JavaScript Interview Questions
Questions Answers Views Company eMail

What is enum with example?

445

What is array constructor in javascript?

495

Which is faster jquery or javascript?

470

Does spread operator deep copy?

533

How many types of variables are there in javascript?

413

Why javascript is fast?

466

Should you use var or let?

503

What is the microsoft version of javascript?

467

What is object freeze?

479

How do I run code in browser console?

491

How many types of data types are there?

442

How do browsers work?

499

What is enum size?

457

What is meant by object oriented programming?

446

What does polyfill mean?

493


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Un-Answered Questions { JavaScript }

How compare function works javascript?

445


What applications use javascript?

454


Which is faster jquery or javascript?

470


When do we use JSON.stringify()?

539


What is a reverse string?

489






What does question mark mean in react?

471


Which built-in method calls a function for each element in the array?

585


What is whitespace in javascript?

455


What are all the looping structures in javascript?

473


What is the instanceof operator in JavaScript?

501


How to create scale in P info

1945


How to create a cookie using javascript?

500


What does _ mean in javascript?

541


Which built-in method combines the text of two strings and returns a new string?

669


name any two javascript functions which are used to convert nonnumeric values into numbers?

457