A simple userscript that defeats and disable the javascript alert boxes
// ==UserScript==
// @name Disable javascript alert boxs
// @namespace Disable javascript alert boxs
// @description A simple userscript that defeats and disable the javascript alert boxes
// @author SMed79
// @version 1.0
// @icon http://i.imgur.com/EMCvngV.png
// @run-at document-start
// @include http://*
// @include https://*
// @grant none
// ==/UserScript==
window.alert_ = window.alert;
window.alert = function(a) {
console.log.call(this, a);
}
setTimeout(function() {
window.alert = window.alert_;
delete window.alert_;
}, 5000);