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

JavaScript Interview Questions

Questions Answers Views Company eMail

What is lazy loading java?

838

What is javascript tree shaking?

944

What are arrays in javascript?

905

Can array in javascript be extended?

843

How javascript sort function works?

944

How compare function works javascript?

811

How do you sort in javascript?

1004

Is array an object javascript?

886

What is a function in javascript and how does it work?

886

What is prototype in javascript and how do you use it?

879

Is javascript pure object oriented?

818

Why is it called javascript?

889

What is MEAN in javascript

1 1317

What is Minification

1 1395

What is an enum

1 1155

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Un-Answered Questions { JavaScript }

Is JavaScript a true OOP language?

1020

What are the different types of errors available in javascript?

943

What is servlet in javascript?

901

What are classes in javascript?

915

just for testing

2093

Where javascript variables are stored?

996

How to delete an array entry using javascript?

862

How to reload the current page?

990

How to validate a form in javascript?

899

What is differential inheritance?

913

What is the difference between let and var?

973

What is the difference between sessionstate and viewstate?

891

What output will this program produce System.out.println(x+"+"+y+"="+(x+));

1983

What is the most widely used programming language?

857

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

876

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