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

JavaScript Interview Questions

Questions Answers Views Company eMail

What data types are supported in Javascript?

1066

What is undefined x 1 in JavaScript?

992

How do you access an element in an HTML document with JavaScript?

1005

What Is The Disadvantages Using InnerHTML In JavaScript?

1004

What does unshift() function do in Javascript?

1316

How to test a string as a literal and as an object ?

1095

How do you check if an object is an array or not?

981

What are the Non-primitive data types in JavaScript?

1003

List out the different ways an HTML element can be accessed in a Javascript code?

1219

What is an ECMAScript?

1112

What is an anonymous function in JavaScript?

1072

What is "strict mode" and how is it used in JavaScript?

1133

What is NaN?

1040

How to replace all occurrences of a string in JavaScript?

1156

How to get height and width of different browser in Javascript?

956

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Un-Answered Questions { JavaScript }

What is scope javascript?

980

all possible test cases for normal number field,name field date field,check box,

1444

What is a nan value?

947

How to prevent modification of an object in Javascript?

1173

What is the use of the ‘this’ keyword?

1008

List few advantages of using javascript?

861

How do I add javascript to chrome?

928

What are the types used in javascript?

1005

Who introduced javascript?

936

How can javascript codes be hidden from old browsers that don't support javascript?

964

Why jquery is used instead of javascript?

878

Name some of the ways in which Type Conversion is possible?

955

Explain export & import in javascript?

1028

Javascript, Pass by Value or Pass by Reference?

980

Is it possible to use javascript to change the meta-tags of the page?

914

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