var isIE=!!window.ActiveXObject
var isIE6= isIE&&!window.XMLHttpRequest;
var isIE8=isIE&&!!document.documentMode;
var isIE7=isIE&&!isIE6&&!isIE8;
if (isIE){
if (isIE6)
Alert("ie6");
}else if (isIE8){
alert("ie8")
}else if (isIE7){
alert("ie7");
}
}
----------------------------------- ------- ----------------- ----
if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match (/6./i)=="6."){
alert("IE 6")
}
else if(navigator .appName == "Microsoft Internet Explorer" && navigator.appVersion .match(/7./i)=="7."){
alert("IE 7")
}
else if (navigator.appName == "Microsoft Internet Explorer" && navigator .appVersion.match(/8./i)=="8."){
alert("IE 8")
}
else if(navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.match(/9./i)=="9."){
alert("IE 9")
}
------ ------------------------ ------------- -------------
if(navigator.userAgent.indexOf("Opera") != -1) {
alert('Opera');
}
else if (navigator.userAgent.indexOf("MSIE") != -1) {
alert('Internet Explorer')
}
else if(navigator.userAgent.indexOf("Firefox") != -1) {
alert('Firefox')
}
else if(navigator.userAgent.indexOf("Netscape" ) != -1) {
alert('Netscape');
}
else if(navigator.userAgent.indexOf("Safari") != -1) {
alert('Safari ');
}
else{
alert( '인식할 수 없는 브라우저입니다. ');
}
------------------------------- --- ---------------------------------- ---
if(! 'v1' && !'1'[0 ]){
alert("ie6 또는 ie7")
}