Check-form - Related information

• Why does the verification pass or fail? the value of required is undefind, so I can't judge whether the verification is successful or not.

  < input name= " " type= "text " required > ...

  Check-form jquery html5

  Mar.10,2021
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-64f5-2457f0e-c9d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-2457f0e-c9d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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