Untitled

<html>
<head>
	<title>demo</title>
</head>
<body>

<!-- <script src="b.js" id="b"></script> -->

<script type="text/javascript">

var globalEval = function(scriptText){
    var doc = document,s = doc.createElement('script');
    s.appendChild(doc.createTextNode(scriptText));
    doc.body.appendChild(s);
}

var _requireScripts = {};
var requireScript = function(src,callback) {
	if(typeof callback !== 'function'){
		callback = function() {}
	}

	if(_requireScripts[src]){
		callback(_requireScripts[src],src)
		return;
	}
	get(src,function() {
		callback(_requireScripts[src] = this.responseText||'',src)
	})
}
var get = function(url,callback) {
	var xhr = new XMLHttpRequest();
	if(typeof callback !== 'function'){
		callback = function() {}
	}

	xhr.onload = callback.bind(xhr);
	xhr.open('GET',url);
	xhr.send(null);
}

/*var loadScript = function(src,callback) {
	var s = document.createElement('script');

	if(typeof callback !== 'function'){
		callback = function() {}
	}

	if(s.readyState){
		s.onreadystatechange = function() {
			if( s.readyState === 'loaded' || s.readystate === 'complete'){
				s.onreadystatechange = null
				callback();
			}
		}
	}else{
		s.onload = callback;
	}
	s.src = src;
	document.body.appendChild(s);
}
loadScript('b.js?param=1')
loadScript('a.js?param=2')
loadScript('b.js?param=3')
loadScript('a.js?param=4')*/

requireScript('a.js?'+Date.now(),function(text,src) {
	// console.log('text:',text);
	globalEval('(function() { \nvar __filename = "'+ src +'";\n'+ text +'\n;})();');
})
</script>


</body>
</html>