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

JavaScript Interview Questions

Questions Answers Views Company eMail

What is difference between deep and shallow object coping in javascript?

1041

Explain higher-order functions in javascript?

914

Explain javascript accessors ?

915

Explain arrow functions?

979

Is it possible to do 301 redirects in javascript ?

891

List some unit testing frameworks javascript

933

How to remove duplicates from javascript array?

1008

How to remove duplicate values from a javascript array?

1008

What are exports and imports?

975

What are different types of inheritence? Which inheritance is followed in javascript.

922

Explain few difference between null, undefined or undeclared javascript variable?

919

List different ways of empty an array in javascript?

861

How to add a new property in existing function javascript?

970

How to encode and decode a url in javascript?

1072

What does the instanceof operator do?

1022

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Un-Answered Questions { JavaScript }

What does two exclamation marks mean in javascript?

974

Can you give an example showing javascript hoisting?

859

How can you create an Object in JavaScript?

1141

What are the advantages of using JavaScript?

1018

Can I learn javascript without html?

954

What are the variables in javascript?

1087

What are javascript objects?

969

How Can I get facebook fans/likes?

1907

What are the features of javascript?

944

How many data types are there in javascript?

1044

What is the most widely used programming language?

917

what is pop()method in JavaScript?

1015

What are the properties of stack?

955

What is escape() function?

945

Can you explain the difference between call and apply?

983

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