JavaScript Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

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 36321

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

Four soft, Vsys,

3 12508

What are the security related issues in JavaScript scripts?

Four soft,

3 12654

Does javascript support multidimensional arrays ?

4 11571

Can you call a Java Applet using a JavaScript function?

HCL, Satyam,

2 11145

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

3 7101

What is the use of the String Tokenizer

1 9090

What is the relationship between JavaScript and ECMAScript?

NIM, Satyam,

4 21453

What are JavaScript types?

Infosys, Satyam,

11 30127

How do you convert numbers between different bases in JavaScript?

College School Exams Tests, Satyam, UIST, Wipro,

4 17116

What does isNaN function do?

Satyam,

2 11697

What is negative infinity?

CoKinetic, Satyam,

2 9652

What boolean operators does JavaScript support?

Aptech, HCL, Satyam,

5 16768

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

Acheron, Satyam,

10 35479

How about 2+5+"8"?

Satyam,

6 10547

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Un-Answered Questions { JavaScript }

What is missing in my code? function numberTally(numList) { var evenTotal = 0; var oddTotal = 0; for (var i = 0; i <= numList.length; i++) { if i % 2 { // i is odd oddTotal += numList[i]; // or oddTotal = oddTotal + numList[i]; } else { // i is even evenTotal + numList[i]; } } alert(oddTotal); return evenTotal; }

3293

Is it possible to do 301 redirects in javascript ?

850

How to show progress bar while loading using ajax call?

989

How to write a function in javascript?

879

Explain how can you submit a form using JavaScript?

861

Expand BOM and explain it?

890

What is slug in javascript?

969

What exactly does javascript do?

998

How to find the selected radio button immediately using the 'this' variable?

902

What is the use of a date object in javascript?

1010

Can we learn javascript without knowing java?

942

How you can modify XAML content from JavaScript in Silverlight?

928

Difference between window, document, and screen in Javascript?

1057

What is difference between local and global scope in javascript ?

973

What is console.log()?

913

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