코드 :

if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {

var url="https://365ok.co.kr/";
var title="웹학교";

document.write('Add our site to your favorites!');
}
else {
var msg = "Don't forget to bookmark us!";
if(navigator.appName == "Netscape") msg += " (Ctrl-D)";
document.write(msg);
}