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", "");
    });
});