Local storage history

• cookies
• userData
• 2002 flash cookies local shared objects
• 2007 Google Gears provides an API to an embedded SQL database.
• dojox.storage

HTML5 STORAGE

HTML5 Storage is based on named key/value pairs. You store data based on a named key, then you can retrieve that data with the same key. The named key is a string. The data can be any type supported by JavaScript, including strings, Booleans, integers, or floats.

• Track changes of storage area

  you can trap the storage event. The storage event is fired on the window object whenever setItem(), removeItem(), or clear() is called and actually changes something.

• LIMITATIONS IN CURRENT BROWSERS

  5 megabytes QUOTA_EXCEEDED_ERR no browser supports any mechanism for web developers to request more storage space.

  • with HTML5 Storage, we can save the progress locally, within the browser itself.
  • IndexDB
  • Web SQL Database