Top 100 JavaScript Interview Questions and Answers in 2023: Thread [Part 3]:

Here's part 1 of this JS Interview Questions threads series: twitter.com/codedamncom/st…

Here's part 2 of this JS Interview Questions threads series: twitter.com/codedamncom/st…

Part 3 starts here:

Q21. What is NaN in JavaScript? NaN is an abbreviation for “Not a Number.” It represents a value that is not a valid number in JavaScript.

Q22. What is debouncing in JavaScript? The debouncing technique prevents a function from being called again until a particular time has passed since the last call. Its primary application is in Web application search functionality. The API is called only once per user input.