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: for문 안에 setTimeout 함수 사용하는 방법 (IIFE, 재귀함수) http://yoonbumtae.com/?p=643