在JavaScript中，可通过检查单选框的checked属性是否为true来判断其是否被选中，对多个单选框可采用for循环逐一检测，进而实现状态判断功能。 3、 在表单中添加三个类型为radio的输入项，分别为其设置唯一的id，以便后续通过id获取对应的input元素对象，实现选项的独立控制与操作。

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Eskom and its generation and grid dynamics will likely be a key talking point at this year's Joburg Indaba, says professional ...