code: function(name) {
  			name = (name || '').toLowerCase();
  			
  			if (name in elementMap)
  				return this.getMapping(name);
  			
  			if (this.isInlineLevel(name))
  				return 'span';
  			
  			return 'div';
  		}
docs: Returns best matched child element name for passed parent's
  tag name
  @param {String} name
  @returns {String}
  @memberOf tagName