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

JavaScript Interview Questions

Questions Answers Views Company eMail

TypeError: document.getelementbyid(...) is null?

953

What are the valid scopes of a variable in JavaScript?

1023

Is JavaScript a case-sensitive language?

970

What is the use of Void(0)?

1066

What is closure?

1096

how to read and write a file using JavaScript?

1186

In Javascript are calculations with fractional numbers guaranteed to be precise?

1072

Which built-in method calls a function for each element in the array?

1052

What are JavaScript Cookies?

921

What Does JavaScript Void(0) Mean?

946

How to set the cursor to wait in JavaScript?

1079

Which built-in method returns the character at the specified index?

1252

What will happen if an infinite while loop is run in Javascript?

1010

How can you convert the string of any base to integer in JavaScript?

1098

How to handle exceptions in JavaScript?

987

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Un-Answered Questions { JavaScript }

Is javascript a dynamic language?

926

What is the === in javascript?

886

What does javascript do?

888

How can you convert the string of any base to integer in JavaScript?

1098

What is the difference between window.onload and ondocumentready?

913

can wwe trace a java program (class)

2353

How do you check if a value is a number in javascript?

963

What creates scope in javascript?

1042

How Can I get facebook fans/likes?

1907

Is javascript client side or server side?

940

Can you use javascript to hack?

886

Define event bubbling?

914

What is array constructor in javascript?

1046

Difference between undefined and undeclared variables?

951

What is unobtrusive javascript?

938

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