<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<title></title>
<script src="js/mui.min.js"></script>
<link href="css/mui.min.css" rel="stylesheet" />
<script type="text/javascript" charset="utf-8">
mui.init();
</script>
</head>
<body>
<header class="mui-bar mui-bar-nav">
<!--顶部导航栏-带返回键-->
<a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a>
<h1 class="mui-title">测试属性checkbox</h1>
</header>
<div class="mui-content">
<div class="mui-input-row mui-radio mui-left"><!--mui-left表示复选框在左侧-->
<label>王者</label>
<input name="checkbox1" value="王者" type="radio" class="rds"><!--checked="checked"默认选中;class="rds"方便获取dom节点-->
</div>
<div class="mui-input-row mui-radio mui-left"><!--mui-radio单选框-->
<label>搬砖</label>
<input name="checkbox1" value="搬砖" type="radio" class="rds"><!--注意单选框的name必须一致，表示是一个组内的选项-->
</div>
<button type="button" onclick="getVals();">获取值</button>
</div>
<script type="text/javascript">
function getVals(){
var res = getRadioRes('rds');
if(res == null){
mui.toast('请选择');
return;
}
mui.toast(res);
}
function getRadioRes(className){
var rdsObj = document.getElementsByClassName(className);/*获取值*/
/*alert(rdsObj.length);测试一下找到几个节点*/
var checkVal = null;
for(i = 0; i< rdsObj.length; i++){
if(rdsObj[i].checked){
checkVal = rdsObj[i].value;
}
}
return checkVal;
}
</script>
</body>
</html>
来源：https://www.cnblogs.com/fdxjava/p/11072075.html