Javascript 在操作情况下获取单选按钮的选定值
您好,下面是代码,我已经尝试了很多方法,但是我无法获得所选单选按钮的值。正如您所看到的,我需要在不同的情况下获得该值Javascript 在操作情况下获取单选按钮的选定值,javascript,html,radio-button,Javascript,Html,Radio Button,您好,下面是代码,我已经尝试了很多方法,但是我无法获得所选单选按钮的值。正如您所看到的,我需要在不同的情况下获得该值 <div style="display: inline-block"> <div> <a href="/Login/LogOut">Log Out</a><span> Welcome </span>YS User 1 noName </d
<div style="display: inline-block">
<div>
<a href="/Login/LogOut">Log Out</a><span> Welcome </span>YS User 1 noName </div>
<br />
<br />
<br />
<br />
<input type="button" onclick="submitCreate();" value="New Survey" /><br />
<input type="button" onclick="submitEdit();" value="Edit Survey" /><br />
<input type="button" onclick="submitDelete();" value="Delete Survey" /><br />
<input type="button" onclick="submitPreview();" value="Preview Survey" />
</div>
<div style="display: inline-block">
<div>
<table class="MyTable"><thead><tr class="columnHead"><th scope="col"></th><th scope="col"><a href="/User/Index?sort=UserID&sortdir=ASC">CreatedBy</a></th><th scope="col"><a href="/User/Index?sort=CreatedDate&sortdir=ASC">Created Date</a></th><th scope="col"><a href="/User/Index?sort=IsRunning&sortdir=ASC">Is Running</a></th></tr></thead><tbody><tr><td> <input name="selected" id="1"
type="radio" value="1" /></td><td>1</td><td>12/12/2011 3:43:57 PM</td><td>False</td></tr><tr class="altRow"><td> <input name="selected" id="2"
type="radio" value="2" /></td><td>1</td><td>12/13/2011 4:42:37 PM</td><td>False</td></tr><tr><td> <input name="selected" id="3"
type="radio" value="3" /></td><td>1</td><td>12/13/2011 6:27:38 PM</td><td>False</td></tr></tbody></table>
</div>
</div>
</body>
</html>
<script type="text/javascript">
// var value = $$('input[name=selected]:checked')[0].get('value');
// var selectFoo;
// $$('input[name=selected]').each(function (el) {
// if (el.checked == true) {
// selectFoo = el.value;
// }
// });
function getCheckedValue(radioObj) {
if (!radioObj)
return "";
var radioLength = radioObj.length;
if (radioLength == undefined)
if (radioObj.checked)
return radioObj.value;
else
return "";
for (var i = 0; i < radioLength; i++) {
if (radioObj[i].checked) {
return radioObj[i].value;
}
}
return "";
};
function submitCreate() {
var adress = "/User/CreateSurvey/";
document.location = adress;
};
function submitEdit() {
var adress = "/Den/Index/" + getCheckedValue('selected');
document.location = adress;
};
function submitDelete() {
var adress = "/User/DeleteSurvey/" + getCheckedValue('selected');
document.location = adress;
};
function submitPreview() {
var adress = "/User/PreviewSurvey/" + getCheckedValue('selected');
document.location = adress;
};
</script>
欢迎YS用户1 noName
112/12/2011 3:43:57 PMFalse 112/13/2011 4:42:37 PMFalse 112/13/2011 6:27:38 PMFalse
//var value=$$('input[name=selected]:checked')[0]。获取('value');
//var-selectFoo;
//$$('input[name=selected]')。每个(函数(el){
//如果(el.checked==真){
//选择foo=el.value;
// }
// });
函数getCheckedValue(radioObj){
如果(!radioObj)
返回“”;
var radioLength=radioObj.长度;
如果(放射长度==未定义)
如果(无线电目标检查)
返回radioObj.value;
其他的
返回“”;
对于(var i=0;i
您可以使用()
或(“输入”)
获取输入元素数组。循环检查这些元素以检查哪个元素被选中
下面是一个示例,说明如何从一组名为“selected”的单选按钮中获取选中按钮的值:
函数get_radio_value(){
var输入=document.getElementsByName(“选定”);
对于(变量i=0;i
2
3
我为所需的函数选择let number of code。下面是api.jquery.com上为我提供的一个示例。希望这能帮助别人
HTML
变量selectedOption将包含所选单选按钮(即o1或o2)的值。这对我很有帮助,但这并不是我所期待的。我已经用那个密码解决了问题。希望它能帮助别人。。。函数get_radio_value(){for(var i=0;i
<html>
<head>
<script type="text/javascript">
function get_radio_value() {
var inputs = document.getElementsByName("selected");
for (var i = 0; i < inputs.length; i++) {
if (inputs[i].checked) {
return inputs[i].value;
}
}
}
function onSubmit() {
var id = get_radio_value();
alert("selected input is: " + id);
}
</script>
</head>
<body>
<form onsubmit="onSubmit();">
<input name="selected" value="1" type="radio"/>1<br/>
<input name="selected" value="2" type="radio"/>2<br/>
<input name="selected" value="3" type="radio"/>3<br/>
<input type="submit" value="submit"/>
</form>
</body>
</html>
<input type="radio" name="option" value="o1">option1</input>
<input type="radio" name="option" value="o2">option2</input>
var selectedOption = $("input:radio[name=option]:checked").val()