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

JavaScript Interview Questions

Questions Answers Views Company eMail

What is the difference between let and var?

1020

What are different types of scope chain available in javascript?

877

What is difference between local and global scope in javascript ?

1026

What is output of undefined * 2 in javascript?

935

Explain function hoisting in javascript?

903

What is difference between array.splice() and array.slice() method in javascript?

1014

List some design patterns in javascript?

878

How host objects are different from native objects in javascript?

1009

How to redirect a page to another page in javascript?

998

What is the difference between ‘let’ and ‘const’?

1052

If you need to hide the javascript code from the older browser versions, how will you perform it?

978

Have you used any browser for debugging? If yes, how is it done?

895

What is the difference between ‘function declaration’ and ‘function expression’?

1066

What are ‘settimeout()’?

1112

What is javascript hoisting?

950

Post New JavaScript Questions

Un-Answered Questions { JavaScript }

Is python better than javascript?

871

How to remove duplicate values from a javascript array?

1009

What is asynchronous javascript?

931

How to create scale in P info

2440

What are the scopes of a variable in javascript?

1154

How to comment javascript code?

979

What are the distinct types of error name values?

977

What is an Event Bubbling in Javascript?

1029

Is javascript case sensitive language?

1023

Is javascript free to use?

947

What is strict mode?

1187

Why is javascript so popular?

949

What are disadvantages of using javascript?

1134

Why do we need to declare variables?

931

Can we create session in javascript?

924

For More Un-Answered { JavaScript } Questions Click Here