Scripts n Styles

It adds a special widget box under the post text WYSIWYG editor in which admins can add their own custom code.

Installation:

Unpack and upload it to the /wp-content/plugins/ directory.
Activate the plugin through the 'Plugins' menu in WordPress.

Features:

• Admin users, or more specifically, any user with the manage_options capability (which by default is only the admin type user) can use this plugin's functionality. Some plugins extend user rolls, and so this plugin would naturally extend include rolls that have the appropriate capability.
• CSS Styles are included inline, not linked, at the bottom of the head element with style tags by using wp-head. If the theme doesn't have this hook, this plugin (as well as most others) won't work.
• JavaScript is included inline, not linked, at the bottom of the body element with script tags by using wp-footer. If the theme doesn't have this hook, this plugin (as well as most others) won't work.
• There is no input validation. This plugin puts exactly what you type in the meta box directly into the HTML with no error checking.

What is new in this release:

• Metabox add shortcode bugfix.

What is new in version 3.2:

• Add AJAX to Shortcode Tab
• Add "Chosen" for selects
• General UI Improvements
• Add CoffeeScript Support
• Add Hoops Widget
• Add Global Hoops Shortcodes
• Add Markdown mode to code editor
• Add (fix) code editor themes

What is new in version 3.1.1:

• Added (fixed) CodeMirror themes.

What is new in version 3.0.1:

• Check upgrade in more places
• Fix double Settings Message on general-options
• Fix empty post showing on usage
• Cleaned up constants (internal)

What is new in version 2.0.3:

• Better selection of post_types to add Scripts-n-Styles
• Micro-optimization for storage of class names.
• Adds option page for globally adding Scripts and Styles.
• Defined a later priority for Scripts n Styles to print after other scripts and styles.
• Added a box for Scripts to be included in the head.
• Better adherence to coding standards.
• Tabbed interface on metabox
• Added CodeMirror
• Began contextual help

What is new in version 1.0.2:

• Added fields for body_class and post_class.
• Merged meta boxes.
• Cleaned up code.
• Improved compatibility.
• Added screenshot.

Requirements:

• WordPress 3.3 or higher