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

JavaScript Interview Questions

Questions Answers Views Company eMail

What boolean operators can be used in JavaScript?

1065

What is the role of break and continue statements?

978

How are DOM utilized in JavaScript?

1163

Explain the unshift() method ?

1005

How to use external JavaScript file?

1231

What is DOM? What is the use of document object?

1027

What is the use of window object?

1036

What is the use of history object?

1 1720

How to write comment in JavaScript?

1540

How to write html code dynamically using JavaScript?

1031

How to write normal text code using JavaScript dynamically?

1037

How to create objects in JavaScript?

1022

What does the isNaN() function?

1033

What is the output of 10+20+”30″ in JavaScript?

1282

Difference between Client side JavaScript and Server side JavaScript?

1 1788

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Un-Answered Questions { JavaScript }

Basic methods for opening a popup window using javascript?

1040

What is the difference between undefined value and null value?

1069

What is nodetype in javascript?

1056

What are the pop-up boxes available in javascript?

998

What is dhtml in javascript?

967

What is the use of a date object in javascript?

1100

Which built-in method returns the index within the calling string object of the first occurrence of the specified value?

1107

What is event bubbling and capturing in javascript?

1012

What are undefined and undeclared variables?

1009

What is the use of a number object in javascript?

1027

What do you mean by script?

920

What are the data types supported by javascript?

1034

Can you assign an anonymous function to a variable and pass it as an argument to another function?

919

List some features of javascript.

1686

What is difference between var x =1; and x=1;?

1146

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