下列代码可以检测浏览器是否自动屏蔽了弹出窗口

来源：互联网发布：淘宝台湾里仁自然本相编辑：程序博客网时间：2024/04/30 01:02

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><TITLE>弹出窗口检查</TITLE>
<META http-equiv=Content-Type content="text/html; charset=utf-8"> <SCRIPT language=javascript>
function openwindow(u,n,w,h)
{
var optionstring = "height=" + h + ",width=" + w + ",menubar=no,titlebar=yes,resizable=yes,scrollbars=no,status=no,toolbar=no";
window.open(u,n,optionstring);
}

var spbw = false;
function ShowBlockerWarning()
{
return spbw;
}

function Init()
{
    if (true == Detect())
    {
        spbw = true;
    }
}

function Detect()
{
    var e = false;
    var pw1 = null;
    var pw2 = null;
    try
    {
        do
        {
            var d = new Date();
            var wName = "ptest_" + d.getTime();
            var testUrl = IsYBI() ? "popupTest.aspx" : "";

            pw1 = window.open(testUrl,wName,"width=0,height=0,left=5000,top=5000",true);
            if (null == pw1 || true == pw1.closed)
            {
                e = true;
                break;
            }
            pw2 = window.open(testUrl,wName,"width=0,height=0");
            if (null == pw2 || true == pw2.closed)
            {
                e = true;
                break;
            }
            if (IsYBI())
            {
                if (pw1 != pw2)
                {
                    e = true;
                    break;
                }
            }
            pw1.close();
            pw2.close();
            pw1 = pw2 = null;
        }
        while(false);
    }
    catch(ex)
    {
        e = true;
    }
    if (null != pw1)
    {
        try { if (!pw1.closed) pw1.close(); } catch(ex){}
    }
    if (null != pw2)
    {
        try { if (!pw2.closed) pw2.close(); } catch(ex){}
    }
    return e;
}

Init();

</SCRIPT>

<SCRIPT language=javascript>
var warningMessage = "检查到使用了弹出窗口阻挡器！Pop-up blocker detected.";
var warningInformation = "请确保浏览器允许本网站打开弹出窗口。";
var g_blockerHtml;
g_blockerHtml = "<div><table border=1 cellspacing=0 cellpadding=0>";
g_blockerHtml += "<tr><td>" + warningMessage + "</td></tr>";
g_blockerHtml += "<tr><td>" + warningInformation + "</td></tr>";
g_blockerHtml += "</table></div>";
</SCRIPT>

</BODY>
</HTML>