Link：https://covid-19-tracker-3bd27.web.app/?fbclid=IwAR0UrGtNMHWhkSnSpPiyOT38t385nbYMzfUgxnUgxq958Xiiac8zIGh2lC8 用來追蹤Covid-19確診恢復以及死亡人數。將data與地圖做連結，讓網頁動態呈現。 1. Using React and Material UI to design website. 2. Fetch online API data to show in the map and statistic chart. 3. Hosting the Website by Firebase.