Swap

SWF Action
Action Category: 
Stack
Action Details: 
0
Action Identifier: 
77
Action Structure: 
<n.a.>
Action Length: 
0 byte(s)
Action Stack: 
pop 2 (a), push 2 (a)
Action Operation: 
a1 := pop();
a2 := pop();
push(a1);
push(a2);
Action Flash Version: 
5
See Also: 

Pop two items and push them back the other way around.

This action is very useful when you just called a function and need to swap that parameter with the previous function call when all you should have to do is call.