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JavaScript Interview Questions
Questions Answers Views Company eMail

What is the result of below given line of code in java script? 5+4+'7'?

 503

How to set the focus in an element using javascript?

 486

What does "1"+2+3 evaluate to?

 555

Name the datatypes of javascript?

 537

Difference between undefined and undeclared variables?

 498

What is the difference of "settimeout" function and setinterval functions in javascript

 568

What are undefined and undeclared variables?

 482

How to determine the state of a checkbox using javascript?

 603

How to get checkbox status whether it is checked or not?

 518

How to get value from radiobuttonlist control?

 487

What are javascript closures?when would you use them?

 526

Explain hoisting in javascript?

 639

Can you explain how inheritance works in javascript?

 521

How about 3+5+"8"?

 556

To set all checkboxes to true using javascript?

 546

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Un-Answered Questions { JavaScript }

What are the distinct types of error name values?

517

How to convert json object to string?

556

what is a difference of subclass and main class

1182

What is the difference between childNode and children?

524

Is javascript frontend or backend?

439




What is a callback url?

508

Which javascript is best?

495

What is a closure javascript?

504

How do you clear an array in javascript?

434

What is the === in javascript?

448

What is unobtrusive javascript? How to add behavior to an element using javascript?

502

You have an asp. Net web application running on a web-farm that does not use sticky sessions - so the requests for a session are not guaranteed to be served the same machine. Occasionally, the users get error message validation of view state mac failed. What could be one reason that is causing this error?

525

Describe javascript and vbscript.

506

How to setting a cookie with the contents of a textbox?

509

How to count the number of element in an array using javascript?

534

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