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

JavaScript Interview Questions

Questions Answers Views Company eMail

What are the requirements of web application using javascript?

1031

Explain with an example the use of event handlers in javascript.

1030

Describe javascript and vbscript.

1043

Explain typecasting in javascript?

905

How to add/remove properties to object dynamically in javascript?

948

Explain closures in javascript?

908

Explain event bubbling and event capturing in javascript?

931

Explain javascript event delegation model?

980

What is difference between var x =1; and x=1;?

1103

List few advantages of using javascript?

861

How to get the last index of a string in javascript?

977

What is console.time() and console.timeend()? What is its syntax, and why is it used?

998

How to call a function in every x seconds in javascript?

930

What are different types of popup boxes available in javascript?

967

How to convert javascript date to iso standard?

1060

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Un-Answered Questions { JavaScript }

How do I open javascript console?

965

What is a name function in javascript & how to define it?

940

What is lambda in programming?

966

What’s a way to append a value to an array?

1033

Can webassembly replace javascript?

939

Which javascript framework is in demand?

1007

To put a "close window" link on a page ?

949

Where can I learn javascript?

960

What is object in javascript?

1116

What is spread operator react?

896

What is the potential disadvantage of using a sticky session?

940

Does javascript have the concept level scope?

1002

What is client side programming?

928

What is node ecosystem?

878

What is a fixed-width table and its advantages?

929

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