What is jQuery?

jQuery is a lightweight, “write less, do more”, JavaScript library.

The purpose of jQuery is to make it much easier to use JavaScript on your website.

jQuery takes a lot of common tasks that require many lines of JavaScript code to accomplish, and wraps them into methods that you can call with a single line of code.

jQuery also simplifies a lot of the complicated things from JavaScript, like AJAX calls and DOM manipulation.

The jQuery library contains the following features:

  • HTML/DOM manipulation
  • CSS manipulation
  • HTML event methods
  • Effects and animations
  • AJAX
  • Utilities

Tip: In addition, jQuery has plugins for almost any task out there.

Continue Reading: jQuery Tutorial

jQuery Selectors

jQuery selectors allow you to select and manipulate HTML element(s).

⇨ jQuery Selectors w3school

jQuery Selectors OpenClassRooms

jQuery Events

All the different visitors’ actions that a web page can respond to are called events.

⇨ jQuery Events list

jQuery Effects

The following table lists all the jQuery methods for creating animation effects.

⇨ jQuery Effects Methods

jQuery HTML / CSS

The following table lists all the methods used to manipulate the HTML and CSS.

jQuery HTML/CSS Methods

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