<input type="radio"  value="#00CC00" name="device">
 
js寫法
let inputs = document.getElementsByName("device");
for (var i = 0; i < inputs .length; i++) {
if (inputs [i].checked) {
//XXXX
}
jquery寫法:
var val=$('input:radio[name="device"]:checked').val();
if(val){
//XXXX
}