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 main functions performed by javascript statements?

994

What value does prompt() return if the user clicked the cancel button?

835

Can you explain about screen object?

919

How can I prevent others from reading/stealing my scripts or images?

866

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

860

Explain the difference between javascript and an asp script.

1046

What is push() method in javascript?

917

Why javascript is called as script for all browsers?

938

What is encodeuri() function?

1013

What is difference between undefined variable and undeclared variable?

896

What is the difference between scripting and programming?

905

What is the difference between script type and the script language attributes?

917

What is the difference between client side javascript and server side javascript.

1016

How do I write script-generated content to another window?

910

What is unescape() function?

1063

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Un-Answered Questions { JavaScript }

Difference between Client side JavaScript and Server side JavaScript?

1637

How to remove duplicates from javascript array?

961

What is primitive data type in javascript?

872

Explain closures in javascript?

858

How do I unblock javascript in chrome?

959

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

2299

What is the purpose of local variables?

914

Why do you need javascript?

873

Difference between undefined and undeclared variables?

910

all possible test cases for normal number field,name field date field,check box,

1399

Why do we need hoisting in javascript?

841

Explain the process of document loading.

945

What is the use of a weakmap object in javascript?

910

What is trim whitespace google sheets?

889

What are the difference between undefined and not defined in javascript?

961

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