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

JavaScript Interview Questions

Questions Answers Views Company eMail

What are the advantages of javascript?

838

What are the distinct types of error name values?

935

What is the use of ‘debugger’ keyword in javascript code?

843

What is the syntax of ‘self invoking function’? Give an example?

890

What is the difference between test () and exec () methods?

1073

What are the advantages of using external javascript?

903

Can you give an example showing javascript hoisting?

797

What are self invoking functions?

902

What is a closure and how do you use it?

937

What is javascript ‘strict mode’?

901

What is the difference between ‘var’ and ‘let’ keyword?

869

What are the characteristics of javascript ‘strict mode’?

950

What are the difference between javascript and jquery?

1044

What are the data types available in javascript? Explain

907

How to count the number of element in an array using javascript?

1057

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Un-Answered Questions { JavaScript }

Event bubbling and Event Capturing in JavScript?

962

What do you understand by this keyword in javascript?

830

What does dynamic component in javascript contain?

961

How to achieve inheritance in javascript?

936

Can you run javascript in notepad?

858

How do I view javascript in chrome?

845

What do you mean by enumeration?

924

What is design pattern in javascript? Explain

949

Basic methods for opening a popup window using javascript?

929

What is namespacing in javascript and how is it used?

894

How can you do a character count in javascript?

892

What are two-way data binding and one-way data flow, and how are they different?

1020

How do you check if a variable is an object

1115

How to disable an html object ?

1047

Is javascript hard to learn?

849

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