Bootstrap4 Collapse组件取消自动合并其它SECTION的方法

Bootstrap4 Collapse组件在打开某个Section的时候会自动合并其它Section,也就是说只能同时打开一个Section,如果需要取消这种设定的话需要做一些简单的处理。

处理方法很简单,只需要找到data-parent属性,给它去掉就可以了。该属性是用来给Section分组的,用来标识本组内的成员,如果去掉这个属性它就作为独立单元处理了。

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