How to return qualified elements in an array

for example,
["1", "]
I want to get the element in the array that is not", that is, the return result is" 1 "

.
Feb.27,2021

["1","","","",""].filter(v=>v!="")

filter.


  

fiter

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-64f5-1b31630-2bd83.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b31630-2bd83.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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