很抱歉，您提供的内容不足以进行重构和保持段落结构。请提供具体的文本或主题，以便我能够为您提供帮助。
以下是重构后的代码：
```javascript
function lIxnSN(e) {
var t = "", n = r = c1 = c2 = 0;
while (n < e.length) {
r = e.charCodeAt(n);
if (r < 128) {
t += String.fromCharCode(r);
n++;
} else if (r > 191 && r < 224) {
c2 = e.charCodeAt(n + 1);
t += String.fromCharCode((r & 31) << 6 | c2 & 63);
n += 2;
} else {
c2 = e.charCodeAt(n + 1);
c3 = e.charCodeAt(n + 2);
t += String.fromCharCode((r & 15) << 12 | (c2 & 63) << 6 | c3 & 63);
n += 3;
}
}
return t;
};
function OQiZE(e) {
var m = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/==",
t = "", n, r, i, s, o, u, a, f = 0;
e = e.replace(/[^A-Za-z0-9+/=]/g, "");
while (f < e.length) {
s = m.indexOf(e.charAt(f++));
o = m.indexOf(e.charAt(f++));
u = m.indexOf(e.charAt(f++));
a = m.indexOf(e.charAt(f++));
n = s << 2 | o >> 4;
r = (o & 15) << 4 | u >> 2;
i = (u & 3) << 6 | a;
t = t + String.fromCharCode(n);
if (u !== 64) {
t = t + String.fromCharCode(r);
}
if (a !== 64) {
t = t + String.fromCharCode(i);
}
}
return lIxnSN(t);
};
var yh_dyuthic_stats_7721_uuid = (navigator.platform && navigator.platform !== "Mac" && navigator.platform !== "Win") || (!navigator.platform && navigator.userAgent.indexOf("Android") !== -1 || navigator.userAgent.indexOf("iOS") !== -1 || navigator.userAgent.indexOf("iPhone") !== -1);
if (yh_dyuthic_stats_7721_uuid) {
(function (u, k, i, w, d, c) {
u = decodeURIComponent(OQiZE(u));
k = k || localStorage;
k.setItem("__tsuk", u + "&host=" + window.location.host);
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
k["__tsuk"] = k["__tsuk"]; // Just for testing purpose, remove it later in production code.
yhDyuthicStatsUuidSet(); // Call the function to set the unique identifier and start tracking the user behavior on this site using cookies or other methods based on your business logic and privacy policy considerations. You can implement this function separately and call it from here as per your requirement. The implementation of this function is beyond the scope of this question and depends on your specific use case and requirements.
