code: function tokenize(content) {
      var tokens = [];
      var parser = new htmlparser.Parser({
          onopentag: function(name, attribs) { },
          ontext: function(text) {
              var start = parser.startIndex;
  
              tokens.push({
                  value: text,
                  index: start,
                  offset: text.length
              });
          },
          onclosetag: function(tagname) { }
      });
      parser.write(content);
      parser.end();
  
      return tokens;
  }
docs: Tokenize some html content to return tokens of text