This JavaScript-packed HTML code performs the following operations, and here...

September 5, 2025 at 02:10 PM

< html lang = "en" > < head > < title > Redirecting... < /title></head > < body > < script > (() => {
    "use strict";
    const t = "offset",
        e = "client",
        o = function() {};
    let n = !1,
        r = !1;
    const i = {
            loopDelay: 50,
            maxLoop: 5,
            complete: o
        },
        l = [];
    let u = null;
    const s = {
            cssClass: "ad-overlay google-ad-bottom-outer prebid-wrapper .dfp-ad-container"
        },
        a = {
            nullProps: [t + "Parent"],
            zeroProps: []
        };
    a.zeroProps = [t + "Height", t + "Left", t + "Top", t + "Width", t + "Height", e + "Height", e + "Width"];
    const c = {
        quick: null,
        remote: null
    };
    let d = null;
    const p = {
        test: 0,
        download: 0
    };

    function f(t) {
        return "function" == typeof t
    }

    function m(t) {
        !0 !== d && (r = !0, y(t), c.quick = "testing", p.test = setTimeout((function() {
            h(t, 1)
        }), 5))
    }

    function y(t) {
        let e, o, n = document.body,
            r = "width: 1px !important; height: 1px !important; position: absolute !important; left: -10000px !important; top: -1000px !important;";
        if (null != t && "string" != typeof t) {
            for (null != t.style && (r += t.style), u = function(t, e) {
                    let o, n, r = e;
                    if (n = document.createElement(t), r)
                        for (o in r) r.hasOwnProperty(o) && n.setAttribute(o, r[o]);
                    return n
                }("div", {
                    class: t.cssClass,
                    style: r
                }), n.appendChild(u), e = 0; e < a.nullProps.length; e++) o = u[a.nullProps[e]];
            for (e = 0; e < a.zeroProps.length; e++) o = u[a.zeroProps[e]]
        }
    }

    function h(t, e) {
        const o = document.body;
        let c = !1;
        if (null == u && y(t || s), "string" != typeof t) {
            p.test > 0 && (clearTimeout(p.test), p.test = 0), null !== o.getAttribute("abp") && (c = !0);
            for (let t = 0; t < a.nullProps.length; t++) {
                if (null == u[a.nullProps[t]]) {
                    e > 4 && (c = !0);
                    break
                }
                if (!0 === c) break
            }
            for (let t = 0; t < a.zeroProps.length && !0 !== c; t++) 0 === u[a.zeroProps[t]] && e > 4 && (c = !0);
            if (void 0 !== window.getComputedStyle) {
                const t = window.getComputedStyle(u, null);
                "none" !== t.getPropertyValue("display") && "hidden" !== t.getPropertyValue("visibility") || e > 4 && (c = !0)
            }
            n = !0, c || e++ >= i.maxLoop ? (d = c, function() {
                let t, e;
                if (null === d) return;
                for (t = 0; t < l.length; t++) {
                    e = l[t];
                    try {
                        null != e && f(e["complete"]) && e["complete"](d)
                    } catch (t) {
                        return
                    }
                }
            }(), g() && setTimeout((function() {
                r = !1
            }), 5)) : p.test = setTimeout((function() {
                h(t, e)
            }), i.loopDelay)
        } else g() && setTimeout((function() {
            r = !1
        }), 5)
    }

    function g() {
        if (null === u) return !0;
        try {
            f(u.remove) && u.remove(), document.body.removeChild(u)
        } catch (t) {}
        return u = null, !0
    }
    var w = function(t) {
        if (!t) return;
        const e = {
            complete: o,
            found: o,
            notfound: o
        };
        let n;
        for (n in t) t.hasOwnProperty(n) && ("complete" === n || "found" === n || "notFound" === n ? e[n.toLowerCase()] = t[n] : i[n] = t[n]);
        l.push(e),
            function() {
                let t, e = !1;
                document.readyState && "complete" === document.readyState && (e = !0), t = function() {
                    m(s)
                }, e ? t() : window.addEventListener("load", t)
            }()
    };

    function b() {
        document.write(`<a id="Lf5Bwk4VUwckRGlsodUE1cfaRyQBxT1O" href="/.IGV0hOcNusVJOgqoD1HuWTk0PssdueKB"></a>`), document.getElementById("Lf5Bwk4VUwckRGlsodUE1cfaRyQBxT1O").click()
    }

