JSFiddle - React, Tailwind, and code Playground

by achwedyk

HTML

MediaController is: <span id="support"></span>

JavaScript

function checkSupport() {
    if (!("MediaController" in window)) {
        return "unsupported";
    }
    var mc = new MediaController();
    // WebKit doesn't support events: https://bugs.webkit.org/show_bug.cgi?id=94891
    if ("onended" in mc) {
        return "supported";
    } else {
        return "partially supported";
    }
}

document.getElementById('support').innerHTML = checkSupport();