html javascript test

<script>

  function Arguments(data){

    function recurse(left,right){
      for(var a in right){
        if(right[a] instanceof Object){
          left[a] = {};recurse(left[a],right[a]);
        }
        else left[a] = right[a];
      }
    }


    this.data = data;
    this.attach = function(elem){
      recurse(elem,this.data);
    }
  }
  function A(data){
    return new Arguments(data);
  }



  function node(name,first,data){
    var elem = document.createElement(name);

    var s = 0;
    if(first instanceof Arguments){
      first.attach(elem);
      s = 1;
    }
    for(var a=s; a<data.length; a++){
      elem.appendChild(data[a]);
    }
    return elem;
  }



  function html(first){return node("html",first,arguments);}
  function head(first){return node("head",first,arguments);}
  function body(first){return node("body",first,arguments);}
  function div(first){return node("div",first,arguments);}
  function span(first){return node("span",first,arguments);}


  (function(){


    var a = html(
      head(),
      body(
        span(A({innerText:"U wot m8",style:{fontWeight:"bold"}}))
      )
    );

    document.open();
    document.write(a.outerHTML);
    document.close();
  })();
</script>