Is there any difference between perspective (0.5em) and perspective: 0.5em?

ransform:  scale(1.1,1.3) perspective(0.5em) rotateX(2.2deg);
perspective: 0.5em;
transform:  scale(1.1,1.3) rotateX(2.2deg);

the effects of the two writing methods are different, what"s the difference?

Apr.21,2022
There is no difference between

perspective (0.5em) and perspective: 0.5em.
if there is only one element in the page, adding a perspective:0.5em; effect to the parent element is the same as adding transform:perspective (0.5em) to yourself;
however, if there are multiple elements in the page, the difference is reflected.
when adding a perspective:0.5em; attribute to the parent element, it looks at all the child elements from a point of view of the parent element, so the style of each child element you see is different. you can take a look at this article

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-64f5-1b34b04-342e3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b34b04-342e3.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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