Frontend Interview Question And Answers

Question I have an array to find the duplicate value and their Index also const arr = [10, 5, 8, 8, 5, 10, 6, 5, 2, 3] Answer…

Difference Between Promise and Async Await in Javascript

Promises A promise is an object which represents the eventual completion either rejection of an asynchronous operation. Promise has methods like .then(), .catch(), and finally () to handle…