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?

982

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?

932

Name some of the Javascript frameworks?

985

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

1059

How can an HTMLCollection be traversed?

1023

Explain the term closure?

1021

What is the difference between textContent and innerText?

988

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

959

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Un-Answered Questions { JavaScript }

What is a global variable in programming?

966

Explain typecasting in javascript?

905

Are java and javascript same?

986

What’s a way to append a value to an array?

1033

List some data types supported by javascript?

920

How to define name function in javascript?

992

Does javascript support automatic type conversion, if yes give example.

1062

What are the Advantages and Disadvantages of JavaScript?

1029

Give an example of closure?

949

If you need to hide the javascript code from the older browser versions, how will you perform it?

978

What are disadvantages of using javascript?

1134

How do you access an element in an HTML document with JavaScript?

1005

Where do I write javascript code?

1023

What is Browser Object Model?

971

Are Javascript and JScript the same?

977

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