if(location.href.indexOf("http://www.49028c.com/codes/")>-1){
alert('ok');
}

var Cts = "bblText";
if(Cts.indexOf("Text") >= 0 )
{
alert('Cts中包含Text字符串');
}

function IndexDemo(str2){
var str1 = "BABEBIBOBUBABEBIBOBU"
var s = str1.indexOf(str2);
return(s);
}

function IndexDemo(str2){
var str1 = "BABEBIBOBUBABEBIBOBU"
var s = str1.indexOf(str2);
return(s);
}