MediaWiki:Common.js

/* Any JavaScript here will be loaded for all users on every page load. importScript('User:Rillke/bigChunkedUpload.js');*/
<nowiki>
var npDetect = new (function () {
    this.blocking = false;
    var errcnt = 0;
    function testImg() {
        var i = new Image();
        i.onerror = () => {
            errcnt++;
            if (errcnt < 3) {
                setTimeout(testImg, 250);
            } else {
                npDetect.blocking = true;

                if (document.dispatchEvent && window.CustomEvent) {
                    document.dispatchEvent(
                        new CustomEvent('np.blocking', {
                            detail: {
                                blocking: npDetect.blocking,
                            },
                        })
                    );
                }
            }
        };
        i.onload = () => {
            npDetect.blocking = false;
        };

        i.src = 'https://s.nitropay.com/1.gif?' + Math.random() + '&adslot=';
    }
    testImg();
})();
</nowiki>