When rights management uses mixin, how to reassign the global value in mixin

how do I reassign vue.$user.element?

there is something wrong with my writing. There has been no output of value

.

Mixin vuex vue.js
Mar.04,2021

Previous: Vue imitates ele.me drop-down box, how to bind the value in slot

Next: How to get the status of whether Git can be fast forward merge by scripting

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
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-64f5-1bf0535-31d08.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bf0535-31d08.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?