jQuery is a fast and concise JavaScript library created by John Resig in 2006. jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for Rapid Web Development.

What is jQuery?

jQuery is a fast and concise JavaScript Library created by John Resig in 2006 with a nice motto − 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 −

  • DOM manipulation − The jQuery made it easy to select DOM elements, traverse them and modifying their content by using cross-browser open source selector engine called Sizzle.
  • Event handling − The jQuery offers an elegant way to capture a wide variety of events, such as a user clicking on a link, without the need to clutter the HTML code itself with event handlers.
  • AJAX Support − The jQuery helps you a lot to develop a responsive and feature-rich site using AJAX technology.
  • Animations − The jQuery comes with plenty of built-in animation effects which you can use in your websites.
  • Lightweight − The jQuery is very lightweight library – about 19KB in size ( Minified and gzipped ).
  • Cross Browser Support − The jQuery has cross-browser support, and works well in IE 6.0+, FF 2.0+, Safari 3.0+, Chrome and Opera 9.0+
  • Latest Technology − The jQuery supports CSS3 selectors and basic XPath syntax.

How to use jQuery?

There are two ways to use jQuery.

  • Local Installation − You can download jQuery library on your local machine and include it in your HTML code.
  • CDN Based Version − You can include jQuery library into your HTML code directly from Content Delivery Network (CDN).

Local Installation

  • Now put downloaded jquery-2.1.3.min.js file in a directory of your website, e.g. /jquery.

jQuery Course Syllabus(Duration – 15 Hours )

  • jQuery Introduction
  • jQuery functions
  • Using selectors with jQuery
  • jQuery event model
  • jQuery animation and advanced effects
  • jQuery AJAX
  • jQuery plugins
  • jQuery Popup/Dialog
  • jQuery Drag and Drop features
  • jQuery Validation
  • jQuery Grid Views
  • jQuery Date -Time – Calender
  • jQuery with JSON and XML
  • jQuery Form-Handling(GET/POST/JSON/AJAX)
  • jQuery Security Guidelines
  • jQuery Captcha
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