Fix stupid `onpaste="false"` password fields. >.>

allow-password-paste.user.js

// ==UserScript==
// @name         Allow password paste
// @namespace    http://www.rummik.com/
// @version      0.1
// @description  Removes paste event from elements with `onpaste` set
// @author       rummik
// @match        http://*/*
// @match        https://*/*
// @grant        none
// ==/UserScript==

[].slice.apply(document.querySelectorAll('input[type=password]'))
    .forEach(function(ele) {
        if (typeof ele.onpaste == 'function' && /return false/.test(ele.onpaste.toString())) {
            ele.onpaste = new Function();
        }
    });