<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<title>DOM_radio练习</title>
<style type="text/css">
#div_id_1{
display:none;
}
#ul_id_1{
list-style:none;
margin:0px;
}
.close{
display:none;
}
.open{
display:block;
}
</style>
＝＝＝＝＝＝＝＝＝＝＝＝＝＝我是分割线＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
/*
* 需求：根据所选的单选按钮，展开显示相应的结果
*/
<script type="text/javascript">
function showResult(){
//1,要先判断是否有答案被选中。
//2,获取所有fruit的radio。并遍历判断checked状态。
var collFruit = document.getElementsByName("fruit");
var flag = false;
var score;
for(var x=0; x<collFruit.length; x++){
if(collFruit[x].checked){
flag = true;
score = collFruit[x].value;
break;
}
}
var oSpan=document.getElementById("span_id_err");
if(!flag){
oSpan.innerHTML = "还没选答案呢！".fontcolor("red");
return;
}
oSpan.innerHTML = "";
var oDiv_r1=document.getElementById("div_result_id_1");
var oDiv_r2=document.getElementById("div_result_id_2");
if(score>=1 && score<=3){
oDiv_r1.className = "open";
oDiv_r2.className = "close";
}
else{
oDiv_r1.className = "close";
oDiv_r2.className = "open";
}
}
</script>
</head>
<body>
<div>
欢迎参与性格测试：您喜欢的水果是什么？
<ul id="ul_id_1">
<li><input type="radio" name="fruit" value="1" />葡萄</li>
<li><input type="radio" name="fruit" value="2" />西瓜</li>
<li><input type="radio" name="fruit" value="3" />苹果</li>
<li><input type="radio" name="fruit" value="4" />芒果</li>
<li><input type="radio" name="fruit" value="5" />樱桃</li>
</ul>
</div>
<div>
<input type="button" value="查看测试结果" onclick="showResult()" />
<span id="span_id_err"></span>
<div id="div_result_id_1" class="close">1-3分：你的性格内向，建议...</div>
<div id="div_result_id_2" class="close">4分以上：你的性格外向，建议...</div>
</div>
＝＝＝＝＝＝＝＝＝＝＝＝＝＝我是分割线＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
/*
* 需求：点击单选按钮是 展开，否关闭！
*/
<script type="text/javascript">
function show_2(oRadio){
var oDiv = document.getElementById("div_id_1");
with(oDiv.style){
if(oRadio.value=="yes"){
display = "block";
}else{
display = "none";
}
}
}
function show_1(oRadio){
var oDiv = document.getElementById("div_id_1");
if(oRadio.value=="yes"){
oDiv.style.display = "block";
}else{
oDiv.style.display = "none";
}
}
</script>
<div>
您要参与问卷调查吗：
<input type="radio" name="1" value="yes" onclick="show_2(this)" />是
<input type="radio" name="1" checked="checked" onclick="show_2(this)" />否
</div>
<div id="div_id_1">
问卷调查内容：<br/>
您的姓名：<input type="text" /><br>
您的邮箱：<input type="text" />
</div>
</body>
</html>
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