v1.1.0

1. use only IntersectionObserver API
2. support em, rem, vh & vw unit for width & height

v1.0.22

Full Changelog: v1.0.21...v1.0.22

v1.0.19

Full Changelog: v1.0.18...v1.0.19

v1.0.18

Full Changelog: v1.0.17...v1.0.18

v1.0.17

Full Changelog: v1.0.16...v1.0.17

v1.0.16

Full Changelog: v1.0.15...v1.0.16

v1.0.14

Full Changelog: v1.0.13...v1.0.14

v1.0.12

Full Changelog: v1.0.10...v1.0.12