下边这段代码是弹出一个提示框,我想让他弹出一个半透明的遮罩层能覆盖住整个网页,或者弹出一张图片也可以,哪位大神帮帮忙function setCookie(cname,cvalue,exdays)
{
var d = new Date();
d.setTime(d.getTime()+(exdays*24*60*60*1000));
var expires = "expires="+d.toGMTString();
document.cookie = cname + "=" + escape(cvalue) + "; " + expires;
}
function getCookie(cname)
{
var name = cname + "=";
var ca = document.cookie.split(';');
for(var i=0; i<ca.length; i++)
{
var c = ca[i].replace(/^\s+/,"");
if (c.indexOf(name)==0)
return unescape(c.slice(name.length));
}
return "";
}
var mytime = getCookie("mytime");
if (mytime=="" || (new Date()).getTime()-mytime>10*60*1000) {
alert("弹出一个遮罩层");
setCookie("mytime",(new Date()).getTime(),1);
}
{
var d = new Date();
d.setTime(d.getTime()+(exdays*24*60*60*1000));
var expires = "expires="+d.toGMTString();
document.cookie = cname + "=" + escape(cvalue) + "; " + expires;
}
function getCookie(cname)
{
var name = cname + "=";
var ca = document.cookie.split(';');
for(var i=0; i<ca.length; i++)
{
var c = ca[i].replace(/^\s+/,"");
if (c.indexOf(name)==0)
return unescape(c.slice(name.length));
}
return "";
}
var mytime = getCookie("mytime");
if (mytime=="" || (new Date()).getTime()-mytime>10*60*1000) {
alert("弹出一个遮罩层");
setCookie("mytime",(new Date()).getTime(),1);
}
解决方案 »
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