// ==UserScript==
// @name         个性化、美化、自定义网页滚动条
// @namespace    http://tampermonkey.net/
// @version      1.0.1
// @description  个性化、美化、自定义网页滚动条！
// @author       戈小戈
// @match        https://*/*
// @match        http://*/*
// @icon         https://s3.bmp.ovh/imgs/2021/09/a01be58228a8ea44.jpg
// @license           AGPL
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    function changeScrollBar(){
			if(!document.querySelector('style[title="gxg_custom"]')){
				try { //IE下可行
					var style_one = document.createStyleSheet();
					style_one.title='gxg_custom';
					style_one.cssText = "::-webkit-scrollbar {width : 6px; height: 1px;}::-webkit-scrollbar-thumb {border-radius : 10px;background-color: #1f9ae6;background-image: linear-gradient(0deg, #1f9ae6 0%, #00cfd8 80%, #e4e4e4 100%);}::-webkit-scrollbar-track {box-shadow   : inset 0 0 10px rgba(0, 0, 0, 0.1);background   : #ededed;}";
				}
				catch (e) { //Firefox,Opera,Safari,Chrome下可行
					var style_others = document.createElement("style");
					style_others.type = "text/css";
					style_others.title='gxg_custom';
					style_others.textContent = "::-webkit-scrollbar {width : 6px; height: 1px;}::-webkit-scrollbar-thumb {border-radius : 10px;background-color: #1f9ae6;background-image: linear-gradient(0deg, #1f9ae6 0%, #00cfd8 80%, #e4e4e4 100%);}::-webkit-scrollbar-track {box-shadow   : inset 0 0 10px rgba(0, 0, 0, 0.1);background   : #ededed;}";
					document.getElementsByTagName("head").item(0).appendChild(style_others);
				}
			}
     }
    setInterval(function(){
        changeScrollBar();
    }, 100);
     // Your code here...
})();