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subtraction assignment

Summary

Subtracts the value of an expression from the value of a variable and assigns the result to the variable.

Syntax

result -= expression
result
Any numeric variable.
expression
Any numeric expression.

Examples

var x = 5;
var y = 7;
y -= x; // result: y = 2

Remarks

Using the -= operator is exactly the same as doing the following:

result = result - expression

See also

Other articles

Attributions

  • Microsoft Developer Network: Article