Index – jQuery

title: jQuery



jQuery is the most widely-used JavaScript library, and is used in more than half of all major websites. It’s motto is “write less, Do more…!”

jQuery makes web development easier to use by providing a number of ‘helper’ functions. These help developers to quickly write DOM (Document Object Model) interactions without needing to manually write as much JavaScript themselves.

jQuery adds a global variable with all of the libraries methods attached. The naming convention is to have this global variable as $. by typing in $. you have all the jQuery methods at your disposal.

Get Started

Before studying jQuery, you should have basic knowledge of these topics:

  1. HTML
  2. CSS
  3. JavaScript

Example Usage

When a user clicks on a button, all <p> elements will be hidden:

$(document).ready(function(){ $("button").click(function(){ $("p").hide(); }); });

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