原生JS单选框二选一

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .labelstyle {
    
    
            font-weight: bolder;
            font-style: normal;
            background-color: white;
            width: 330px;
            height: 60px;
        }

        .btn {
    
    
            display: inline-block;
            padding: 6px 12px;
            margin-bottom: 0;
            font-size: 14px;
            font-weight: normal;
            line-height: 1.428571429;
            text-align: center;
            white-space: nowrap;
            vertical-align: middle;
            cursor: pointer;
            background-image: none;
            border: 1px solid transparent;
            border-radius: 4px;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            -o-user-select: none;
            user-select: none;
            width: 100%;
        }

        .btn-primary {
    
    
            color: #ffffff;
            background-color: #428bca;
            border-color: #357ebd;
        }
        .checkbox{
    
    
            margin: 10px;
            margin-bottom: 20px;
        }
    </style>
</head>

<body>
    <div>
        <div class="labelstyle">
            <label>xxx投票页面</label>
        </div>
        <div class="checkbox">
            <label><input type="radio" name="only" class='checkbox' onclick="choose(this)">同意</label>
        </div>
        <div class="checkbox">
            <label><input type="radio" name="only" class='checkbox' onclick="choose(this)">不同意</label>
        </div>
        <div>
            <button class="btn btn-primary">投票</button>
        </div>

    </div>
    <script>
        function choose(obj) {
    
    
            var only = document.getElementsByName("only");
            for (var i = 0; i < only.length; i++) {
    
    
                only[i].checked = false;
            }
            obj.checked = true;
        }
    </script>
</body>

</html>

界面如下:
在这里插入图片描述

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转载自blog.csdn.net/qq_42526440/article/details/113483404
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