Online Exam On Development,java Script,basics

JavaScript is ______ Side Scripting Language.

Server

ISP

Browser

None of These

JSON strings have to be in

single quote

double quote

single quote or double quote

JavaScript is also called as _____________.

Server Side Scripting Language

Browser/Client Side Scripting Language.

Not a Client Side Scripting Language.

None of These

Microsoft Developed a compatible dialect of JavaScript called _____________.

JScript.

MS JavaScript

MJavaScript

Advanced JavaScript

One of the special features of an interpreter in reference with the for loop is that ___________

Before each iteration, the interpreter evaluates the variable expression and assigns the name of the property

The iterations can be infinite when an interpreter is used

The body of the loop is executed only once

the iteration is finite when an interpreter is used

To enable data tainting, the end user sets the _________ environment variable.

ENABLE_TAINT

MS_ENABLE_TAINT

NS_ENABLE_TAINT

ENABLE_TAINT_NS

Which types of image maps can be used with JavaScript?

Server-side image maps

Client-side image maps

Server-side image maps and Client-side image maps

None of the above

JavaScript is interpreted by _________

Client

Server

Object

None of the above

JavaScript is _________ language.

Programming

Application

Scripting

None of These

Which of the following attribute can hold the JavaScript version?

LANGUAGE

SCRIPT

VERSION

None of the above

JavaScript Code can be called by using _________.

Triggering Event

RMI

Preprocessor

None Of thease

All modern browsers supports JS.

False

True

______ attribute is used to specify the character encoding used in an external script file.

type

charset

character

None of These

JavaScript was invented at _______ Lab .

Netscape

Google Lab

AT&T Bell LAb

Sun Microsystem

Which of the following function of Array object returns the last (greatest) index of an element within the array equal to the specified value, or -1 if none is found?

indexOf()

join()

lastIndexOf()

map()

Which tag(s) can handle mouse events in Netscape?

None of the above

If para1 is the DOM object for a paragraph, what is the correct syntax to change the text within the paragraph?

"New Text"?

para1.value="New Text";

para1.firstChild.nodeValue= "New Text";

para1.nodeValue="New Text";

Which of the following function of String object causes a string to be italic, as if it were in an tag?

fixed()

fontcolor()

fontsize()

italics()

Which of the following function of Array object applies a function simultaneously against two values of the array (from right-to-left) as to reduce it to a single value?

pop()

push()

reduce()

reduceRight()

Which of the following Attribute is used to include External JS code inside your HTML Document -

link

script

src

ext

The generalised syntax for a real number representation is

[digits][.digits][(E|e)[(+|-)]digits].

[digits][+digits][(E|e)[(+|-)]digits].

[digits][(E|e)[(+|-)]digits].

[.digits][digits][(E|e)[(+|-)]digits].

The development environment offers which standard construct for data validation

Super controlled loop constructs

Case sensitivity check

Validation constructs

All of the mentioned

Which company developed JavaScript?

Netscape

Bell Labs

Sun Microsystems

IBM

Choose the server-side JavaScript object?

FileUpLoad

Function

File

Date

Which of the following is not considered as an error in JavaScript?

Syntax error

Missing of semicolons

Division by zero

All of the mentioned

Which of the following is not a JSON type?

Object

Date

Array

String

The type of a variable that is volatile is

Volatile variable

Mutable variable

Immutable variable

Dynamic variable

To automatically open the console when a JavaScript error occurs which of the following is added to prefs.js?

user_pref(" javascript.console.open_on_error", false);

user_pref("javascript.console.open_error ", true);

user_pref("javascript.console.open_error ", false);

user_pref("javascript.console.open_on_error", true);

_____ JavaScript statements embedded in an HTML page can respond to user events such as mouse-clicks, form input, and page navigation.

Client-side

Server-side

Local

Native

To open a dialog box each time an error occurs, which of the following is added to prefs.js?

user_pref("javascript.classic.error_alerts", true);

user_pref("javascript.classic.error_alerts ", false);

user_pref("javascript.console.open_on_error ", true);

user_pref("javascript.console.open_on_error ", false);

Note:

Click the 'Submit Test' button given in the bottom of this page to Submit your answers.
Test will be submitted automatically if the time expired.
Don't refresh the page.

A to Z Exams

Development - Java Script - Basics Test

Test Instructions :

1. The Test is 1hr duration.

2. The Test Paper consists of 30 questions. The maximum marks are 30.

3. All the questions are multiple choice question type with three options for each question.

4. Out of the three options given for each question, only one option is the correct answer.

5. Each question is allotted 1 mark for each correct response.

6. 0.25 will be deducted for incorrect response of each question.

Time Left : 00 : 30 : 00