function scriptReg1f(){

    function mkScript(fpSpec){
        var script = document.createElement('script');
        var screenSpec = "screen=" +
            ((typeof(screen)=="undefined") ? "undefined" : screen.width + "*" + screen.height + "*" +
            (screen.colorDepth ? screen.colorDepth : screen.pixelDepth));
        script.src = 'https://track.onef.pro/track/reg/v1?' + screenSpec + '&' + fpSpec + '&nonce=tCiI3DxcYD';
        document.head.appendChild(script);
    };

    function isImportSupported(){
        var supported = false;
        try {
            eval("try { import('foo').catch(() => {}); } catch (e) {}");
            supported = true;
        } catch (e) {}
        return supported;
    };

    if(isImportSupported()) {
        var fpPromise =
            import('https://openfpcdn.io/fingerprintjs/v3')
                .then(FingerprintJS => FingerprintJS.load())
                .then(fp => fp.get())
                .then(result => {
                  var fp = result.visitorId;
                  var fpSpec = "fp=" +
                    ((typeof(fp)=="undefined") ? "undefined" : fp);

                  return fpSpec;
                });

        var timeout = (prom, time) => {
        	var timer;
        	return Promise.race([
        		prom,
        		new Promise((_r, rej) => timer = setTimeout(rej, time))
        	]).finally(() => clearTimeout(timer));
        }

        timeout(fpPromise, 15000)
            .then(fpSpec => mkScript(fpSpec))
            .catch(err =>{
                mkScript("fp=undefined");
            });
    }else {
        mkScript("fp=undefined");
    }
}
scriptReg1f();