automatic-tab-closer.js

// ==UserScript==
// @name         Automatic Tab Closer
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  No more tab hogging ;)
// @author       AlbinoDrought
// @match        *://www.w3schools.com/*
// @match        *://php.net/*
// @match        *://www.google.ca/*
// @grant        window.close
// ==/UserScript==

(function() {
    'use strict';
    
    var timeoutReference = false;
    var delay = 10000;

    function onTimeout() {
      window.close();
    }

    function resetTimer() {
        if (timeoutReference !== false) {
            clearTimeout(timeoutReference);
        }

        timeoutReference = setTimeout(onTimeout, delay);
    }

    document.addEventListener("load", resetTimer);
    document.addEventListener("mousemove", resetTimer);
    document.addEventListener("keypress", resetTimer);
    document.addEventListener("click", resetTimer);
    document.addEventListener("scroll", resetTimer);

    resetTimer();

})();