probe option scene : meta/url

[ring04h]

<meta http-equiv=refresh content="1;url=ccnt/sczr/login" >

[ring04h]

var metas = document.getElementsByTagName("meta");

for (var a = 0; a < metas.length; a++) {
    if (metas[a].getAttribute("http-equiv") == 'refresh') {
        var meta_url = metas[a].getAttribute("content").split("url=")[1];
    }
}

console.log(meta_url);