📩 Use web Workers and other Windows through a simple Promise API

postmessage-promise is a client-server like, WebSocket like, full Promise syntax (postMessage.then etc.) supported postMessage library. 一个类 client-server 模式、类 WebSocket 模式、全 Promise 语法支持的 postMessage 库

PostMate is a progressive web app for creating and managing social media post templates on the cloud.

webpage間の双方向通信のシンプルなサンプル、Postmateを利用