Web Storage (sessionStorage & localStorage)

Spec W3C : http://www.w3.org/TR/webstorage/#contents D'après un article de alsacreations.com (celui-ci).
Testing web storage, some examples of using.

The Storage interface

localStorage.length; // no comment

localStorage.key(Unsigned long index); // return the name of the key

localStorage.getItem("String key"); // get the value of the key

localStorage.setItem("String key", "String value"); // set a couple of key/value 

localStorage.removeItem("String key"); // remove a specific key

localStorage.clear(); // delete all keys