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---
title: Generate lower case ASCII alphabet
id: 5a23c84252665b21eecc7e7a
challengeType: 5
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videoUrl: ''
localeTitle: Generar minúsculas alfabeto ASCII
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---
## Description
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< section id = "description" > Escriba una función para generar una matriz de caracteres ASCII en minúsculas, para un rango determinado. Por ejemplo: para el rango 1 a 4, la función debe devolver < code > [' a' ,' b' ,' c' ,' d' ]< / code > . < / section >
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## Instructions
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< section id = "instructions" >
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< / section >
## Tests
< section id = 'tests' >
```yml
tests:
- text: < code > lascii</ code > debería ser una función.
testString: 'assert(typeof lascii=="function","< code > lascii< / code > should be a function.");'
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- text: '< code > lascii(" a" ," d" )</ code > debe devolver una matriz.'
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testString: 'assert(Array.isArray(lascii("a","d")),"< code > lascii("a","d")< / code > should return an array.");'
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- text: '" < code > lascii(" a" ," d" )</ code > debe devolver < code > [ " a" , " b" , " c" , " d" ]</ code > ." '
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testString: 'assert.deepEqual(lascii("a","d"),results[0],"< code > lascii("a","d")< / code > should return < code > [ "a", "b", "c", "d" ]< / code > .");'
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- text: '" < code > lascii(" c" ," i" )</ code > debe devolver < code > [ " c" , " d" , " e" , " f" , " g" , " h" , " i" ]</ code > ." '
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testString: 'assert.deepEqual(lascii("c","i"),results[1],"< code > lascii("c","i")< / code > should return < code > [ "c", "d", "e", "f", "g", "h", "i" ]< / code > .");'
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- text: '" < code > lascii(" m" ," q" )</ code > debe devolver < code > [ " m" , " n" , " o" , " p" , " q" ]</ code > ." '
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testString: 'assert.deepEqual(lascii("m","q"),results[2],"< code > lascii("m","q")< / code > should return < code > [ "m", "n", "o", "p", "q" ]< / code > .");'
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- text: '" < code > lascii(" k" ," n" )</ code > debe devolver < code > [ " k" , " l" , " m" , " n" ]</ code > ." )'
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testString: 'assert.deepEqual(lascii("k","n"),results[3],"< code > lascii("k","n")< / code > should return < code > [ "k", "l", "m", "n" ]< / code > .");'
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- text: '" < code > lascii(" t" ," z" )</ code > debe devolver < code > [ " t" , " u" , " v" , " w" , " x" , " y" , " z" ]</ code > ." '
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testString: 'assert.deepEqual(lascii("t","z"),results[4],"< code > lascii("t","z")< / code > should return < code > [ "t", "u", "v", "w", "x", "y", "z" ]< / code > .");'
```
< / section >
## Challenge Seed
< section id = 'challengeSeed' >
< div id = 'js-seed' >
```js
function lascii (cFrom, cTo) {
// Good luck!
}
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```
< / div >
### After Test
< div id = 'js-teardown' >
```js
console.info('after the test');
```
< / div >
< / section >
## Solution
< section id = 'solution' >
```js
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// solution required
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```
< / section >