JavaScript中判断动态radio数据是否被选中完美解决方案

function checkme(){
  var value = "";
  var vIds = document.getElementsByName("ids");
  for(i = 0; i < vIds.length; i++){
   if(vIds[i].checked == true){
    value = vIds[i].value;
   }
  }
  return value;
 }