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MSDN Library

Modulus Assignment Operator (%=) (JavaScript)

Divides the value of a variable by the value of an expression, and assigns the remainder to the variable.

result %= expression

result

Any variable.

expression

Any numeric expression.

Using the %= operator is exactly the same as specifying:

result = result % expression

Supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards. See Version Information.

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