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?

951

What is the role of break and continue statements?

888

How are DOM utilized in JavaScript?

1071

Explain the unshift() method ?

899

How to use external JavaScript file?

1062

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

935

What is the use of window object?

942

What is the use of history object?

1 1590

How to write comment in JavaScript?

1425

How to write html code dynamically using JavaScript?

931

How to write normal text code using JavaScript dynamically?

924

How to create objects in JavaScript?

948

What does the isNaN() function?

911

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

1183

Difference between Client side JavaScript and Server side JavaScript?

1 1637

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Un-Answered Questions { JavaScript }

Difference between '=', '==' and '===' operators?

935

What is javascript in simple terms?

912

In a pop-up browser window, how do you refer to the main browser window that opened it?

854

What is a callback url?

873

How do I open javascript console?

931

How do I disable javascript in my browser?

1001

What is the difference between arrow function and normal function?

983

Methods get and post in html forms - what's the difference?

1036

What is array constructor in javascript?

987

What is the use of blur function in JavaScript?

997

How do you submit a form using JavaScript?

886

Is it possible to do 301 redirects in javascript ?

858

Are you concerned that older browsers don't support javascript and thus exclude a set of web users? Individual users?

976

How to add html elements dynamically with JavaScript?

925

How can javascript language be separated from objects?

912

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