How does FabricJS prevent all objects from being selected?

as the title: there are many objects in my canvas, I want to disable all of them. Please tell me how to do it if you are familiar with it.

Mar.30,2021

canvas.selections=false// uncheck
object.set ('selectable',false) / / single element disables

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-64f5-1c1e0fe-32c0e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1c1e0fe-32c0e.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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