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?

880

What is javascript tree shaking?

988

What are arrays in javascript?

958

Can array in javascript be extended?

894

How javascript sort function works?

997

How compare function works javascript?

864

How do you sort in javascript?

1038

Is array an object javascript?

947

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

971

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

952

Is javascript pure object oriented?

876

Why is it called javascript?

946

What is MEAN in javascript

1 1388

What is Minification

1 1462

What is an enum

1 1227

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Un-Answered Questions { JavaScript }

Do you need to declare variables in javascript?

921

How to submit a form using JavaScript by clicking a link?

1061

Explain spread operator in javascript?

961

How to enabled 'Strict' mode in JavaScript?

1162

How to manage exception handling in javascript?

991

How do I add a javascript event handler to an html page element?

889

What is isnan in javascript?

1046

what is the difference between wrappers and primitives es: diff between int i=200 in primitives and integeri = new integer(54)

2337

How many functions are there in javascript?

931

What is var and let in javascript?

938

What are anonymous functions in Javascript?

1023

How to remove duplicate values from a javascript array?

1009

What is push() method in javascript?

954

How to write comment in JavaScript?

1488

Explain javascript event delegation model?

980

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