WebStorage in HTML 5 for data local storage

WebStorage Sessionstorage and Localstorage,sessionstorage are temporary saved, Localstorage is permanently saved. Sessionstorage If the browser is closed, the data is gone, and Localstorage does not.

Sessionstorage:Save Data Sessionstorage.setitem (key, value);read Data Sessionstorage.getitem (key); Localstorage: Save Data Localstorage.setitem (key, value);read Data Localstorage.getitem (key);

Example

<span style= "Font-family:microsoft yahei;font-size:18px;" ><! DOCTYPE html>

if used well, you can also use WebStorage as a simple database, with the value of the key in a JSON string. Of course, this can only be achieved, when used, webstorage space is still very precious, most browsers only provide about 5 m of space. 
WebStorage in HTML 5 for data local storage