TinyAutoSave features

• 100% client side, no server dependency.
• 100% JavaScript.
• Wide browser support: supports every Web browser that TinyMCE supports.
• Simple installation, just copy the files and add to your editor config.
• Completely automated operation: runs silently in the background, users don't need to do a thing.
• Large document support: more than 90% of all Web browsers in use today can auto-save documents 128K in size or greater - even with cookes disabled.
• Granular configuration options for changing how it works.
• Independent autosave storage and settings means each editor instance can have its own dedicated autosave storage, UI, and behavior.
• Seven different events to initialize the plugin, to control behavior and content before/after auto-saves and restores, and to respond to errors.
• Extensively documented source code, including support for Visual Studio Intellisense.
• Automatically switches to .gif version of toolbar button for browsers with no .png support.
• Comes with 12 different animations to choose from.
• Simple to configure a different animation, including your own, and control how long the animation displays.
• Preloads the animation so it's instantly available the first time needed.
• Minified plugin file shrinks variable names for smallest download.
• Dual-licensed under the MIT or GNU General Public License, version 2 (GPL2).