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JavaScript - Math.pow() method example
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Math.pow() is a static method that returns a base raised to the power of the exponent (value^exponent operation).
// ONLINE-RUNNER:browser;
// base exponent
console.log( Math.pow( 1 , 2 ) ); // 1
console.log( Math.pow( 2 , 2 ) ); // 4
console.log( Math.pow( 3 , 2 ) ); // 9
console.log( Math.pow( 0 , 3 ) ); // 0
console.log( Math.pow( 0.5, 0.3 ) ); // 0.8122523963562356
console.log( Math.pow( -1 , 4 ) ); // 1
console.log( Math.pow( 0 , -0.4 ) ); // Infinity
console.log( Math.pow( -0.5, -2 ) ); // 4
console.log( Math.pow( -2.0, -2 ) ); // 0.25
console.log( Math.pow( 2.0 , 0.5 ) ); // 1.4142135623730951
1. Documentation
| Syntax | Math.pow(base, exponent) |
| Parameters |
The method takes integer or float number arguments (primitive values).
|
| Result |
|
| Description | pow is a static method that returns a base raised to the power of the exponent (value^exponent operation). |
2. Exponentiation operator (**) example
// ONLINE-RUNNER:browser;
console.log( 1 ** 2 ); // 1
console.log( 2 ** 2 ); // 4
console.log( 3 ** 2 ); // 9
console.log( 0 ** 3 ); // 0
console.log( 0.5 ** 0.3 ); // 0.8122523963562356
console.log( (-1) ** 4 ); // 1
console.log( 0 ** -0.4 ); // Infinity
console.log( (-0.5) ** -2 ); // 4
console.log( (-2.0) ** -2 ); // 0.25
console.log( (-2.0) ** 0.5 ); // NaN
Note: this feature has been introduced in ES2016.