Quiz of JavaScript

Quiz 1 : What is Javascript (Just google: wikipedia javascript and read first four paragraphs)

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

Quiz 2 : Which one is not a type of variable?

boolean

bulbuli

number

string

Quiz 3 : Which method is used to convert a string to an integer?

parseFloat()

parseString()

parseNumber()

parseInt()

Quiz 4 : Which company developed JavaScript? (feel free to google it)

Netscape

Google

Facebook

Firefox

Quiz 5 : Which one is not a mathematical operator in JS?

Quiz 6 : What does it mean by writing two plus signs after a number type variable?

Set the value to 0

Increase the value by 1

Decrease the value by 1

White plus toothpaste

Quiz 7 : If you have a var age = 21; and then you write age += 8; now what will be the value of the variable age?

218

Quiz 8 : Which one is an acceptable variable name?

mobile-price

1bookName

user9

“temperature”

Quiz 9 : What will be the output of the code: console.log(17%5)