Useful userscript for looping webms since webms don't loop by default.

// UserScript
// @name endchan webm loop
// @namespace jkhsjdhjs
// @include http://endchan.xyz*
// @include https://endchan.xyz*
// @version 1
// @grant none
// @require https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js
// /UserScript

$(document).ready(function() {
$('video').each(function() {
$(this).attr("loop", "");
});
});