The global bridge object of jsBridge is injected asynchronously. How to listen?

the global bridge object of jsBridge is injected asynchronously. How to listen? The page can be rendered only after the injection is successful. Thank you

Mar.17,2021
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-64f5-1eb6271-5d3cc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1eb6271-5d3cc.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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