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JavaScript Interview questions


Total available count: 22
Subject - JavaScript Frameworks
Subsubject - JavaScript
1
What is JavaScript?
2
Does JavaScript follow ECMA Script rules?
3
Who implemented JavaScript?
4
What are the features of JavaScript?
5
What are JavaScript data types?
6
What are the different types of data types in JavaScript?
7
What is break and continue statements?
8
What is the use of isNaN function?
9
What is NEGATIVE_INFINITY?
10
What is 'this' keyword in JavaScript?
11
What is a prompt box?
12
Which symbol is used for comments in JavaScript?
13
What is the difference between == and === operator?
14
What are setTimeout, setInterval and clearInterval in JavaScsript?
15
What do mean by NULL in JavaScript?
16
What is an undefined value in JavaScript?
17
What are all the types of Pop up boxes available in JavaScript?
18
What are all the looping structures in JavaScript?
19
What is the use of Void(0)?
20
What are JavaScript Cookies?
21
What are the different types of errors in JavaScript?
22
What is the way to get the status of a CheckBox?