整蛊代码：你屏幕上有根毛-52mjj

以下是优化后的完整 js 代码，将代码插入到你的网页中即可看到效果！代码中的图片地址可能后续会失效，建议保存到本地使用。

/***
 * 彩蛋 - 你屏幕上有根毛
 * 出处：https://www.baidu.com/s?ie=UTF-8&wd=%E6%84%9A%E4%BA%BA%E8%8A%82
 * 整理：mengkun https://mkblog.cn/
 */
!function() {
    var bottom = Math.floor(60 * Math.random()),
        right = Math.floor(50 * Math.random()),
        rotate = Math.floor(360 * Math.random());
    var foolsEgg = document.createElement("img");
    foolsEgg.src = "https://search-operate.cdn.bcebos.com/b028c278cbb84660f8bde79d819bc30b.png";
    foolsEgg.style.position = "fixed"; 
    foolsEgg.style.bottom = "".concat(bottom, "%");
    foolsEgg.style.right = "".concat(right, "%"); 
    foolsEgg.style.zIndex = "9999"; 
    foolsEgg.style.pointerEvents = "none";
    foolsEgg.style.width = "40%";
    foolsEgg.style.maxWidth = "190px";
    foolsEgg.style.transform = "".concat("rotate(", rotate, "deg)"); 
    document.body.append(foolsEgg);
} ();

图片如果失效请使用：