There are strong reasons why Node.js is so popular nowadays. Async programming model, cross-platform with a large community and open-source modules. It’s possible to write server-side on JavaScript, and it is fast and efficient. Node.js is designed to handle multiple ...

In JavaScript, arrays are a useful way to store and manipulate data. The map() method is a built-in function that allows you to iterate over each element in an array and apply a function to it. The map() method creates ...