---
title: Evaluate binomial coefficients
id: 598de241872ef8353c58a7a2
challengeType: 5
videoUrl: ''
localeTitle: ''
---

## Description
undefined

## Instructions
undefined

## Tests
<section id='tests'>

```yml
tests:
  - text: ''
    testString: 'assert(typeof binom === "function", "<code>binom</code> is a function.");'
  - text: ''
    testString: 'assert.equal(binom(5, 3), 10, "<code>binom(5,3)</code> should return 10.");'
  - text: ''
    testString: 'assert.equal(binom(7, 2), 21, "<code>binom(7,2)</code> should return 21.");'
  - text: ''
    testString: 'assert.equal(binom(10, 4), 210, "<code>binom(10,4)</code> should return 210.");'
  - text: ''
    testString: 'assert.equal(binom(6, 1), 6, "<code>binom(6,1)</code> should return 6.");'
  - text: ''
    testString: 'assert.equal(binom(12, 8), 495, "<code>binom(12,8)</code> should return 495.");'

```

</section>

## Challenge Seed
<section id='challengeSeed'>

<div id='js-seed'>

```js
function binom (n, k) {
  // Good luck!
}

```

</div>



</section>

## Solution
<section id='solution'>

```js
// solution required
```
</section>