VESELOV.SUMY.UA

abDetector - детектор адблока на чистом js

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window.onload = function() {
        var iframe = document.createElement('iframe'),
                randomNum = Math.floor(Math.random() * (10000 - 123 + 1)) + 123,
                protocol = window.location.protocol;

        iframe.src = protocol +"//google.com/"+ randomNum +"/ads.html";
        iframe.height = ".1px";
        iframe.width = ".1px";
        iframe.id = 'some-ad';

        getRequest(iframe, function (response) { // On Success
                document.body.appendChild(iframe);
        }, function (xhr, status) { // On error
                if (status === 0) // Request aborted
                        document.body.appendChild(iframe);
        });

        setTimeout(function() {
                var someAd = document.getElementById('some-ad');
                if(someAd === null ||
                someAd.style.display == "none" ||
                someAd.style.display == "hidden" ||
                someAd.style.visibility == "hidden" ||
                someAd.offsetHeight === 0)
                        document.getElementById('ab-message').style.display = 'block';
                else
                        someAd.remove();
        }, 500);
};

function getRequest (iframe, success, error) {
        var xhr = XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
        xhr.open("GET", iframe.src);
        xhr.onreadystatechange = function(){
                if (xhr.readyState == 4)
                        if (xhr.status == 200) // Loaded successfully
                                success(xhr.responseText);
                        else // For any other error
                                error(xhr, xhr.status);
        };
        xhr.send();
}

https://github.com/R4meau/abDetector