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.
jQuery is a fast and concise JavaScript Library created by John Resig in 2006 with a nice motto â Write less, do more. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. jQuery is a JavaScript toolkit designed to simplify various tasks by writing less code. Here is the list of important core features supported by jQuery â.