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

JavaScript Interview Questions

Questions Answers Views Company eMail

What are self Executing Functions?

1165

Is Javascript a Functional Programming Language?

1126

Difference between the substr() and substring() in JavaScript?

1049

Which keyword is used to print the text in the screen?

1035

What is Browser Object Model?

963

Basic methods for opening a popup window using javascript?

971

what data type javascript supports?

984

How will you create new object in javascript?

1052

How to create a confirmation box?

932

How to toggle display an html element?

1058

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

1025

How do you check if a variable is an object

1189

When would you use var in your declaration and when you wouldn’t?

919

What is variable typing in javascript?

1053

What’s relationship between javascript and ecmascript?

1060

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Un-Answered Questions { JavaScript }

How you can modify XAML content from JavaScript in Silverlight?

964

What does trim stand for?

972

What is innertext javascript?

958

What is a function in javascript and how does it work?

957

What are escape characters in javascript?

934

How to define a named function in JavScript?

984

In Java coding we will write a public static void main()? Why won't we write as a static public void main()

2591

What are the predefined functions in javascript?

1010

Explain “use strict” ?

924

Text from your clipboard?

867

What is event bubbling in the dom?

1063

What is Javascript namespacing? How and where is it used?

1022

What is the use of let & const in javascript?

944

What is event target in javascript?

939

What is node ecosystem?

871

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