Question

设计一组html单选框，能返回选中项的值

Answer 1

<script>
var showVal = function(){
var rg = document.getElementsByName("group1");
for(var i=0;i<rg.length;i++){
if(rg[i].checked){
//alert(rg[i].value);
return rg[i].value;
}
}
}
</script>
<input type="radio" name="group1" value="1" checked />选项1
<input type="radio" name="group1" value="2" />选项2
<input type="radio" name="group1" value="3" />选项3
<input type="button" value="Show值" onclick="showVal()" />

Answer 2

..............不错