties of a plug-in entry?

name
filename
mimeTypes
all of the mentioned

Q.11

What is the purpose of the mimeTypes property of a plug-in entry?

Contains MIME properties
Contains MIME sizes
Contains MIME types
None of the mentioned

Q.12

What is it called when we make a mistake in the script?

Error
Bug
Mistake
All of the mentioned

Q.13

What would happen if the data in the client had been wrong?

Sends back the data
Waits for correction
Sends back the data and Waits for correction
None of the mentioned

Q.14

What is the purpose of the basic validation?

Data correctness
Mere data existence
Both Data correctness and Mere data existence
None of the mentioned

Q.15

What is the purpose of data format validation?

Data correctness
Mere data existence
Both Data correctness and Mere data existence
None of the mentioned

Q.16

How are the objects organized in the HTML DOM?

Class-wise
Queue
Hierarchy
None of the mentioned

Q.17

Which of the following is a type of HTML DOM?

Legacy DOM
W3C DOM
IE4 DOM
All of the mentioned

Q.18

What is the purpose of the Legacy DOM ?

Makes the scripting easier
Allows access to few keys and elements
All of the mentioned
None of the mentioned

Q.19

Which is the function that is called to validate a data?

validate()
valid()
validation()
none of the mentioned

Q.20

How to find the index of a particular string?

position()
index()
indexOf()
none of the mentioned

Q.21

Which object is the top of the hierarchy?

Window Object
Document Object
Form Object
Form Control Elements

Q.22

In which part does the form validation occur?

Client
Server
Both Client and Server
None of the mentioned

Q.23

What is the purpose of the method nodeMap.setNamedItem()?

Sets ID
Sets attribute node
Sets element name
None of the mentioned

Q.24

How is everything treated in HTML DOM?

Node
Attributes
Elements
All of the mentioned

Q.25

What does the NamedNodeMap object represent in the HTML DOM?

Unordered collection of elements
Unordered collection of attributes
Unordered collection of nodes
All of the mentioned

Q.26

What is the purpose of the Attr object in the HTML DOM?

Used to focus on a particular part of the HTML page
HTML Attribute
Used to arrange elements
None of the mentioned

Q.27

What is the work of the form control elements in the HTML DOM?

User Interface elements
All the possible elements
Debugging elements
None of the mentioned

Q.28

Which of the following global variables is used to get parameters?

$HTTP_GET_VAR[]
$HTTP_GET_VARS()
$HTTP_GET_VARS
$HTTP_GET_VARS[]

Q.29

What are the two parts of JavaScript libraries?

“script” tag and “body” tag
External JavaScript and the “script” tag
“html” tag and “body” tag
None of the mentioned

Q.30

What is the purpose of the RegExp method test()?

Tests for a match in its float parameter
Tests for a match in its string parameter
Tests for a match in its integer parameter
None of the mentioned

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