var i=0,s="",k=0;function foo(){for(j=0;j<10;j++){for(i=0;i<10;i++){s="string1";
k=Math.floor(Math.random()*10);}for(i=20;i>9;i--){s="string2";k=i;}}}

var i=0,s="",k=0;
function foo()
{
	for(j=0;j<10;j++)
	{
		for(i=0;i<10;i++)
		{
			s="string1";
			k=Math.floor(Math.random()*10);
		}
		for(i=20;i>9;i--)
		{
			s="string2";
			k=i;
		}
	}
}

<div id="dumparea"></div>
<script src="objectdump.js"></script>
<script>
objectdump( window, document.getElementById( 'dumparea' ) );
</script>

function print_r(obj) {
    var count_obj = 0;
    function _output(str) {
        document.writeln(str + "<br/>");
    }
    
    function _print_r(obj, name, level) {
        var s = "";
        if (obj == undefined || level > 4) return;
        for (var i = 0; i < level; i++) { s += " | "; }
        s += " - " + name + ":" + typeof(obj) + "=" + obj;
        _output(s);
        if (name == "document" || typeof(obj) != "object") return;
        for ( key in obj ) {
           if (count_obj++ > 150) return;
           _print_r(obj[key], key, level + 1);
        }
    }
    _print_r(obj, "*", 0);
}