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Quiz of JavaScript

Total Questions: 9

Question No : 1

What is Javascript (Just google: wikipedia javascript and read first four paragraphs)

Ans:

High-level, often just-in-time compiled, and multi-paradigm programming language

Dynamic typing, prototype-based object-orientation programming language

A multi-paradigm language that supports event-driven, functional, and imperative programming styles

All the above

Question No : 2

Which one is not a type of variable?

Ans:

boolean

bulbuli

number

string

Question No : 3

Which method is used to convert a string to an integer?

Ans:

parseFloat()

parseString()

parseNumber()

parseInt()

Question No : 4

Which company developed JavaScript? (feel free to google it)

Ans:

Netscape

Google

Facebook

Firefox

Question No : 5

Which one is not a mathematical operator in JS?

Ans:

Question No : 6

What does it mean by writing two plus signs after a number type variable?

Ans:

Set the value to 0

Increase the value by 1

Decrease the value by 1

White plus toothpaste

Question No : 7

If you have a var age = 21; and then you write age += 8; now what will be the value of the variable age?

Ans:

218

Question No : 8

Which one is an acceptable variable name?

Ans:

mobile-price

1bookName

user9

“temperature”

Question No : 9

What will be the output of the code: console.log(17%5)

Ans: