freeCodeCamp/curriculum/challenges/spanish/02-javascript-algorithms-an.../intermediate-algorithm-scri.../sum-all-numbers-in-a-range....

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---
id: a3566b1109230028080c9345
title: Sum All Numbers in a Range
isRequired: true
challengeType: 5
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videoUrl: ''
localeTitle: Suma todos los números en un rango
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---
## Description
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<section id="description"> Te pasaremos una serie de dos números. Devuelve la suma de esos dos números más la suma de todos los números entre ellos. El número más bajo no siempre vendrá primero. Recuerda usar <a href="http://forum.freecodecamp.org/t/how-to-get-help-when-you-are-stuck/19514" target="_blank">Read-Search-Ask</a> si te atascas. Trate de emparejar el programa. Escribe tu propio código. </section>
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## Instructions
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<section id="instructions">
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</section>
## Tests
<section id='tests'>
```yml
tests:
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- text: '<code>sumAll([1, 4])</code> debe devolver un número.'
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testString: 'assert(typeof sumAll([1, 4]) === "number", "<code>sumAll([1, 4])</code> should return a number.");'
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- text: '<code>sumAll([1, 4])</code> debe devolver 10.'
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testString: 'assert.deepEqual(sumAll([1, 4]), 10, "<code>sumAll([1, 4])</code> should return 10.");'
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- text: '<code>sumAll([4, 1])</code> debe devolver 10.'
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testString: 'assert.deepEqual(sumAll([4, 1]), 10, "<code>sumAll([4, 1])</code> should return 10.");'
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- text: '<code>sumAll([5, 10])</code> debe devolver 45.'
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testString: 'assert.deepEqual(sumAll([5, 10]), 45, "<code>sumAll([5, 10])</code> should return 45.");'
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- text: '<code>sumAll([10, 5])</code> debe devolver 45.'
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testString: 'assert.deepEqual(sumAll([10, 5]), 45, "<code>sumAll([10, 5])</code> should return 45.");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function sumAll(arr) {
return 1;
}
sumAll([1, 4]);
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```
</div>
</section>
## Solution
<section id='solution'>
```js
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// solution required
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```
</section>