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

JavaScript Interview Questions

Questions Answers Views Company eMail

What does the following statement declares?

1061

How can a particular frame be targeted, from a hyperlink, in javascript?

1090

Why it is not advised to use innerhtml in javascript?

969

Define event bubbling?

964

How are event handlers utilized in javascript?

1116

What are the different types of errors in javascript?

1003

How are object properties assigned?

963

Write the point of difference between web-garden and a web-farm?

981

What are escape characters?

970

Which keywords are used to handle exceptions?

1009

Explain how to read and write a file using javascript?

1027

Write the code for adding new elements dynamically?

1158

What is the use of blur function?

1018

What is the data type of variables of in javascript?

995

What are the various functional components in javascript?

1010

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Un-Answered Questions { JavaScript }

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

918

What is closure? Give an example.

1080

What is difference between api and library?

1054

What are arrays in javascript?

1000

What is the use of the ‘this’ keyword?

1049

Explain javascript debounce function?

1093

Define escape() function?

947

Is null === undefined?

957

What does the "Access is Denied" IE error mean?

1363

What are the different ways to create an array in javascript?

1038

Explain how can you submit a form using JavaScript?

961

hi i want validations for two drop down lists. when user enter to second list by skipping first list alert box should appear. drop down validation Please choose an item from the drop down menu:

Choose a username:

please any body help me thanks

2141

How do functions work in javascript?

1037

How to create a popup warning box?

1024

What is event in web programming?

966

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