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?

1006

What Is The Disadvantages Using InnerHTML In JavaScript?

1004

What does unshift() function do in Javascript?

1317

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

1096

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?

1220

What is an ECMAScript?

1113

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 }

Define a named function in javascript.

931

What are the data types in js?

970

What is callback in javascript?

995

Is javascript the future?

955

What are the different types of errors available in javascript?

997

Which built-in method returns the calling string value converted to lower case?

1171

Which built-in method adds one or more elements to the end of an array and returns the new length of the array?

1334

What is the similarity between the 1st and 2nd statement?

964

Why is javascript called richer interface?

993

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

925

Can you explain about screen object?

966

What are the string methods?

946

What do I need to code javascript?

984

What makes something a function?

951

How to add a new property in existing function javascript?

970

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