The first jQuery Code:
alert("Button is clicked" );
You can see that the jQuery code is separate from the HTML syntax.
Developer Community Response
jQuery became an instant hit right from the time it was released. Website like Digg and Delicious covered it on their first page.
Today hundreds of contributors and thousands of developers work for the development of this library.
More information on the jQuery Team Members is available - https://jquery.org/team/.
To learn jQuery, for using in your website, is very simple. You can take help of various tutorial websites that teaches jQuery - http://www.yogihosting.com/category/jquery/.
It hardly takes 1 week to learn jQuery.