This section will provide an overview of all the most basic features of the language including operators, which perform actions on data, statements, which are the smallest standalone elements of the language, and comments, which provide information to the developer. This appendix corresponds to Chapters 3 and 4 in the text.
1 + 3 − 2
Table A.1. List of Operators
Modulus operator first divides the left value by the right and returns only the remainder.
Multiplies the left operand by the right operand. If either is a string, it is first converted to a number.
When both values are numeric, the two values are summed together.
Adds one to the numeric value either before or after it is used in the operation.