Plus Two Computer Science

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Chapter 6: Client Side Scripting UsingJavaScript

Student Name *

School name *

1.JavaScript was developed by _______ *

1 point

Brendan Eich

Rasmus Lerdorf

John Von Neumann

Dr. Bjarne Stroustrup

2.In JavaScript ________ function is used to print a text in the body section of an HTML page. *

1 point

document.print()

write()

document.write()

documentwrite()

3. Which is not a basic data types in JavaScript *

1 point

Boolean

Void

String

Number

4. In JavaScript, variables can be declared by using the keyword _____ *

1 point

variable

None of these

key

var

5.The __________operator is used to concatenate two strings *

1 point

6. false is a ______ type data *

1 point

String

Boolean

Character

Number

7. _______ is a multi branching statement *

1 point

for

while

if - else

switch

8. The __________function is used to display a message on the screen *

1 point

print()

alert()

write()

message()

9. X=“Computer”; Y=X.length; what is the value of Y *

1 point

10. Which function returns the character at a particular position *

1 point

isNaN()

charat()

Charat()

charAt()

11.The function is used to check whether a value is a number or not *

1 point

isNan()

isNumber()

isnan()

isNaN()

12. The _____ event occurs when the mouse pointer is moved onto an object *

1 point

onKeyDown

onClick

onMouseLeave

onMouseEnter

13. X=“JavaScript”;Y = X.charAt(4);What is the value of Y *

1 point

14. Name an attribute of <SCRIPT> tag. *

1 point

Language

Text

Face

Width

15. The ______event occurs when the user releases a key on the keyboard *

1 point

onMouseEnter

onMouseLeave

onKeyUp

onKeyDown

16. The _______languages are used for validations of data at the client side itself *

1 point

Client side scripting

Server side scripting

scripting

None of these

17. An HTML file can contain only one <SCRIPT> tag in it *

1 point

True

False

18.The function converts the data into number type *

1 point

Number()

Integer()

parseInt()

Num()

19. What is the extension of JavaScript file *

1 point

.jf

.jsp

.jc

.js

20. A function is usually placed in the head section of a web page only *

1 point

True

False

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