Loop highlighting in echart's line chart, that is, every 5 seconds, one line brightens and the rest darkens.

cycle highlighting in echart"s line chart, that is, every 5 seconds, one line brightens and the rest darkens.

Mar.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-64f5-1e3f528-4483d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e3f528-4483d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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