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Math.pow() - JavaScript | MDN

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Math.pow()

20157

Math.pow() baseexponent base^exponent

console.log(Math.pow(7, 3));
// Expected output: 343

console.log(Math.pow(4, 0.5));
// Expected output: 2

console.log(Math.pow(7, -2));
// Expected output: 0.02040816326530612
//                  (1/49)

console.log(Math.pow(-7, 0.5));
// Expected output: NaN

Math.pow(base, exponent)

base

exponent

pow Math Math.pow() Math

Math.pow

js
function raisePower(x, y) {
  return Math.pow(x, y);
}

x 2 y 7 raisePower 1282 7

ECMAScript 2027 LanguageSpecification
# sec-math.pow


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