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

JavaScript Interview Questions

Questions Answers Views Company eMail

How to create an object in javascript?

1215

What are global variables? How are these variable declared and what are the problems associated with using them?

966

What would be the result of 3+2+”7″?

1468

What are undeclared and undefined variables?

1010

Which company developed JavaScript?

1038

What is the use of isNaN function?

951

Explain the working of timers in JavaScript? Also elucidate the drawbacks of using the timer, if any?

998

Explain how can you submit a form using JavaScript?

918

Between JavaScript and an ASP script, which is faster?

1170

Where are cookies actually stored on the hard disk?

944

How do you organize your JavaScript code?

Arigo Infotech,

1087

How you can modify XAML content from JavaScript in Silverlight?

973

What are global variables in javascript?

UGC Corporation,

1032

What is use of JavaScript and jquery?

MindCracker,

1097

What's relationship between JavaScript and ECMAScript? And What are JavaScript types?

MCN Solutions,

1061

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Un-Answered Questions { JavaScript }

Why are callbacks used?

883

Between JavaScript and an ASP script, which is faster?

1170

Is array a data type in javascript?

920

What is whitespace in javascript?

1004

What is context in javascript?

1016

What is a null variable?

937

Can I learn javascript without knowing java?

906

What is the use of Push method in JavaScript?

1007

What is the difference between a web-garden and a web-farm?

962

Difference between '=', '==' and '===' operators?

980

How to convert javascript date to iso standard?

1060

Explain the working of timers in javascript?

1058

What is push() method in javascript?

954

Explain unescape() in javascript?

935

Which built-in method returns the calling string value converted to upper case?

960

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