Now after Google browser calls webkitRequestFullScreen to enter full-screen mode, can other external elements not be displayed?

I remember that after entering full screen mode in the past, if you set a large enough z-index for external elements, it can be displayed on the upper layer, but now it seems to be completely out of order

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Sep.10,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b34b30-2bf40.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b34b30-2bf40.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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