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?

1010

What is the role of break and continue statements?

925

How are DOM utilized in JavaScript?

1108

Explain the unshift() method ?

957

How to use external JavaScript file?

1134

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

969

What is the use of window object?

976

What is the use of history object?

1 1634

How to write comment in JavaScript?

1478

How to write html code dynamically using JavaScript?

971

How to write normal text code using JavaScript dynamically?

974

How to create objects in JavaScript?

978

What does the isNaN() function?

962

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

1223

Difference between Client side JavaScript and Server side JavaScript?

1 1695

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Un-Answered Questions { JavaScript }

How are DOM utilized in JavaScript?

1108

What are the decodeURI() and encodeURI()?

1045

What is a function callback?

976

Explain a story about javascript performance problems?

922

What are the main uses of javascript?

1004

What is event in javascript?

954

What is the most popular javascript library?

913

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

1027

What is difference between scripting and programming?

900

What is javascript and its advantages?

1009

How does typeof operator work?

1040

What does e mean in javascript?

999

How to get the last index of a string in javascript?

972

What are the features of javascript?

938

What typeof returns for a null value?

1038

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