JavaScript Level 1

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JavaScript Level 1

Online Mock Test

1 What is the process of writing instruction to be get executed by the computer? *

1 point

Executing

Debugging

Programming

Presenting

2 Which is a statement terminator in JavaScript? *

1 point

. .

;

3 Who developed JavaScript? *

1 point

John Eckerl

Brendan Eich

Brendan Rich

John Mauchy

4 Which programming language’s syntax influences JavaScript syntax? *

1 point

JDK

COBOL

Java

5 Which web server provides good customer support if it had any issues? *

1 point

Apache

Nginx

Lite speed

IIS

6 Which web server has high-performance stability simple configuration and low resource usage? *

1 point

IIS

Lite speed

Apache

Nginx

7 Which key is used to declare a variable in JavaScript? *

1 point

Dec

Dim

Const

Var

8 Which is a variable separator if more than one variable declared in one statement? *

1 point

–

9 Which brackets is used to write an array in javaScript? *

1 point

Corner bracket

Square bracket

Curve bracket

Curly bracket

10 Which bracket is used to write object in JavaScript? *

1 point

Curly bracket

Curve bracket

Corner bracket

Square bracket

11 How many types of operations are there in JavaScript? *

1 point

12 What is the purpose of the modulo (%) operator in JavaScript? *

1 point

Product value

Reminder value

Quotient value

Percentage value

13 How many parts are there in the ‘For’ loop? *

1 point

14 Which part in the loop evaluates the conditions? *

1 point

Initialisation part

Increment /Decrement part

Condition part

Looping part

15 How many types of errors are there in JavaScript programming? *

1 point

16 How many different values can be returned by the error name property in JavaScript? *

1 point

17 Which object method is used to return the value rounded down to its nearest integer? *

1 point

abs ( )

round ( )

ceil ( )

floor ( )

18 Which special variable holds more than one value at a time? *

1 point

Object

Function

Element

Array

19 Which is the parameter name separator in JavaScript? *

1 point

–

20 Which function in JavaScript converts a number to a string? *

1 point

String( )

tostring( )

Str( )

Num( )

21 Which allows developers to bundle all functionality under a unique application-specific name? *

1 point

Name space

Property

Object

Class

22 Which is a valid js code to sort elements of an array treacle? *

1 point

Sort.(trade);

Trade.sort( );

Sort.trade( );

Trade.sort :

23 What is the full form of BOM? *

1 point

Browser Oriented Model

Browser Oriented Method

Browser Object Method

Browser Object Model

24 What is the full form of TOC? *

1 point

Terminator of content

Time of calculation

Table of content

Text of content

25 Which is the first phase of the System Development Life Cycle? *

1 point

Defining

Planning

Testing

Developing

26 What is the abbreviation of W3C in Dom? *

1 point

World Wide Web Centre

World Wide Web Consortium

World Wide Web Content

Word Wide Web Curriculum

27 Which variable is deleted in JavaScript when the page is closed? *

1 point

Function variable

Global variable

Local variable

Object variable

28 Which method is called at the moment of instantiation of an object? *

1 point

Inheritance

Polymorphism

Property

Constructor

Submit

Clear form

Forms

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