Originally Posted by WolfShade
I _think_ it's going to be deprecated.
it's not going to stop alltogether (it's a good opportunity to dump your state to localStorage), it's that popups won't work from it.
according to :
Since 25 May 2011, the HTML5 specification states that calls to window.showModalDialog(), window.alert(), window.confirm() and window.prompt() methods may be ignored during this event.
browser makers realize that many sites abuse the procedure to create frustrating interaction aimed at jailing users into a domain, and they are starting to take action. stay tuned folks.
BROWSER STATS [% share]
(2013/10/31) IE7:0.5, IE8:8.6, IE9:5.3, IE10:12.3, FF:17.7, CH:41.8, SF:8.1, MOBILE:20.4