Chapter 4
Operators and Expressions

An operator is essentially a predefined function that is a part of the WMLScript language. Unlike custom functions, you do not need to define the behavior of operators, you simply use them in your programs. Operator overloading is not allowed.

An expression is any combination of operators, constants, literal values, functions, or variable names.

This chapter includes sections covering the following topics:

• Operators

• Expressions