用户:WSTouty/灰暗开关

<style> html, body {

   position: relative;
   height: unset !important;
   min-height: 100vw;

}

html {

   transition: .37s filter ease-in-out;
   filter: none;
   background: #f6f6f6;

}

html.gray {

   filter: grayscale(100%);
   -webkit-filter: grayscale(100%);
   -moz-filter: grayscale(100%);
   -ms-filter: grayscale(100%);
   -o-filter: grayscale(100%)

}

html.gray:before {

   content: "";
   position: absolute;
   top: 0;
   left: 0;
   width: 100%;
   height: 100%;

}

.please-donate {

   display: none !important;

} </style><script>

"use strict"; window.RLQ = window.RLQ || []; window.RLQ.push(async () => {

   await Promise.all([
       mw.loader.using(["ext.gadget.libBottomRightCorner", "ext.gadget.libOOUIDialog", "ext.gadget.site-lib"]),
       $.ready,
   ]);
   $("html")[sessionStorage.getItem("WidgetDeceasedPersonGrayClass") !== "removeClass" ? "addClass" : "removeClass"]("gray");
   mw.loader.addStyleTag(`html.gray:before { background: ${$("body").css("background")}; }`);
   insertToBottomRightCorner(wgULS("切换灰度模式", "切換灰度模式")).on("click", () => {
       $("html").toggleClass("gray");
       if (sessionStorage.getItem("WidgetDeceasedPersonGrayClass") === null) {
           oouiDialog.alert(wgULS("该切换功能会影响所有使用灰度模式的页面，并在浏览器关闭后会重置回默认的【开启】状态。", "該切換功能會影響所有使用灰度模式的頁面，並在瀏覽器關閉後會重置回預設的【開啟】狀態。"), {
               title: wgULS("灰度模式切换提示", "灰度模式切換提示"),
           });
       }
       sessionStorage.setItem("WidgetDeceasedPersonGrayClass", $("html").is(".gray") ? "addClass" : "removeClass");
   });

}); </script>