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

JavaScript Interview Questions

Questions Answers Views Company eMail

How and where javascript namespacing is used?

989

What is this? Var myarray = [[[]]];

1074

name any two javascript functions which are used to convert nonnumeric values into numbers?

960

How to access the value of a textbox using javascript?

1063

What is unobtrusive javascript?

985

Does javascript support automatic type conversion, if yes give example.

1110

Does javascript support foreach loop?

1046

What is a closure in javascript?

1070

What is the similarity between the 1st and 2nd statement?

1016

What are the types used in javascript?

1049

How to add behavior to an element using javascript?

1061

What can javascript programs do?

1 2266

How to add buttons in javascript?

919

What is an object in javascript, give an example?

1087

What will be the output of the following statements?

987

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Un-Answered Questions { JavaScript }

What is an undefined value in JavaScript?

1134

Explain how can you submit a form using JavaScript?

962

What are global variables? How are these variable declared and what are the problems associated with using them?

1009

How do I enable cookies safari?

939

If we want to return the character from a specific index which method is used?

1182

What is let keyword in typescript?

1034

How will you explain closures in javascript? When are they used?

1042

What is new keyword in javascript?

914

How to remove the event listener?

984

How to accessing elements using javascript?

1072

What is output of “20” + 20 + 20 and “20” + ( 20 + 20)? In javascript?

1055

How are DOM utilized in JavaScript?

1163

Is there any class in javascript?

1110

What are the javascript data types?

1063

How to add behavior to an element using javascript?

1061

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