var u = navigator.userAgent,
app = navigator.appVersion;
var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Linux') > -1; //g
var isIOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios終端
if (isAndroid) {
alert("安卓機!")
}
if (isIOS) {
alert("蘋果果機!")
}