Multiplication assignment (*=)

The multiplication assignment (*=) operator performs multiplication on the two operands and assigns the result to the left operand.

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Syntax

js
x *= y

Description

x *= y is equivalent to x = x * y, except that the expression x is only evaluated once.

Examples

Using multiplication assignment

js
let bar = 5;

bar *= 2; // 10
bar *= "foo"; // NaN

let foo = 3n;
foo *= 2n; // 6n

Specifications

Specification
ECMAScript Language Specification
# sec-assignment-operators

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See also