there is a table, the requirement is that the header is fixed, tbody can slide. Because the overflow-y is not valid for the tbody tag, the outer layer adds the div, to the div and the {overflow-y: scroll;overflow-x: hidden;-webkit-overflow-scrolling: touch;} attribute, which can be scanned normally with the mouse on the PC side, but it occasionally fails on the mobile side, and the whole page is stuck, and then it will be fine after a while. What"s going on?
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A timing examination system is triggered if the click event is triggered within 5 seconds, and if it is not triggered, the system marks the correct answer at the end of the countdown. How to implement ...
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do the gods have plug-ins for uploading attachments in the mobile version that can also be uploaded more than one? ...
what is the current level of support for vw,vh layouts in mobile browsers? ...
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