freeCodeCamp/curriculum/challenges/spanish/08-coding-interview-prep/rosetta-code/factorial.spanish.md

title	id	challengeType	videoUrl	localeTitle
Factorial	597b2b2a2702b44414742771	5		Factorial

Description

Escribe una función para devolver el factorial de un número.

El factorial de un número viene dado por:

¡norte! = n * (n-1) * (n-2) * ..... * 1

Por ejemplo: 3! = 3 * 2 * 1 = 6 4! = 4 * 3 * 2 * 1 = 24

Nota: 0! = 1

Instructions

Tests

tests:
  - text: <code>factorial</code> es una función.
    testString: 'assert(typeof factorial === "function", "<code>factorial</code> is a function.");'
  - text: <code>factorial(2)</code> debe devolver un número.
    testString: 'assert(typeof factorial(2) === "number", "<code>factorial(2)</code> should return a number.");'
  - text: <code>factorial(3)</code> debe devolver 6. &quot;)
    testString: 'assert.equal(factorial(3),results[0],"<code>factorial(3)</code> should return 6.");'
  - text: <code>factorial(3)</code> debe devolver 120. &quot;)
    testString: 'assert.equal(factorial(5),results[1],"<code>factorial(3)</code> should return 120.");'
  - text: '<code>factorial(3)</code> debe devolver 3,628,800. &quot;)'
    testString: 'assert.equal(factorial(10),results[2],"<code>factorial(3)</code> should return 3,628,800.");'

Challenge Seed

function factorial (n) {
  // Good luck!
}

After Test

console.info('after the test');

Solution

// solution required