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

JavaScript Interview Questions

Questions Answers Views Company eMail

Difference Between JavaScript and ECMAScript?

852

How to prevent modification of an object in Javascript?

1087

How would you compare two objects in JavaScript?

927

What is differential inheritance?

914

How to load another html page from javascript?

918

Javascript, Pass by Value or Pass by Reference?

937

Difference between window, document, and screen in Javascript?

1061

What is Date object in JavaScript?

1031

Why extending array is bad idea?

996

What is the difference between .call() and .apply()?

983

What are the primitive data types in JavaScript?

992

Entire content of a JavaScript source file in a function block?

1013

How to detect the OS on the client machine in JavaScript?

1060

What is the use of blur function in JavaScript?

995

How do you submit a form using JavaScript?

886

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Un-Answered Questions { JavaScript }

How to redirect a url using JavaScript?

1050

What is the use of history object?

1585

What is object freeze?

842

List out the Mouse Events?

902

What is a function constructor?

862

Which built-in method reverses the order of the elements of an array?

902

Is Exception handling possible in Javascript?

963

Can you access Cookie using javascript?

964

Name some of the built-in methods and the values returned by them.

993

Where do I put javascript code in html?

977

What is the role of javascript in html?

901

What is the result of below given line of code in java script? 5+4+'7'?

858

What is servlet in javascript?

904

What are the four types of javascript objects?

895

What is variables in javascript?

907

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