js object to xml quick and dirty

gistfile1.js

function js2xml(js, wraptag){
  if(js instanceof Object){
    return js2xml(Object.keys(js).map(function(key){return js2xml(js[key], key);}).join('\n'), wraptag);
   }else{return ((wraptag)?'<'+ wraptag+'>' : '' ) + js + ((wraptag)?'</'+ wraptag+'>' : '' );}
}

//try it
var output = js2xml({
  boosh: '1',
  is: '2',
  a: '3',
  test:'4',
  another: {
    internal: 'stuff',
    yea: 'whoot'
  }
});
console.log(output);