function go3(){
var aaa=document.getElementsByName("send_resource");
for(var i=0;i<aaa.length;i++){
if(aaa[i].checked==true){
var b=aaa[i].value
alert(document.getElementsByName(b)[0].value)
}
}
}
<input name="send_resource" type="radio" value="hz" checked>hz
<input name="hz" value="20" type="hidden">
<input name="send_resource" type="radio" value="gz">gz
<input name="gz" value="50" type="hidden">
<INPUT TYPE="button" value="go3" onclick="go3()">
var aaa=document.getElementsByName("send_resource");
for(var i=0;i<aaa.length;i++){
if(aaa[i].checked==true){
var b=aaa[i].value
alert(document.getElementsByName(b)[0].value)
}
}
}
<input name="send_resource" type="radio" value="hz" checked>hz
<input name="hz" value="20" type="hidden">
<input name="send_resource" type="radio" value="gz">gz
<input name="gz" value="50" type="hidden">
<INPUT TYPE="button" value="go3" onclick="go3()">
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