TypeOf

• Action Code: 0x44
• Stack: 1 → 1
• SWF version: 5

Abstract AS2

@t0 = @pop();
@push(typeof @t0);

Adobe documentation

ActionToString

ActionTypeOf pushes the object type to the stack, which is equivalent to the ActionScript TypeOf() method. The possible types are:

• number
• boolean
• string
• object
• movieclip
• null
• undefined
• function

Field	Type	Comment
ActionTypeOf	ACTIONRECORDHEADER	ActionCode = 0x44

ActionTypeOf does the following:

1. Pops the value to determine the type of off the stack.
2. Pushes a string with the type of the object on to the stack.