JavaScript Interview questions


Total available count: 22
Subject - JavaScript Frameworks
Subsubject - JavaScript

What is an undefined value in JavaScript?

Undefined value means the,
•    Variable used in the code doesn't exist
•    Variable is not assigned to any value
•    Property doesn't exist




Next 5 interview question(s)

1
What are all the types of Pop up boxes available in JavaScript?
2
What are all the looping structures in JavaScript?
3
What is the use of Void(0)?
4
What are JavaScript Cookies?
5
What are the different types of errors in JavaScript?

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