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 difference between Local Storage and Session Storage?

1052

What is the difference between null and undefined?

1 1902

What is a Typed Language?

1014

What is a named function in JavaScript? How to define a named function?

985

How to define a anonymous function?

955

How to change the background color of HTML document using JavaScript?

910

What does a typeof operator do?

1014

How can you read properties of an Object in JavaScript?

947

Explain how to detect the operating system on the client machine?

933

Name some of the Javascript frameworks?

985

How to submit a form using JavaScript by clicking a link?

1061

How can an HTMLCollection be traversed?

1024

Explain the term closure?

1021

What is the difference between textContent and innerText?

992

How can a Javascript code redirect the user to a different page?

959

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Un-Answered Questions { JavaScript }

Public Static Void Main(String args[]) { System.out.in("Hai.."); } In the above code why string args[] is required.... If we are not giving command line argument..

2038

What is dom in javascript?

1000

What is the difference between JavaScript and jscript?

1270

What is the use of a typedarray object in javascript?

951

Describe javascript and vbscript.

1047

How to set the cursor to wait in JavaScript?

1080

How about 3+5+"8"?

990

What is the difference between java & javascript?

1087

How many types of variables are there in javascript?

939

How to detect browser name using JavaScript?

1038

When would you use var in your declaration and when you wouldn’t?

925

Why is javascript so hard?

860

What Does JavaScript Void(0) Mean?

946

What is the requirement of debugging in javascript?

959

What is the difference between innerhtml and append() in javascript?

1284

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