How is this kind of object without prototype created?

Today I came across an object without a prototype chain. I wonder how this kind of object was created.

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Sep.17,2021

try Object.create (null) create an object

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-64f5-1e54001-66c1b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e54001-66c1b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?