1) fix: make inObject, hasOwnKey more sense (tangshuang)
(SHA: da0714add566e1f7054a9d1d94d0062c12e9aa71)

2) update version to 10.6.2 (tangshuang)
(SHA: 933a894a95738c0dda17926a24c8b6c0893da0bb)

3) fix: docs (tangshuang)
(SHA: e805ec91f7cc5930b64885373390bb83622ed44a)