How does the plug-in jquery multiselect get the selected value?

plugin address: http://loudev.com/-sharphome

how does this get the selected value?

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May.22,2021
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-64f5-1b3789a-2c095.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3789a-2c095.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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