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Parent element visibility:hidden; Set visibility:visible for child elements. Are child elements displayed

2022-07-22 10:12:00 【Lu Rongtao】

At this time, the sub elements are displayed , The principle is as follows ：

When you just add visibility：hidden, The child element inherits from the parent element visibility：hidden Value , It will also be hidden with the parent element .
If you add visibility：hidden; At the same time, add visibility：visible, Child elements are displayed . reason ： Add to child element visibility：visible Is greater than that added by the parent element visibility：hidden Of . Therefore, priority should be given to the execution of sub elements visibility：visible attribute .

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