Who is a JavaScript developer, what does

Many still believe that the entire JS developer's toolkit is limited to . But we must understand that the emergence of new and improved software platforms has long pushed this time aside. Now for everyone who knows JS, there are three ways to develop.

"Frontenders" deal only with the external side of the site or application. give dynamism to the product using various animations and transitions, as well as pop-ups. They are subject to the basic functionality, which, as you might guess, does not require serious knowledge in other markup and programming languages. - these are not three, but two pillars on which frontend development stands. Their development will not take much time and effort.

Having created the appearance of the page with HTML and CSS, you will have to resort to libraries to manage the DOM (programming interface). And here you are faced with a choice - jQuery or . The first library is much more popular and lighter, but with React you can do more detailed work. According to the experience of specialists, in all cases it is better if you have both in your arsenal.

In the course of this development, the internal functionality of the site or application is already created: the system's response to user actions, form processing, and so on. At the initial stage, you will not need any advanced training, but gradually the need for knowledge of other languages ​​\u200b\u200b(, , Ruby) will grow.

Of course, it is almost impossible to imagine without owning the . Generally speaking, it was its appearance that allowed JS developers to stop being just "front-enders", and in fact 10 years ago this simply could not be imagined.

Using Node.js is just about being able to export and import files, break code into modules, and so on - it's just an environment where you execute JS code, no need to learn new syntax.

By mastering frontend and backend development, you become a truly versatile Javascript developer whose work is highly valued in the market.

The profession of a fullstack programmer is suitable for you if you have at least an intermediate level in mastering HTML and CSS, and at least a basic understanding of other languages ​​\u200b\u200bwill not hurt.

As we mentioned above, each type of development requires special knowledge of some programming languages ​​or knowledge of software platforms (frameworks). Here we will try to systematize the necessary knowledge / skills already known to you and supplement them:

The last two points, by the way, distinguish junior developers ("juniors") from senior ones ("seniors"). The former almost always, due to their inexperience, make such a mistake as trying to write large and abstract code.

This begs the question: why are they doing this? The answer is simple: they want to show their professionalism, in addition, they limit themselves to setting themselves the task of making the code work, and do not think about writing it for people. After reading the program of the "Senior", you will think: "Is that all?" - but it will work great.

Senior Javascript programmers know how to ask the right question and, more importantly, are able to put the answer into practice, while junior and middle ("middle") most often need the help of more experienced employees. At the same time, the point is not at all in knowledge, but in the approach.

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