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 purpose of 'this' operator in JavaScript?

1067

What is escape & unescape String functions in JavaScript?

984

Can you pass a anonymous function as an argument to another function?

1046

What is the difference between JavaScript and jscript?

1 1145

What are the advantages of using JavaScript?

971

Which built-in method combines the text of two strings and returns a new string?

1068

What is the difference between undefined and not defined in JavaScript?

939

How can you get the total number of arguments passed to a function?

1025

what is pop()method in JavaScript?

949

How can you get the reference of a caller function inside a function?

976

Is there automatic type conversion in JavaScript?

904

How to create array in JavaScript?

1066

What is arguments object in JavaScript?

1037

Whether JavaScript has concept level scope?

966

What is the instanceof operator in JavaScript?

913

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Un-Answered Questions { JavaScript }

What would be the result of 3+2+”7″?

1413

What is called variable?

828

What is local scope in javascript?

911

How do I open a .js file?

832

What is a boolean search?

813

What is decodeuri() in javascript?

957

How to comment javascript code?

923

How to write hello world on the web page?

885

In javascript what is an argument object?

1497

What are classes in javascript?

905

List some of the disadvantages of javascript.

987

If an array with name as "names" contain three elements, then how will you print the third element of this array?

941

Should I learn java first or javascript?

908

What are undeclared and undefined variables?

961

How to add multiple functions in javascript?

840

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