IE8β2のグローバルオブジェクト

status, onresize, onmessage, parent, onhashchange, defaultStatus, name, history, maxConnectionsPerServer, opener, location, screenLeft, document, onbeforeprint, screenTop, clientInformation, onerror, onfocus, event, onload, onblur, window, closed, screen, onscroll, length, frameElement, self, onunload, onafterprint, navigator, frames, sessionStorage, top, clipboardData, external, onhelp, maxConnectionsPer1_0Server, offscreenBuffering, localStorage, onbeforeunload, 

onhashchangeが面白そう。sessionStorageやlocalStorageはストレージ系のオブジェクトかな。XMLHttpRequestはどこいった。