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I deleted the code
event.target! == el
. The reason is as follows:path.indexOf(el)
If
el
is not inevent.path
,indicates that the click occurred outsideel
!el.contains(event.target)
If
event.target
is not a descendant element ofel
orel
itself,indicates that the click occurred outsideel
Therefore, the additional judgment of
event.target! == el
is not needed.(Forgive my poor english 😂)