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

JavaScript Interview Questions

Questions Answers Views Company eMail

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

1128

Define unescape() function?

941

Explain the working of timers in javascript?

985

Which built-in method reverses the order of the elements of an array?

901

Define escape() function?

879

What are the variable naming conventions in javascript?

933

How to print a web page using javascript?

917

Which built-in method removes the last element from an array and returns that element?

869

Which built-in method returns the length of the string?

918

How to create a cookie using javascript?

1019

Which type of variable among global and local, takes precedence over other if names are same?

928

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

1290

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

924

Give an example of closure?

899

What is purpose of onerror event handler in javascript?

884

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Un-Answered Questions { JavaScript }

Explain “use strict” ?

881

What javascript means?

878

How to embed javascript in a web page?

882

What is meant by object oriented programming?

840

What is nodetype in javascript?

930

How do I view javascript files in chrome?

882

Is javascript hard to learn?

847

What is the difference between == and ===? Which one would you use?

1021

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1463

How to create a cookie using javascript?

1019

How do you know if a set of points is a function?

890

What is a boolean search?

824

How to add html elements dynamically with JavaScript?

924

What is the === in javascript?

850

How do you check if a value is a number in javascript?

914

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