浏览器指纹修改之fonts字体指纹修改

 浏览器指纹修改之fonts字体指纹修改，附上完整浏览器指纹在线查看：http://www.sdfymj.com/ua.php

代码如下：

  

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var rand3 = {    "noise": function () {       var SIGN = Math.random() < Math.random() ? -1 : 1;       var SIGN = num1 < num2 ? -1 : 1;       return Math.floor(num1 + SIGN * num2);     },     "sign": function () {       const tmp = [-1, -1, -1, -1, -1, -1, +1, -1, -1, -1];       const index = Math.floor(num * tmp.length);       return tmp[index];     }   };      Object.defineProperty(HTMLElement.prototype, "offsetHeight", {     get () {       const height = Math.floor(this.getBoundingClientRect().height);       const valid = height && rand3.sign() === 1;       const result = valid ? height + rand3.noise() : height;       return result;     }   });      Object.defineProperty(HTMLElement.prototype, "offsetWidth", {     get () {       const width = Math.floor(this.getBoundingClientRect().width);       const valid = width && rand3.sign() === 1;       const result = valid ? width + rand3.noise() : width;       return result;     }   });