The map() method in JavaScript - how does it work? Examples

The article about the map method in JavaScript highlights its importance and uses in programming. The map method is one of the key functions that allows developers to process arrays in a functional way. It enables programmers to easily create new arrays based on existing ones, which significantly simplifies the code and improves readability. The author emphasizes that this method does not modify the original array, which is an important aspect when trying to avoid unintended side effects. Included examples help illustrate how the map method works and how it can be applied in practical situations. In conclusion, the article encourages experimenting with the map method to gain a better understanding of how it can simplify calculations and data processing in JavaScript.