Despite our warnings about the horrors of pregnancy, childbirth, and babies, some of you are still destined to become parents, if you haven't done it already. Congratulations! Now prepare to be terrified, because you have no idea what you're about to face. And we're not even talking about that first diaper change.
jQuery has two usage styles: 1  Via the $ function, which is a factory method for the jQuery object. These functions, often called commands, are chainable as they all return jQuery objects. 2  Via $.-prefixed functions. These are utility functions, which do not act upon the jQuery object directly.
What is jQuery? jQuery is not a language, but it is a well written JavaScript code. As quoted on official jQuery website, it is a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.. In order to work with jQuery, you should be aware of the basics of JavaScript, HTML and CSS.