JavaScript Interview Questions
Questions Answers Views Company eMail

What is var and let in javascript?

706

Is null === undefined?

677

Will javascript be replaced?

687

How do I enable cookies safari?

677

What is enum data type?

678

Who created npm?

701

Why is var better than let?

734

Why are callbacks used?

659

What is let keyword in typescript?

776

What is the purpose of local variables?

665

What is use of flutter?

693

What is camelcase in programming?

628

Why do we need to declare variables?

707

What is undefined in math?

660

What is js full form?

698


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Un-Answered Questions { JavaScript }

Some XYZ company is arranging for online aptitude tests. Draw detailed E-R diagram for the same..

1876


Program to return the address family of a socket

1057


Difference between private, public and static variable?

803


What is eval() in javascript?

740


How to create an object in javascript?

882


Difference between the substr() and substring() in JavaScript?

761


How to load another html page from javascript?

734


What is Javascript namespacing? How and where is it used?

749


What can be the challenges during testing a program or a system?

1997


How do I open javascript?

708


What is a frontend framework?

685


What are the four basic data structures in javascript?

746


Explain closures in javascript?

681


What are the Advantages and Disadvantages of JavaScript?

747


Can I declare a variable as CONSTANT in JavaScript?

742