Javascript Interview Questions and answers

JavaScript Interview Questions and Answers

Frequently asked Interview Question and Answer in JavaScript suites for both Freshers and Experienced Candidates.

Interview Question and Answer Set 1

1.What is JavaScript?JavaScript is a client-side as well as server side scripting language that can be...

Interview Question and Answer Set 3

21. What do mean by NULL in Javascript?The NULL value is used to represent no value or no object...

Interview Question and Answer Set 2

11. What is a prompt box? prompt box is a box which allows the user to enter input by providing a text box...

Interview Question and Answer Set 4

31. Describe the properties of an anonymous function in JavaScript?A function that is declared without any named...

Interview Question and Answer Set 5

41. How to write comment in JavaScript?There are two types of comments in JavaScript.Single Line Comment...

Interview Question and Answer Set 7

61. What are the valid scopes of a variable in JavaScript?The scope of a variable is the region of your...

Interview Question and Answer Set 6

51. What is the difference between undefined value and null value?Undefined value: A value that is not defined...