code: function startsWith(token, text, pos) {
  		pos = pos || 0;
  		return text.charAt(pos) == token.charAt(0) && text.substr(pos, token.length) == token;
  	}
docs: Test if <code>text</code> starts with <code>token</code> at <code>pos</code>
  position. If <code>pos</code> is omitted, search from beginning of text
  @param {String} token Token to test
  @param {String} text Where to search
  @param {Number} pos Position where to start search
  @return {Boolean}
  @since 0.65