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?

829

What is javascript tree shaking?

933

What are arrays in javascript?

897

Can array in javascript be extended?

835

How javascript sort function works?

934

How compare function works javascript?

799

How do you sort in javascript?

995

Is array an object javascript?

879

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

873

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

870

Is javascript pure object oriented?

810

Why is it called javascript?

881

What is MEAN in javascript

1 1295

What is Minification

1 1381

What is an enum

1 1135

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Un-Answered Questions { JavaScript }

What is purpose of onerror event handler in javascript?

876

How dhtml is used in javascript?

902

Why is javascript called richer interface?

942

What is escape() function?

890

What is the prototype object in javascript and how it is used?

922

How to make a array as a stack using javascript?

948

How do you implement Ajax using hide() function in JQuery?

2204

TypeError: document.getelementbyid(...) is null?

896

How to find the selected radio button immediately using the 'this' variable?

893

Can an anonymous function be assigned to a variable?

865

Are there any iphone Institutes which also train iphone automation testing in Hyderabad?

1950

Describe negative infinity in javascript?

937

What is the difference between null and undefined?

1827

How much do javascript programmers make?

849

How long does it take to learn coding?

970

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