for a while, you can use
var $x=1
var $y=1
if not $x or not $y
# nothing
else
# then, condition here is
# $x=1 AND $y=1
endif
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var $y=1
if not $x or not $y
# nothing
else
# then, condition here is
# $x=1 AND $y=1
endif
Copy code