The attributes under window are used in the react component. If window is omitted, an error will be reported.

this is that I introduced jquery, into index.html. If the component uses $directly, it will report an error, but window.$ will be fine.
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Mar.06,2021

. Your question. AHA

1. : `eslint`
2. : `eslint``global``$`
3. : `eslint``env``jquery`
4. :`jquery`

check more. And since you used react , why use jquery .
finally, all the window.$ works, it should be the eslint configuration in your construction tool that writes window is a global object.


the answer upstairs is perfect

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-64f5-7c3cee-1fca8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-7c3cee-1fca8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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