<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>判斷IE瀏覽器版本</title>
</head>
<body>
<script>
var browser = navigator.appName;
var appVersion = navigator.appVersion;
var version = appVersion.split(";");
var trim_Version = version[1].replace(/[ ]/g, "");
if(browser == "Microsoft Internet Explorer" && trim_Version.indexOf("MSIE") != -1){
var trim_VersionNum = trim_Version.substring(4);
console.log(trim_VersionNum)
if(trim_VersionNum < 9){
console.log("ie9以下瀏覽器");
}
else{
console.log('IE:' + trim_VersionNum);
}
}
</script>
</body>
</html>
