How fabricJS limits the maximum and minimum reduction of the active object method

When the

fabricJS object is activated, how does the zoom button in the lower right corner of the object limit its maximum and minimum value? when the condition is exceeded, the button function becomes invalid

Mar.09,2021
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-64f5-1b347a0-2bf0b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b347a0-2bf0b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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