js radio（一）
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取页面的值
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<script>? ?
function choosedWhat(radio){? ?
for(var i=0;i<radio.length;i++) {? ?
??if(radio[ i].checked){? ?
? ?alert("you choose " + radio[ i].nextSibling.nodeValue + " radio button");
?? ??}? ?
}? ?
}? ?
</script>? ?
<INPUT type=radio name="radio" CHECKED>1-10 years old
<button onclick="choosedWhat(radio)">View</button>
