Crash Course - GET and POST requests using "fetch"
У вашего броузера проблема в совместимости с HTML5
In this video, we learned how to make GET and POST API calls using the native "fetch" library.
Github repo: https://github.com/johnazre/youtube-fetch-crash-course
Google's Fetch Walkthrough: https://developers.google.com/web/updates/2015/03/introduction-to-fetch
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