function fromCodePoint()

in scripts/build.js [529:540]


      function fromCodePoint(codepoint) {
        var code = typeof codepoint === 'string' ?
              parseInt(codepoint, 16) : codepoint;
        if (code < 0x10000) {
          return fromCharCode(code);
        }
        code -= 0x10000;
        return fromCharCode(
          0xD800 + (code >> 10),
          0xDC00 + (code & 0x3FF)
        );
      }