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?

989

What is undefined x 1 in JavaScript?

952

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

941

What Is The Disadvantages Using InnerHTML In JavaScript?

955

What does unshift() function do in Javascript?

1230

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

1039

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

932

What are the Non-primitive data types in JavaScript?

947

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

1172

What is an ECMAScript?

1016

What is an anonymous function in JavaScript?

997

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

1041

What is NaN?

986

How to replace all occurrences of a string in JavaScript?

1060

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

907

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Un-Answered Questions { JavaScript }

Is Exception handling possible in Javascript?

962

Do hackers use javascript?

856

Why is javascript so important?

914

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

1017

Is it possible to do 301 redirects in javascript ?

850

Text from your clipboard?

839

Difference between undefined and undeclared variables?

904

What are the advantages of using JavaScript?

979

Why is javascript not oop?

855

What does === mean in js?

857

What is a function constructor?

859

How many types of functions are there in javascript?

867

Is javascript a highly secure scripting language?

989

What does the following statement declares?

928

How do we add javascript onto a web page?

917

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