Gist that allows you to get all possible events for IE9+, Chrome, Safari and FF.

get-all-events.js

//long version
function getAllEvents() {
    return Object.getOwnPropertyNames(document)
        .concat(Object.getOwnPropertyNames(Object.getPrototypeOf(Object.getPrototypeOf(document))))
        .concat(Object.getOwnPropertyNames(Object.getPrototypeOf(window)))
        .filter(function(i){return !i.indexOf('on')&&(document[i]==null||document[i].call)})
        .filter(function(elem, pos, self){return self.indexOf(elem) == pos})
}

//short, one line version (262 chars)
function getAllEvents(w,f,u,d){w=Object.getOwnPropertyNames,f=Object.getPrototypeOf,d=document;return w(d).concat(w(f(f(d)))).concat(w(f(window))).filter(function(i){return !i.indexOf('on')&&(d[i]==u||d[i].call)}).filter(function(e,p,s){return s.indexOf(e)==p})}

// the result is an array
//
// ["onwebkitpointerlockerror", "onwebkitpointerlockchange", "onwebkitfullscreenerror", "onwebkitfullscreenchange", 
// "onselectionchange", "onselectstart", "onsearch", "onreset", "onpaste", "onbeforepaste", "oncopy", "onbeforecopy", 
// "oncut", "onbeforecut", "onsubmit", "onselect", "onscroll", "onreadystatechange", "onmousewheel", "onmouseup", 
// "onmouseover", "onmouseout", "onmousemove", "onmousedown", "onload", "onkeyup", "onkeypress", "onkeydown", "oninvalid", 
// "oninput", "onfocus", "onerror", "ondrop", "ondragstart", "ondragover", "ondragleave", "ondragenter", "ondragend", 
// "ondrag", "ondblclick", "oncontextmenu", "onclick", "onchange", "onblur", "onabort", "ondeviceorientation", 
// "ontransitionend", "onwebkittransitionend", "onwebkitanimationstart", "onwebkitanimationiteration", 
// "onwebkitanimationend", "onwaiting", "onvolumechange", "onunload", "ontimeupdate", "onsuspend", "onstorage", 
// "onstalled", "onseeking", "onseeked", "onresize", "onratechange", "onprogress", "onpopstate", "onplaying", 
// "onplay", "onpause", "onpageshow", "onpagehide", "ononline", "onoffline", "onmessage", "onloadstart", 
// "onloadedmetadata", "onloadeddata", "onhashchange", "onended", "onemptied", "ondurationchange", "oncanplaythrough", 
// "oncanplay", "onbeforeunload"]