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?

890

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

926

What is called variable typing in javascript?

939

Does javascript support automatic type conversion?

1074

What are the two basic groups of dataypes in javascript?

989

Explain window.onload and ondocumentready?

877

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

919

Explain the role of deferred scripts in javascript?

902

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

1060

Is it possible to break javascript code into several lines?

1499

How generic objects can be created?

890

Write about the errors shown in javascript?

858

Define unescape() and escape() functions?

917

Mention what is the disadvantage of using innerhtml in javascript?

961

Explain the for-in loop?

871

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Un-Answered Questions { JavaScript }

How does typeof operator work?

984

Which keyword is used to print the text in the screen?

996

How do I run javascript in chrome?

921

Explain the role of deferred scripts in javascript?

902

What is the difference between write and writeln in javascript?

849

How to create function in JavaScript?

1025

What is Currying in Javascript?

974

What is external javascript?

1024

What is event target in javascript?

901

What is servlet in javascript?

901

What are javascript closures?when would you use them?

898

What does the attribute defer/async do when added to the script tag?

917

Is JavaScript a true OOP language?

1021

What is the difference between undeclared & undefined?

875

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

2064

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