MACROMEDIA FLASH MX 2004-ACTIONSCRIPT LANGUAGE Reference page 1095

or
Availability
Flash 4 . This operator was deprecated in favor of the
Usage
condition1 or condition2
Parameters
condition1,2
Returns
Nothing.
Description
Operator; evaluates
expression is
true
See also
|| (logical OR),
An expression that evaluates to
and
condition1 condition2
.
| (bitwise OR)
|| (logical OR)
or .
true false
, and if either expression is
operator.
, the whole
true
or 1095