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Quiz Of JavaScript
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
2. Which one is not a type of variable?
boolean
bulbuli
number
string
3. Which method is used to convert a string to an integer?
parseFloat()
parseString()
parseNumber()
parseInt()
4. Which company developed JavaScript? (feel free to google it)
Netscape
Google
Facebook
Firefox
5. Which one is not a mathematical operator in JS?
/
%
*
\
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
7. If you have a var age = 21; and then you write age += 8; now what will be the value of the variable age?
21
8
218
29
8. Which one is an acceptable variable name?
mobile-price
1bookName
user9
“temperature”
9. What will be the output of the code: console.log(17%5)
7
2
5
3