Disable auto scrolling userscript

Disable auto scrolling.js

// ==UserScript==
// @name         Disable auto scrolling
// @version      1.0
// @description  Disables auto scrolling on pages (ie. middle mouse scrolling)
// @match        *://*/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var target;
    window.addEventListener('mousedown', function(mouseEvent) {
        if(mouseEvent.button != 1)
            return;
        target = mouseEvent.target;
        mouseEvent.preventDefault();
        mouseEvent.stopPropegation();
    }, true);
})();