<tr>
<td><input type="radio" value="https://bbs.csdn.net/topics/1" name="answer" id="answer">沒有(根本不/從來沒有)</td>
<td><input type="radio" value="https://bbs.csdn.net/topics/2" name="answer" id="answer">很少(有一點/偶爾)</td>
<td><input type="radio" value="https://bbs.csdn.net/topics/3" name="answer" id="answer">有時(有些/少數時間)</td>
<td><input type="radio" value="https://bbs.csdn.net/topics/4" name="answer" id="answer">經常(相當/多數時間)</td>
<td><input type="radio" value="https://bbs.csdn.net/topics/5" name="answer" id="answer">總是(非常/每天)</td>
</tr>
<tr>
<td><input type="submit" onclick="aaa()"></td>
</tr>
</table>
</div>
</body>
<script type="text/javascript">
function aaa() {
var a = document.getElementById('answer').value;
alert(a);
}
我點擊所有的選擇框，值永遠是‘1’呢，
uj5u.com熱心網友回復：
JS中換種寫法，參考如下：uj5u.com熱心網友回復：
<script type="text/javascript">function aaa() {
var obj = document.getElementsByName("answer");
for(var i=0; i<obj.length; i ++){
if(obj[i].checked){
alert(obj[i].value);
}
}
}
</script>
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標籤：Web 開發