what is jquery

jQuery is a fast and concise JavaScript library created by John Resig in 2006; jQuery simplifies HTML document traversal, event handling, animation and Ajax interaction for rapid web development.

The operating environment of this article: Windows 7 system, Dell G3 computer, jquery version 3.2.1.

jQuery is a fast and concise JavaScript library created by John Resig in 2006 with a great motto: Write less, do more. jQuery simplifies HTML document traversal, event handling, animation, and Ajax interaction for rapid web development.

jQuery is a JavaScript toolkit designed to simplify a variety of tasks by writing less code.

The following is a list of important core features supported by jQuery

DOM manipulation - By using a cross-browser open source selector engine called Sizzle, jQuery can easily select DOM elements, negotiate them and modify them content.

Event Handling - jQuery provides an elegant way to capture various events, such as a user clicking a link, without obscuring the HTML code itself with event handlers.

AJAX Support - jQuery helps you develop responsive and feature-rich sites using AJAX technology.

Animation - jQuery comes with a large number of built-in animation effects that you can use in your website.

Lightweight - jQuery is a very lightweight library - about 19KB in size (Minified and gzipped).

Cross-browser support - jQuery has cross-browser support and works with IE 6.0, FF 2.0, Safari 3.0, Chrome and Opera 9.0

Latest Technology - jQuery supports CSS3 selectors and basic XPath grammar.

[Recommended learning: jquery video tutorial]

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