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

JavaScript Interview Questions

Questions Answers Views Company eMail

How to access an external javascript file that is stored externally and not embedded?

1183

Name the numeric constants representing max, min values?

1031

Explain prototypal/differential inheritance?

1128

Difference json arrary vs json object ?

979

How to get value from a textbox?

1204

How to comment javascript code?

1020

How do you create array in javascript?

1046

What's math constants and functions using javascript?

1131

How to set a html document's background color?

995

If 2 methods have same name and same number of parameters, which one will be executed first?

979

What is the difference between sessionstate and viewstate?

988

What is the difference between == and ===? Which one would you use?

1123

How to disable an html object ?

1208

Explain why "self" is needed instead of "this".

1010

What is the prototype object in javascript and how it is used?

1025

Post New JavaScript Questions

Un-Answered Questions { JavaScript }

What are javascript functions?

969

What is the naming conventions for the variables in javascript?

1065

Why typeof null is object?

1043

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

1124

Explain the term closure?

1064

Who introduced javascript?

978

How to accessing elements using javascript?

1072

What is the use of a boolean object in javascript?

1110

How to define name function in javascript?

1045

What are escape characters?

971

What is difference between api and library?

1054

what data type javascript supports?

1047

How do you declare javascript?

1009

What is difference between ajax and javascript?

1159

how to write frame work Architecture in QTP

1981

For More Un-Answered { JavaScript } Questions Click Here