JS is severely maintained by developers all over the world. It has a great open-source repository, which can be used by anyone. Newcomers in the sphere of programming receive support from the seniors and experts continue contributing their codes to the open-source.
We are done with Why-ideas, now we come further to the What for list.
JS for the front-end.
show and hide information with a click
change the color of the button, when the mouse is on it
create carousels and sliders
play audio and video on a page
JS for the back-end.
Here we deal with something invisible, also known as server-side. JS can be used together with tools like Node.js, for instance, to save data to a database, to process payments, to save posts, and so on.
JS for mobile development.
JS for games.
What can give a head start?
The library is regularly updated, the support is always responsive. Besides, they offer outsourcing services, which can be helpful if your team does not include relevant specialists.