Embed to HTML5

Replaces media embed tags with HTML5 equivalents
Ajankohdalta 10.6.2016. Katso uusin versio.
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// ==UserScript==
// @name          Embed to HTML5
// @namespace     DoomTay
// @description   Replaces media embed tags with HTML5 equivalents
// @version       1.0.3
// @exclude       *.svg
// @grant         none

// ==/UserScript==

var embeds = document.embeds;

var audioFiletypes = [".mp3",".wav",".ogg"];
var videoFiletypes = [".mp4"];

if(embeds.length > 0)
{
	for(var e = embeds.length - 1; e >= 0; e--)
	{
		if(audioFiletypes.some(elem => embeds[e].src.includes(elem))) var replacement = document.createElement("audio");
		else if(videoFiletypes.some(elem => embeds[e].src.includes(elem))) var replacement = document.createElement("video");
		else continue;
		replacement.src = decodeURIComponent(embeds[e].src);
		replacement.width = embeds[e].width;
		replacement.height = embeds[e].height;
		if(embeds[e].hidden) replacement.style.display = "none";
		replacement.autoplay = parseBool(embeds[e].getAttribute("autostart") || embeds[e].getAttribute("autoplay")) || audioFiletypes.some(elem => window.location.href.includes(elem));
		replacement.controls = parseBool(embeds[e].getAttribute("controller"));
		replacement.loop = parseBool(embeds[e].getAttribute("loop"));
		if(embeds[e].parentNode.nodeName == "OBJECT")
		{
			embeds[e].parentNode.parentNode.replaceChild(replacement, embeds[e].parentNode);
		}
		else
		{
			embeds[e].parentNode.replaceChild(replacement, embeds[e]);
		}
	}
}

function getBitrate(media)
{
	console.log(media);
	return 44;
}

function parseBool(string)
{
	return string == "true";
}