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Exponentiation assignment (**=)

The exponentiation assignment operator (**=) raises the value of a variable to the power of the right operand.

Try it

Syntax

x **= y // x = x ** y

Examples

Using exponentiation assignment

// Assuming the following variable
//  bar = 5

bar **= 2     // 25
bar **= 'foo' // NaN

Specifications

Browser compatibility

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Exponentiation_assignment
52
14
52
No
39
10.1
51
52
52
41
10.3
6.0
1.0
7.0.0
6.5.0

See also

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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Exponentiation_assignment