MACROMEDIA FLEX-FLEX ACTIONSCRIPT LANGUAGE Reference page 238

}
}
trace(factorial(4));
arguments.caller
Availability
Flash Player 6.
Usage
arguments.caller:Function
Description
Property; refers to the calling function. The value of this property is
was not called by another function.
Example
The following example defines two functions—a caller function, named function1, which calls a
another function, named function2:
// define the caller function, named function1
var function1:Function = function () {
function2("hello from function1");
}
// define the callee function, named function2
var function2:Function = function (aString:String) {
if (arguments.caller == function1) {
trace("function2 was called by function1");
trace(aString);
}
}
// call function1
function1();
/*
Output:
function2 was called by function1
hello from function1
*/
arguments.length
Availability
Flash Player 5.
Usage
arguments.length:Number
238 Chapter 6: ActionScript Core Classes
// output: 24
if the current function
null