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。

Meta is transferring its popular open-source JavaScript testing framework, Jest, to the OpenJS Foundation. Jest is one of Meta's top open-source projects and has proven a popular tool for testing ...

Google’s mobile-friendly and rich results testing tools have been updated with features designed for developers of JavaScript sites. Among these features is the ability to show rendered HTML, which ...