JavaScript Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

JavaScript Interview Questions

Questions Answers Views Company eMail

What is the use of debugger keyword in javascript?

899

What is the use of a date object in javascript?

1059

How to validate a form in javascript?

946

What is the use of a boolean object in javascript?

1035

How to write a hello world example of javascript?

937

How do you target a specific frame from a hyperlink?

926

What are the boolean operators supported by javascript? And operator: &&

997

How to detect the operating system on the client machine?

922

What do you understand by this keyword in javascript?

881

How do we add javascript onto a web page?

949

How can javascript be used to personalize or tailor a web site to fit individual users?

877

How can javascript make a web site easier to use? That is, are there certain javascript techniques that make it easier for people to use a web site?

1091

What web sites do you feel use javascript most effectively (i.e., Best-in-class examples)? The worst?

934

How do you change the style/class on any element using javascript?

922

How will you get the checkbox status whether it is checked or not?

884

Post New JavaScript Questions

Un-Answered Questions { JavaScript }

What is null in javascript?

993

In Java coding we will write a public static void main()? Why won't we write as a static public void main()

2603

What is difference between array.splice() and array.slice() method in javascript?

1011

What are the difference between undefined and not defined in javascript?

1006

How can you read properties of an Object in JavaScript?

947

What is singleton class in javascript? Explain

983

Is notepad ++ an ide?

896

How about 3+5+"8"?

989

What is the use of isNaN function?

950

all possible test cases for normal number field,name field date field,check box,

1444

How to toggle display an html element?

1067

How do I view javascript files in chrome?

914

Where can I learn javascript for free?

1114

What is dhtml in javascript?

923

Basic methods for opening a popup window using javascript?

982

For More Un-Answered { JavaScript } Questions Click Here