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

JavaScript Interview Questions

Questions Answers Views Company eMail

How many types of functions JavaScript supports?

985

Can you assign a anonymous function to a variable?

883

How to get the primitive value of a string in Javascript?

981

What is the Infinity property used for in Javascript?

956

How to reload a page using JavaScript?

1087

In how many ways a Javascript code can be involved in an HTML file?

1 1671

What are all the types of Pop up boxes available in JavaScript?

1032

What are anonymous functions in Javascript?

968

How to add html elements dynamically with JavaScript?

905

Difference between Pure functions Vs. Impure functions in javascript?

929

What are the Advantages and Disadvantages of JavaScript?

954

What is Number object in JavaScript?

1005

What does the delete operator do in JavaScript?

1 1498

Difference between private, public and static variable?

1030

How to Object.entries( ) In JavaScript ?

981

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Un-Answered Questions { JavaScript }

What is the microsoft version of javascript?

970

What is the difference between undefined and object?

946

Explain export & import in javascript?

981

What is node ecosystem?

823

What javascript means?

870

How to disable an html object ?

1029

List html dom mouse events?

835

What will happen if an infinite while loop is run in Javascript?

932

How to validate email in javascript?

943

What is memory leak in javascript?

856

What is spread operator react?

847

Explain spread operator in javascript?

889

What are the different types of errors supported by javascript?

1062

What is the difference between client side javascript and server side javascript.

995

How can javascript be used to improve the "look and feel" of a web site? By the same token, how can javascript be used to improve the user interface?

876

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