End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
자바스크립트: 스크롤 상태 표시기 (스크롤 인디케이터, 라이브러리 없이 구현) http://yoonbumtae.com/?p=3624