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Rooted by: Factorial In Javascript
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  • Description

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     Code 
    const factorial = n => n < 2 ? 1 : n * factorial(n - 1);
     Test Cases 
    const chai = require("chai");
const assert = chai.assert;

describe("Solution", function() {
  it("should test for something", function() {
    assert(factorial(0), 1);
    assert(factorial(5), 120);
    assert(factorial(8),40320);
    assert(factorial(15),1307674368000);
  });
});
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  • Code
    • const factorial = n => n <= 1 ? 1 : n * factorial(n - 1);
    • const factorial = n => n < 2 ? 1 : n * factorial(n - 1);