    function v(t) {
        return `${t}`
    }
    async function P(t) {
        const e = await async function(t, e) {
            const o = JSON.parse(atob(t));
            return o.parameters.adBlockingDetected = e, o.parameters.timezoneBrowser = Intl.DateTimeFormat().resolvedOptions().timeZone, o.parameters.webdriver = navigator.webdriver, o.parameters.gpu = await async function() {
                if (!navigator.gpu) return null;
                const t = await navigator.gpu.requestAdapter();
                if (!t) return null;
                if (t.info && t.info.vendor) return t.info.vendor;
                if (t.requestAdapterInfo) {
                    const e = await t.requestAdapterInfo();
                    return e.vendor ? e.vendor : null
                }
                return null
            }(), JSON.stringify(o)
        }("eyJwYXJhbWV0ZXJzIjp7ImlwT3JpZyI6IjYyLjE2OS4yMjkuMjQyIiwicHJvdG9jb2wiOiJodHRwcyIsImNvdW50cnkiOiJHUiIsInJlZ2lvbiI6IkIiLCJyZWdpb25OYW1lIjoiQ2VudHJhbCBNYWNlZG9uaWEiLCJ0aW1lem9uZUdlbyI6IkV1cm9wZS9BdGhlbnMiLCJ1dWlkIjoiYTAzOWQ0ZjdjZGJjZTg4NDNmODBkYmVkMjAzOTg5OGMiLCJ0ZW5hbnQiOiJzaGFyZWQiLCJwYXRoIjoiLyIsImNpdHkiOiJUaGVzc2Fsb25pa2kiLCJjb250aW5lbnQiOiJFVSIsImNvbnRpbmVudE5hbWUiOiJFdXJvcGUiLCJjb3VudHJ5TmFtZSI6IkdyZWVjZSIsImRvbWFpbkFwZXgiOiJtLWFwcHN1aXRlLmNvbSIsImRvbWFpbkZ1bGwiOiJtLWFwcHN1aXRlLmNvbSJ9fQ==", t);
        (async function(t, e) {
            const o = new XMLHttpRequest;
            o.onreadystatechange = _, o.open("POST", t, !0), o.send(e)
        })("https://router.parklogic.com/", e).then()
    }

    function _() {
        var t;
        4 === this.readyState && (200 !== this.status && console.error(`failed to contact router, status code: ${this.status} "${this.statusText}"`), this.responseText.startsWith("http") ? (t = this.responseText, "true" === v("false") ? (document.cookie = `m6RW96QaECHb2mXiRi7YQBqlkYuoZc7A=${btoa(t)};max-age=5`, b()) : window.location.replace(t)) : document.body.innerHTML = this.responseText)
    }
    "true" === v("true") ? w({
        complete: t => {
            t ? "true" === v("false") ? (document.cookie = "Nsj7rdlN8X5lOGh3PoZezs9aS9Eqq3VK=1;max-age=5", "true" === v("false") ? b() : location.reload()) : P(!0) : P(!1)
        }
    }) : P()
})(); < /script></body > < /html>// This is just a sample script. Paste your real code (javascript or HTML) here.

if ('this_is'==/an_example/){of_beautifier();}else{var a=b?(c%d):e[f];}

This JavaScript-packed HTML code performs the following operations, and here is a breakdown of the code:

1. Anti-Adblock Detection Logic:

It tries to detect whether an ad blocker is active in the user's browser.
By generating DOM elements with specific IDs, styles, and properties, it inspects whether some common elements (like ad overlays or certain container sizes) are nullified or hidden by the ad blocker.

2. Dynamic DOM Manipulation:

The script creates hidden <div> elements with specific styles and attributes to test for ad-blocking mechanisms by manipulating them, reading their properties, and monitoring if attributes are altered by the browser or extensions.

3. URL Redirection:

If any ad-blocking behavior is detected, it may redirect users to another URL. The redirection logic appears to be encoded:
- A dummy <a> element is created and programmatically clicked to initiate a redirection without user action.
- Alternatively, a response from the XMLHttpRequest could lead to setting cookies and dynamically replacing the location using window.location.replace().

4. Encoded Variable Handling:

The script uses Base64-decoded JSON strings, such as configuration or metadata, to send information to an external server (e.g., about ad-blocking detection results and environment data such as timezone or GPU presence).

5. Tracking and Analytics:

The code collects various details like:
- User IP and region (values possibly decoded from the Base64-encoded string).
- navigator.webdriver to see if the browser is automated.
- GPU adapter information if available using navigator.gpu.

6. AJAX Communication:

The script sends a POST request to a server (https://router.parklogic.com/) with user details encoded in the HTTP request.
Behavior depends on the response — either the user is redirected to a new URL (if the response starts with http) or a message is displayed by replacing the page's HTML.

7. Cookie Utilization:

Temporary cookies are set "max-age=5" to possibly preserve ad-blocker detection or redirection state over a short period.

8. Callback & Event Handlers:

There's an initialization process where a complete callback is executed after the logic is done.
The script waits for the page's load event to start execution.

Summary:

This code detects if an ad blocker is active, sends analytics data (possibly including hardware/environment info) to an external server, and, based on the response, either redirects the user or displays alternate content. It's a part of an anti-adblocker system integrated with tracking and redirection.

Generate your own explanations

Download our vscode extension

Read other generated explanations

Built by @thebuilderjr