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JavaScript Interview Questions
Questions Answers Views Company eMail

What looping structures are there in JavaScript?

Satyam,

2 13386

How do you create a new object in JavaScript?

Satyam,

3 9742

How do you assign object properties?

Satyam,

3 8385

What is a way to append a value to an array?

Satyam,

5 21760

What is this keyword?

Cognizant, Infosys, Satyam,

9 12812

What is the difference between java and java script?

IWW, Wipro,

9 19999

How to prevent a window not to be clicked or selected any way in java script?

 1503

What are the methods of validating whether the form is secure?

 1 5008

Write sample code for pagination using java script.

3 27480

What is the main difference between Client side JavaScript and and Server side Java Script?

Ramco,

7 18662

How to add a combo box dynamically at run time in Java script?

 5 36140

How to go next field without filling the text? Which function should we use?

 4 11672

Explain about session? Where it runs & what are different types of session handling?

1 7526

We are facing problem with the compatibilty of IE 7 and IE 6.We are calling a showModal window that is working fine in IE6 but with IE7 it opens a new Window and Data is not getting poputaled.In some pages it Gives an error "The webpage you are viewing is trying to Close the window.Do you want to close this window".

SAP Labs, TCS,

4 8702

Give code Email Checking

 3 5916

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Un-Answered Questions { JavaScript }

What is the difference between undefined and not defined in JavaScript?

517

Why is object naming important to use in javascript?

490

What is jscript used for?

470

Explain javascript closures by example.

491

What is the difference between the operators '==' and '==='?

515




List some data types supported by javascript?

519

What is the use of anonymous function in javascript?

459

How to have an element invoke a javascript on selection, instead of going to a new url?

441

Iam getting xml when we click on one button.Iam placing that xml in dom.Im getting that xml data in one xsl.In that xsl I want to increase the variable value which is declared in xsl. Ex: ffftt eeeeiii uuuuwww fff eeee uuuu

1684

How to enabled 'Strict' mode in JavaScript?

569

How Does Function Hoisting Work in JavaScript?

511

Some XYZ company is arranging for online aptitude tests. Draw detailed E-R diagram for the same..

1655

Can we create session in javascript?

462

How can a particular frame be targeted, from a hyperlink, in javascript?

587

What are the main functions performed by javascript statements?

502

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