code: function isWhiteSpace(ch) {
          return (ch === 32) ||  // space
              (ch === 9) ||      // tab
              (ch === 0xB) ||
              (ch === 0xC) ||
              (ch === 0xA0) ||
              (ch >= 0x1680 && '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(String.fromCharCode(ch)) > 0);
      }
docs: 7.2 White Space