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

JavaScript Interview Questions

Questions Answers Views Company eMail

What is namespacing in javascript and how is it used?

953

What is the method for reading and writing a file in javascript?

960

What is called variable typing in javascript?

975

Does javascript support automatic type conversion?

1103

What are the two basic groups of dataypes in javascript?

1052

Explain window.onload and ondocumentready?

910

How to find operating system in the client machine using javascript?

962

Explain the role of deferred scripts in javascript?

946

How can a page be forced to load another page in javascript?

1095

Is it possible to break javascript code into several lines?

1543

How generic objects can be created?

928

Write about the errors shown in javascript?

890

Define unescape() and escape() functions?

959

Mention what is the disadvantage of using innerhtml in javascript?

1000

Explain the for-in loop?

910

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Un-Answered Questions { JavaScript }

Does javascript support automatic type conversion?

1103

Explain escape() in javascript?

899

What is the difference between == and ===? Which one would you use?

1072

What is a method in javascript?

992

How would you compare two objects in JavaScript?

956

How is javascript different from java?

1109

Which companies are using node js?

882

What is an example of javascript?

989

Is javascript a security risk?

976

How do you submit a form using JavaScript?

930

Can I learn javascript without knowing java?

891

List some of the disadvantages of javascript.

1066

How do you sort in javascript?

1030

What is the use of 'bind' method in JavaScript?

1030

What is a class in javascript?

940

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