Google Logo Remover - Hides the logo on the Google homepage because it changes too much

google_nologo.user.js

// ==UserScript==
// @name        Google Logo Remover
// @description Hides the logo on the Google homepage because it changes too much
// @version     1.1
// @namespace   nutbread
// @include     https://google.com/*
// @include     https://*.google.com/*
// @grant       none
// @run-at      document-start
// @icon        data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAYAAABXAvmHAAAAn0lEQVR42u3awQ1AQBhEYdkiJFrRDQc9aEgbTnShDCdhzZ/sQQdMPMm7z5es024VXzcdSTVqVJu6VP5YV9k2lq3pOb5Vi8omLWVzCkCtZnUaAc6yuQ7AoLJpQwBWY8AagN0YsAcgOwcAAAAAAAAAAAAAwIuA3nh8zxECAICfmCMEAAAAAAAAAAAA4McA+0s++2tW+4tu+6cG9o897J/b3Ajk5Evv30bKAAAAAElFTkSuQmCC
// ==/UserScript==



// Main
(function () {
	"use strict";

	// Run when the document is ready
	var on_ready = (function () {

		// Vars
		var callbacks = [],
			check_interval = null,
			check_interval_time = 250;

		// Check if ready and run callbacks
		var callback_check = function () {
			if (
				(document.readyState === "interactive" || document.readyState === "complete") &&
				callbacks !== null
			) {
				// Run callbacks
				var cbs = callbacks,
					cb_count = cbs.length,
					i;

				// Clear
				callbacks = null;

				for (i = 0; i < cb_count; ++i) {
					cbs[i].call(null);
				}

				// Clear events and checking interval
				window.removeEventListener("load", callback_check, false);
				window.removeEventListener("readystatechange", callback_check, false);

				if (check_interval !== null) {
					clearInterval(check_interval);
					check_interval = null;
				}

				// Okay
				return true;
			}

			// Not executed
			return false;
		};

		// Listen
		window.addEventListener("load", callback_check, false);
		window.addEventListener("readystatechange", callback_check, false);

		// Callback adding function
		return function (cb) {
			if (callbacks === null) {
				// Ready to execute
				cb.call(null);
			}
			else {
				// Delay
				callbacks.push(cb);

				// Set a check interval
				if (check_interval === null && callback_check() !== true) {
					check_interval = setInterval(callback_check, check_interval_time);
				}
			}
		};

	})();



	// Setup as soon as possible
	on_ready(function () {
		var node;
		if ((node = document.querySelector("#lga")) !== null) {
			node.style.visibility = "hidden";
		}
		if ((node = document.querySelector("#gbq1")) !== null) {
			node.style.visibility = "hidden";
		}
	});

})();