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

JavaScript Interview Questions

Questions Answers Views Company eMail

How typeof operator works?

986

How Does Function Hoisting Work in JavaScript?

874

Can javascript code be broken in different lines?

969

What is the difference between an Anonymous Function and a named function?

945

What are the basic groups of dataypes in JavaScript?

922

How do you add an element at the beginning of an array?

904

How to detect browser name using JavaScript?

975

What are the decodeURI() and encodeURI()?

990

Are Attributes and Property the same?

973

Can you access Cookie using javascript?

952

Difference between window.onload and onDocumentReady?

907

What is a function callback?

931

How do you add an element at the end of an array?

942

What is variable typing?

953

What is the scope of variables in JavaScript?

979

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Un-Answered Questions { JavaScript }

What is === in javascript?

961

Is javascript necessary?

796

What’s a way to append a value to an array?

961

java pgme for class members hours:minutes:seconds then the constructor expects milliseconds as assignment and initialize data members the members function print hh:mm:ss 90,000 milliseconds passed in constructor then the output is 00:01:30

1876

Explain the difference between “==” and “===”?

977

What is camelcase in programming?

787

How to define a anonymous function?

902

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

1046

What is a closure javascript? Explain

862

What is callback in javascript?

935

What data types are supported in Javascript?

980

Which is better python or javascript?

875

Is there any class in javascript?

960

How to set a html document's background color?

902

How to write a hello world example of javascript?

864

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