jQuery 多类 选择器
定义和用法
可以使用 .class 选择器来选择多个类。
注意： 用逗号分隔每个类。
注意： 类属性不要以数字开头。这可能会在某些浏览器中导致问题。
语法
$(".class1,.class2,.class3,...")
| 参数 | 描述 |
|---|---|
| class | 必需。指定要选择的元素的类 |
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