Why can't the subscript be taken in a situation like react?

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as shown above

Aug.27,2021

this k should be k of the above array loop. You add a parameter to this onMouseEnter . Here k is the default event object event . Just remove k after onMouseEnter .

onMouseEnter={()=>console.log(k)}
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-64f5-1bf87f0-4668f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf87f0-4668f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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