domBuilder

domBuilder.js

var domBuilder = function(h, i, j, k, l) {
  while(l=i.shift()) {    
    if ((j = l[0]) && j.exec) {
      k = document.createElement((j+"").split('/')[1]);
      for(j in l[1]) {
        k[j] = l[1][j]
      }
      h.appendChild(k);
      h = k;
    } else {
      l[0] ? h.innerHTML = l : h = h.parentNode
    }
  }
};

domBuilder.min.js

var a=function(c,e,a,d,b){for(;b=e.shift();)if((a=b[0])&&a.exec){d=document.createElement((a+"").split("/")[1]);for(a in b[1])d[a]=b[1][a];c.appendChild(d);c=d}else b[0]?c.innerHTML=b:c=c.parentNode}

usage.js

domBuilder(document.body, [
  [/HTML/],
    [/HEAD/],
      [/TITLE/],
        "Wouldn't this be cool?",
      [],
    [],
    [/BODY/],
      [/DIV/, {id: "container"}],
        "Hello, world",
      [],
    [],
  []
]);