Disable Copy Event

// ==UserScript==
// @name            Disable Copy Event
// @namespace       http://tampermonkey.net/
// @version         1.0
// @description     No more sites tampering with your clipboard
// @author          Theo
// @match           *://*/*
// @grant           none
// ==/UserScript==

(function() {
    'use strict';

    document.oncopy = function() {}
})();