Quiz - XII CS

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Quiz - XII CS

Chapter 6- Client Side Scripting Using JavaScript

Name of Student *

School Name

1. In JavaScript .................. command is used to print a text in the body section of an HTML page *

1 point

documentwrite

write()

document.write()

document()

2. JavaScript uses the _______ keyword to define variables. *

1 point

variable

var

number

num

3. What is the extension for a JavaScript file? *

1 point

.java

.jar

.js

.html

4. The function used to know the type of data in JavaScript is ......................... *

1 point

typedef()

typeof()

isNaN()

alert()

5. ........................... is a special data type to represent variables that are not defined in JavaScript

1 point

boolean

number

undefined

string

Clear selection

6. ........................ is a function in JavaScript that converts a string type data containing numbers to number type *

1 point

isNaN()

Number()

alert()

charAt()

7. Which function in JavaScript is used to display a message to the user at the time of data validation *

1 point

isNaN()

Number()

alert()

charAt()

8. ................... keyword is used to define functions in JavaScript *

1 point

var

boolean

function

switch

9. The property of the drop down list(<SELECT> element) used to get the index of the selected item is ........................ *

1 point

index

selectedIndex

value

length

10. In JavaScript, which function is used to returns the character at a particular position. *

1 point

character()

alert()

charAt()

isNaN()

11.Among the following which one is the most correct. JavaScript is used mostly at the *

1 point

Client side

Server side

Client side and Server Side

Program side

12. Which tag is used to embed scripts in a web page *

1 point

<Head>

13. Which of the following is the correct statement in JavaScript to display a message "Welcome to Functions"

1 point

display("Welcome to Functions")

display("Welcome to Functions");

alert("Welcome to Functions")

alert("Welcome to Functions");

Clear selection

14. Which event occurs when the mouse pointer is moved onto an object *

1 point

onClick

onMouseEnter

onMouseLeave

onMouseMove

15. Which attribute of <SCRIPT> tag that is used to include an external JavaScript file into a web page *

1 point

Type

Language

Src

Style

16. The statement isNaN(13); return the value *

1 point

false

true

none of these

17. true is ................. type data *

1 point

number

string

boolean

character

18. .......................... is the value given to the language attribute of <SCRIPT> tag to specify that the code follows is JavaScript code. *

1 point

JavaScript

Script

Java

Client side

19. What is the value of following statement in JavaScript ”41” + 1; *

1 point

"42"

411

"411"

20. Find the odd one out *

1 point

number

boolean

string

character

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