How to expand all of vue-element 's NavMenu navigation menu by default?

< H2 > how to expand all NavMenu navigation menus of vue-element by default? < / H2 >

where can I modify the question?

Css html5 javascript react.js vue.js
Jul.08,2022

clipboard.png

the combination of these three parameters is fine

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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-64f5-1bb4d42-2f6b2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bb4d42-2f6b2.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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