How does the elementui table merge the last three columns of each row?

how does the elementui table merge the last three columns of each row? I saw api, but I still don"t know

5td

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Mar.16,2021

table has a span-method attribute, example of parallelism or columns on the official website

clipboard.png
arraySpanMethodcolumnIndex0rowspancolspancolspan3

update:
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columnIndex45rowspancolspan0:
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https://jsfiddle.net/2c5uedjb/1/


how to merge the last three and what functions you want to achieve.

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-64f5-1e3c568-446aa.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e3c568-446aa.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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