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

JavaScript Interview Questions

Questions Answers Views Company eMail

Difference Between JavaScript and ECMAScript?

948

How to prevent modification of an object in Javascript?

1257

How would you compare two objects in JavaScript?

1017

What is differential inheritance?

1008

How to load another html page from javascript?

1001

Javascript, Pass by Value or Pass by Reference?

1019

Difference between window, document, and screen in Javascript?

1158

What is Date object in JavaScript?

1165

Why extending array is bad idea?

1073

What is the difference between .call() and .apply()?

1069

What are the primitive data types in JavaScript?

1080

Entire content of a JavaScript source file in a function block?

1123

How to detect the OS on the client machine in JavaScript?

1150

What is the use of blur function in JavaScript?

1082

How do you submit a form using JavaScript?

975

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Un-Answered Questions { JavaScript }

Explain spread operator in javascript?

1001

List out the different ways an HTML element can be accessed in a Javascript code?

1253

Is javascript client side or server side?

987

Consider the following code: 1 2 3 4 5 (function() { var a = b = 5; })(); console.log(b); what will be printed on the console?

904

What's the difference methods get and post in html forms?

1033

How to write hello world on the web page?

988

What is closure?

1167

Name the types of functions.

975

What is dataview in javascript?

991

How do you know if a set of points is a function?

988

Where do I put javascript in html?

890

How is javascript different from java?

1175

Event bubbling and Event Capturing in JavScript?

1038

What is a closure in javascript?

1070

What is the difference between a web-garden and a web-farm?

1005

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