# jQuery UI toggleClass

## Overview

[edit]

### toggleClass( class, [duration] )

Adds the specified class if it is not present, and removes the specified class if it is present, using an optional transition.

### Dependencies

- Effects Core

### Example

- Demo
- View Source

Adds the 'selected' class if it is not present, and removes the 'selected' class if it is present.

    $("p").click(function () {
          $(this).toggleClass("selected", 1000);
        });

    <!DOCTYPE html>
    <html>
    <head>
      <link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
      <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
      <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script>
      <script src="http://ui.jquery.com/latest/ui/effects.core.js"></script>
    <style type="text/css">
      p { cursor: pointer; font-size: 1.2em; }
      .selected { color:red; }
    </style>
      <script>
      $(document).ready(function() {
        $("p").click(function () {
          $(this).toggleClass("selected", 1000);
        });
      });
      </script>
    </head>
    <body style="font-size:62.5%;">

    <p>Click me to toggle 'selected' class.</p>
    <p class="selected">Click me to toggle 'selected' class.</p>
    <p>Click me to toggle 'selected' class.</p>

    </body>
    </html>

## Arguments

- ### class

  Type:
    String

  A CSS class to toggle on the elements.

- ### duration

  Type:
    String, Number
  Optional

  A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).