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

JavaScript Interview Questions

Questions Answers Views Company eMail

What is a name function in javascript?

969

What is a prompt box in javascript?

949

How to define name function in javascript?

951

What are the features of javascript?

898

What is argument objects in javascript?

904

What is the difference between java & javascript?

1000

What is the reason for wrapping the entire content of a javascript source file in a function book?

994

What is a name function in javascript & how to define it?

898

What is the difference between the operators ‘==‘ & ‘===‘?

936

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

998

What is the difference between innerhtml & innertext?

845

How does typeof operator work?

991

What is the difference between local storage & session storage?

873

How to get the type of arguments passed to a function?

875

What is the difference between null & undefined?

937

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Un-Answered Questions { JavaScript }

What is the scope of a function?

945

What is the use of the ‘this’ keyword?

973

What is the difference between push() and concat() in javascript?

1068

what data type javascript supports?

940

Expand BOM and explain it?

895

What is NaN?

989

Why it is not advised to use innerhtml in javascript?

889

What value does prompt() return if the user clicked the cancel button?

836

What is a framework programming?

876

How do we add javascript onto a web page?

924

Why do we need javascript?

910

Is webassembly faster than javascript?

910

What are javascript properties?

915

How can I request data from the server without reloading the page in the browser?

912

What and where are the best javascript resources on the web?

935

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