Vue calls variables defined in index

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I asked the group that I could actually list vue as a variable, and then vm.value=xx
when I clicked, but I didn"t understand.

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-64f5-1e920d7-460ec.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e920d7-460ec.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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