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

JavaScript Interview Questions

Questions Answers Views Company eMail

Write the code to maximize an image using javaScript?

Infosys,

2 8204

write a program to generte a harmonic series 1+1/2+1/3+1/4+1/5 upto 15 terms.

1 8656

how to write frame work Architecture in QTP

1917

how can we retrieve value from one database server and store them another database server using sql server code

HP,

2105

why we calld java object orinted programming language??

TCS,

1905

How can we send mail using Javascript?

1 4385

can wwe trace a java program (class)

CMC,

2343

What is the main difference between Map collections and other collections such as Set.

3036

what is onfocus and onblur events in java script?

2 6343

whether javascript runs on client side or server-side?

2 4992

how many feet does a centipeed have?

2016

what is interface ?

5 6427

How do you implement Ajax using hide() function in JQuery?

QuinStreet,

2 5522

How do you implement Ajax using hide() function in JQuery?

QuinStreet,

2263

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

QuinStreet,

2102

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Un-Answered Questions { JavaScript }

What can be the challenges during testing a program or a system?

2225

What is lambda in programming?

955

What are the difference between undefined and not defined in javascript?

998

Explain closures in javascript?

898

Explain few difference between null, undefined or undeclared javascript variable?

910

Why extending array is bad idea?

1022

Why is javascript so popular?

933

What does break and continue statements do in javascript?

931

What are the four types of javascript objects?

938

What is NaN in Javascript?

1014

what difference between args.length and args.length() in command line argument?

2291

What are the data types available in javascript? Explain

937

How do I activate javascript on my phone?

986

Where javascript variables are stored?

1069

List some unit testing frameworks javascript

923

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