Convert element to object then to json

elementToObject

function  elementToObject(element, o) {
    var el = $(element);
    var o =  { 
       tagName: el.tagName
    };
    var i = 0;
    for (i ; i < el.attributes.length; i++) {
        o[el.attributes[i].name] = el.attributes[i].value;
    }

    var children = el.childElements();
    if (children.length) {
      o.children = [];
      i = 0;
      for (i ; i < children.length; i++) {
        child = $(children[i]);
        o.children[i] = elementToObject(child, o.children) ; 
      }
    }
    return  o;
  }
/*
  exemple: 
  a = elementToObject(document.body);
  Object.toJSON(a);
*/