agnostic-html-shim.htc.html

agnostic-html-shim.htc.html

<PUBLIC:COMPONENT lightWeight="true">
	<PUBLIC:ATTACH EVENT="onreadystatechange" FOR="document" ONEVENT="shim()">
	<SCRIPT>
// an agnostic html shim
// it doesn't believe in any particular element... yet!
// usage: <style> body { *behavior: url(iepp.htc); } </style> or anything like that
//
function shim() {
	// stop if we already believe
	var doc = element.document;//, elem = doc.createElement('i'); elem.innerHTML = "<iii>"; if (elem.childNodes.length) return;
	// search for the unbelievable
	var shim = false, shimmed = {}, es = doc.getElementsByTagName('*'), l = es.length, i = -1, e;
	// detect the unbelievable and begin to believe
	while (++i < l && (e = es[i].nodeName)) if (e.substr(0,1) === '/' && !shimmed[e] && (shim = shimmed[e] = true)) doc.createElement(e.substr(1));
	// reconsider everything after any newfound belief
	if (shim) doc.body.innerHTML = doc.body.innerHTML;	
}
	</SCRIPT>
</PUBLIC:COMPONENT>

You go a little bit crazy :-). I think you have to check the readyState, though:

function shim() {
    // stop if we already believe
    var doc = element.document;//, elem = doc.createElement('i'); elem.innerHTML = "<iii>"; if (elem.childNodes.length) return;
    //wait if are not ready yet
    if(doc.readyState != 'complete'){return;}
    // search for the unbelievable
    var shim = false, shimmed = {}, es = doc.getElementsByTagName('*'), l = es.length, i = -1, e;
    // detect the unbelievable and begin to believe
    while (++i < l && (e = es[i].nodeName)) if (e.substr(0,1) === '/' && !shimmed[e] && (shim = shimmed[e] = true)) doc.createElement(e.substr(1));
    // reconsider everything after any newfound belief
    if (shim) doc.body.innerHTML = doc.body.innerHTML;
}

oh and the following line should be simply changed for small performance:

while (++i < l && (e = es[i].nodeName)) if (!shimmed[e] && e.substr(0,1) === '/' && (shim = shimmed[e] = true)) doc.createElement(e.substr(1));

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