Microsoft JScript
-= Operator
Language Reference
Version 1

See Also


Description
Used to subtract the value of an expression from a variable.
Syntax

result -= expression The -= operator syntax has these parts:

Part Description
result Any numeric variable.
expression Any numeric expression.
Remarks
Using the -= operator is exactly the same as doing the following:

result = result - expression


For information on when a run-time error is generated by the - operator, see the Operator Behavior table.


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