- Dynamic typing. That is, the data type will be determined only when a variable or const is assigned its value.
- Flexible work with functions. In JS, you can not only execute functions, but also return functions from functions, pass functions as parameters to other functions, and assign functions as the value of variables.
- Object Oriented Programming. That is, it is a programming methodology in which the entire program is represented as a collection of objects.
Moreover, the entire visual part of this calculator is a combination of HTML + CSS. That is, buttons, charts, sliders are static elements. With the help of JS, everything is animated, and all basic calculations are carried out.
How interesting is JS in general for future programmers from the perspective of perspectives? Should a child start studying it? In fact, this language is constantly evolving and new solutions are being introduced. A large number of libraries suggests that JS is very popular today. And this is understandable.
Today every company wants to be represented on the Internet. Moreover, ready-made website templates are of little interest. Therefore, layout and programming are trusted by programmers. And that’s not all.
In the near future, JS is likely to remain the main language for developing web applications and sites. And one more important point. Recently, the popularity of so-called progressive applications has been growing, which combine the site. And, in fact, the application itself. And all of this is also developed with JS.