var ua = navigator.userAgent; var result = document.getElementById('result'); result.innerHTML = ua + "<br>"; if( ua.search(/Android 2.1/) != -1 ) { result.innerHTML += "Android 2.1"; } else if( ua.search(/Android 2.2/) != -1 ){ result.innerHTML += "Android 2.2"; } else if( ua.search(/Android 2.3/) != -1 ){ result.innerHTML += "Android 2.3"; } if( ua.search(/Android/) != -1 ){ result.innerHTML +=