Question

 Consider the following statements with respect to JavaScript:

(I) A variable is created using the var keyword

(II) JavaScript is untyped language.

Which of the above are true?  

1. (I) only 
2. Both (I) and (II) 
3. (II) only 
4. neither (I) nor (II)

Answer 1

Correct Answer - Option 2 : Both (I) and (II) 

Concept:

Javascript was created to make webpages live. It is a scripting language that enables to create dynamically updating content and allows to implement complex features or web pages.

Explanation:

Statement (I): A variable is created using the var keyword

Javascript variable: It is simply a name of storage location. Javascript variable is created using the var keyword.

Example: var x= 20;

Therefore it is correct.

Statement (II): JavaScript is an untyped language.

Javascript is an untyped language. It means that a javascript variable can hold a value of any data type. It does not work like C, C++, Java. Data types like int, char are not needed here.

Therefore it is correct.