code: function(doc, node, textFormat){
  			var out;
  			this.textFormat = (textFormat)? textFormat : this.textFormat;
  			if(this.textFormat === 'normalised'){
  				out = this.walkTreeForText( node );
  				if(out !== undefined){
  					return this.normalise( doc, out );
  				}else{
  					return '';
  				}
  			}else{
  				var clonedNode = modules.domUtils.clone(node);
  				var trimmedNode = modules.domUtils.removeDescendantsByTagName( clonedNode, this.excludeTags );
  
  			   return this.formatText( doc, modules.domUtils.textContent(trimmedNode), this.textFormat );
  			}
  		}
docs: parses the text from the DOM Node
  
  @param  {DOM Node} node
  @param  {String} textFormat
  @return {String}