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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 26626

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

Four soft, Vsys,

3 10145

What are the security related issues in JavaScript scripts?

Four soft,

3 10435

Does javascript support multidimensional arrays ?

4 9049

Can you call a Java Applet using a JavaScript function?

HCL, Satyam,

2 9043

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

3 5339

What is the use of the String Tokenizer

1 7808

What is the relationship between JavaScript and ECMAScript?

NIM, Satyam,

4 18718

What are JavaScript types?

Infosys, Satyam,

11 22935

How do you convert numbers between different bases in JavaScript?

College School Exams Tests, Satyam, UIST, Wipro,

4 14065

What does isNaN function do?

Satyam,

2 9889

What is negative infinity?

CoKinetic, Satyam,

2 7483

What boolean operators does JavaScript support?

Aptech, HCL, Satyam,

5 13615

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

Acheron, Satyam,

10 29695

How about 2+5+"8"?

Satyam,

6 7482


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Un-Answered Questions { JavaScript }

Difference json arrary vs json object ?

337


Is javascript safe to download?

286


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

275


What is use of settimeout function in javascript?

307


java pgme for class members hours:minutes:seconds then the constructor expects milliseconds as assignment and initialize data members the members function print hh:mm:ss 90,000 milliseconds passed in constructor then the output is 00:01:30

1309






What is use of flutter?

279


How long does it take to learn coding?

389


Why do we need hoisting in javascript?

286


Explain javascript event delegation model?

332


What is difference between ajax and javascript?

260


List the comparison operators supported by javascript?

322


How do I view javascript in chrome?

296


Why global variables are bad javascript?

285


What exactly does javascript do?

329


What are the properties of stack?

290