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: 객체지향 1 - new 키워드를 이용해 객체 생성 (ES5 이하) http://yoonbumtae.com/?p=1334