What browsers support the window.postMessage call now?

Question

What are all the browsers that support the window.postMessage call now? I am looking for browsers that support it natively, not through an iFrame hack.

Answer 1

IE8 does not allow postMessage across windows/tabs

http://blogs.msdn.com/b/ieinternals/archive/2009/09/16/bugs-in-ie8-support-for-html5-postmessage-sessionstorage-and-localstorage.aspx

for more info check here

http://www.openajax.org/member/wiki/Browser_Variation_of_the_Hub_Reference_Implementation_%28Illustrative%29