Multiplication assignment (*=) - JavaScript 编辑

The multiplication assignment operator (*=) multiplies a variable by the value of the right operand and assigns the result to the variable.

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Syntax

Operator: x *= y
Meaning:  x  = x * y

Examples

Using multiplication assignment

// Assuming the following variable
//  bar = 5

bar *= 2     // 10
bar *= 'foo' // NaN

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• Assignment operators in the JS guide
• Multiplication operator