What is jQuery?

jQuery is a system that works withJavaScript-scripts. More precisely, this system is defined as a library that specializes in the interaction of JavaScript and HTML. That's what jQuery is. The system is used to work with HTML-documents. This library is actively used by programmers in various circles, both professional and amateur. Creator of the library believe John Rezinga who seriously carried away by the JavaScript programming language, decided to create a library that could make life easier for many developers. It was thanks to Resing that the current programmers realized how elegant the JavaScript language is.