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JavaScript Interview Questions
Questions Answers Views Company eMail

why you used Java Script? Can it use for both client side and server side validation purpose?

BeBo Technologies, HCL, Wipro,

12 31384

How do you send a message to the browser in JavaScript?

Four soft, Vsys,

3 11439

What are the security related issues in JavaScript scripts?

Four soft,

3 11623

Does javascript support multidimensional arrays ?

 4 10554

Can you call a Java Applet using a JavaScript function?

HCL, Satyam,

2 10208

Can any one tell me how Java is purely an Oops language

 3 6310

What is the use of the String Tokenizer

 1 8424

What is the relationship between JavaScript and ECMAScript?

NIM, Satyam,

4 20278

What are JavaScript types?

Infosys, Satyam,

11 27370

How do you convert numbers between different bases in JavaScript?

College School Exams Tests, Satyam, UIST, Wipro,

4 15788

What does isNaN function do?

Satyam,

2 10944

What is negative infinity?

CoKinetic, Satyam,

2 8638

What boolean operators does JavaScript support?

Aptech, HCL, Satyam,

5 15587

What does "1"+2+4 evaluate to?

Acheron, Satyam,

10 33753

How about 2+5+"8"?

Satyam,

6 9362

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Un-Answered Questions { JavaScript }

Why is object naming important to use in javascript?

622

What are the characteristics of javascript ‘strict mode’?

598

What is event target in javascript?

590

What are the various functional components in javascript?

644

How long does it take to learn coding?

703




What is null javascript?

586

Is python better than javascript?

563

What is undefined x 1 in JavaScript?

636

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

573

why we calld java object orinted programming language??

1639

What is createtextnode?

600

What is event bubbling in the dom?

699

In Javascript are calculations with fractional numbers guaranteed to be precise?

661

Explain the difference between java and javascript.

660

Is null === undefined?

610

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