MACROMEDIA FLASH 8-LEARNING ACTIONSCRIPT 2.0 IN FLASH Manual page 189

About relational operators
The relational operators take two operands, compare their values, and return a Boolean value.
All of the operators in this table have equal precedence:
Operator Operation performed
Less than
<
Greater than
>
Less than or equal to
<=
Greater than or equal to
>=
Checks prototype chain
instanceof
Checks for object properties
in
For information on using relational operators, see
on page 190.
About equality operators
The equality operators take two operands, compare their values, and return a Boolean value.
All of the operators in this table have equal precedence:
Operator Operation performed
Equality
==
Inequality
!=
Strict equality
===
Strict inequality
!==
For information on using equality operators, see
on page 190.
"Using relational and equality operators"
"Using relational and equality operators"
About operators 189