Subtraction Assignment Operator (-=) (Windows Scripting - JScript)
Subtracts the value of an expression from the value of a variable and assigns the result to the variable.
Syntax
result -= expression
Arguments
result
Any numeric variable.expression
Any numeric expression.
Remarks
Using the -= operator is exactly the same as doing the following:
result = result – expression
Requirements
See Also
Subtraction Operator (-) (Windows Scripting - JScript)
Operator Precedence (Windows Scripting - JScript)
Operator Summary (Windows Scripting - JScript)