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<html>
<head>
<Script Language="JavaScript">
function showAnswers()
{
var answers = [];
var j = 0;
for(var i = 0;(e = document.all.FormQuestions.elements[i]);i++){
if(e.type == "radio" && e.checked){
answers[j] = e.value;
j++;
}
}
if(answers.length < 7){
divAnswers.innerHTML = "存在未选择的题目";
return;
}
divAnswers.innerHTML = "";
// 遍历数组
for(var i = 0;(e = answers[i]);i++){
divAnswers.innerHTML += "第" + (i + 1) + "题答案" + e + "<br/>";
}
}
</Script>
</head>
<body>
<form name="FormQuestions" method="post" action="#">
第1题
<input type="radio" name="question1" value="a">a
<input type="radio" name="question1" value="b">b
<input type="radio" name="question1" value="c">c
<input type="radio" name="question1" value="d">d
<input type="radio" name="question1" value="e">e
<br/>
第2题
<input type="radio" name="question2" value="a">a
<input type="radio" name="question2" value="b">b
<input type="radio" name="question2" value="c">c
<input type="radio" name="question2" value="d">d
<input type="radio" name="question2" value="e">e
<br/>
第3题
<input type="radio" name="question3" value="a">a
<input type="radio" name="question3" value="b">b
<input type="radio" name="question3" value="c">c
<input type="radio" name="question3" value="d">d
<input type="radio" name="question3" value="e">e
<br/>
第4题
<input type="radio" name="question4" value="a">a
<input type="radio" name="question4" value="b">b
<input type="radio" name="question4" value="c">c
<input type="radio" name="question4" value="d">d
<input type="radio" name="question4" value="e">e
<br/>
第5题
<input type="radio" name="question5" value="a">a
<input type="radio" name="question5" value="b">b
<input type="radio" name="question5" value="c">c
<input type="radio" name="question5" value="d">d
<input type="radio" name="question5" value="e">e
<br/>
第6题
<input type="radio" name="question6" value="a">a
<input type="radio" name="question6" value="b">b
<input type="radio" name="question6" value="c">c
<input type="radio" name="question6" value="d">d
<input type="radio" name="question6" value="e">e
<br/>
第7题
<input type="radio" name="question7" value="a">a
<input type="radio" name="question7" value="b">b
<input type="radio" name="question7" value="c">c
<input type="radio" name="question7" value="d">d
<input type="radio" name="question7" value="e">e
<br/>
<input type="button" value="显示数组" onclick="showAnswers()">
</form>
<div id="divAnswers"></div>
</body>
</html>
var list=document.getElementsByName("boxes");
var sum=0;
var ID;
for(var i=0;i<list.length;i++)
{
if(list[i].checked)
{
sum++;
id=list[i].value;
}
}
因为只有一个chexckbox被选中,所以我后来取的ID一定是那个唯一被选中的chexckbox的值