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?

1082

What is escape & unescape String functions in JavaScript?

993

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

1059

What is the difference between JavaScript and jscript?

1 1160

What are the advantages of using JavaScript?

979

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

1076

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

948

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

1032

what is pop()method in JavaScript?

961

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

986

Is there automatic type conversion in JavaScript?

917

How to create array in JavaScript?

1075

What is arguments object in JavaScript?

1051

Whether JavaScript has concept level scope?

983

What is the instanceof operator in JavaScript?

923

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Un-Answered Questions { JavaScript }

How many types of variables are there in javascript?

880

List some features of javascript.

1571

Can I open javascript on iphone?

899

How to disable an html object ?

1045

What is the difference between the keywords var and let?

954

How to associate functions with objects using javascript?

981

What is "this"?

884

How do you add an element at the beginning of an array?

915

What is a global variable in programming?

922

Define event bubbling?

865

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

988

How to use external JavaScript file?

1055

What is enum data type?

887

What are the new ways to define a variable in Javascript?

987

Which javascript framework is in demand?

938

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