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guide/english/jquery/index.md

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+---
+title: jQuery
+---
+
+## jQuery
+
+![logo](https://upload.wikimedia.org/wikipedia/en/thumb/9/9e/JQuery_logo.svg/250px-JQuery_logo.svg.png "jQuery logo")
+
+jQuery is the most widely-used JavaScript library, and is used in more than half of all major websites. 
+
+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 <code>$</code>. by typing in <code>$.</code> you have all the jQuery methods at your disposal.
+
+## Example
+
+When a user clicks on a button, all <p> elements will be hidden:
+
+```javascript
+$(document).ready(function(){
+    $("button").click(function(){
+        $("p").hide();
+    });
+});
+```
+
+#### More Information
+* [jQuery Home Page](https://jquery.com/)