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Showing content from https://developer.cdn.mozilla.net/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/exp below:

Math.exp() - JavaScript | MDN

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The Math.exp() static method returns e raised to the power of a number. That is

console.log(Math.exp(0));
// Expected output: 1

console.log(Math.exp(1));
// Expected output: 2.718281828459 (approximately)

console.log(Math.exp(-1));
// Expected output: 0.36787944117144233

console.log(Math.exp(2));
// Expected output: 7.38905609893065

A nonnegative number representing e^x, where e is the base of the natural logarithm.

Because exp() is a static method of Math, you always use it as Math.exp(), rather than as a method of a Math object you created (Math is not a constructor).

Beware that e to the power of a number very close to 0 will be very close to 1 and suffer from loss of precision. In this case, you may want to use Math.expm1 instead, and obtain a much higher-precision fractional part of the answer.

Math.exp(-Infinity); // 0
Math.exp(-1); // 0.36787944117144233
Math.exp(0); // 1
Math.exp(1); // 2.718281828459045
Math.exp(Infinity); // Infinity

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