What are the three main components of a for loop?

Indeed, these days the tools make sure that they take care of all natty gritty code and let the developer focus on their business logic by providing API's and cloud based repositories which contain all the necessary functions that are common in programming.

here best example is Node JS, while making servers with a language was very tough work to be done in past. But in current time there are 1000's of framework provided by the language that makes the server side coding very easy.