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---
title: Compare a list of strings
id: 596e457071c35c882915b3e4
challengeType: 5
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videoUrl: ''
localeTitle: Compara una lista de cuerdas
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---
## Description
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< section id = "description" > < p > Dada una < a href = "https://en.wikipedia.org/wiki/List_(abstract_data_type)" title = "wp: List_ (abstract_data_type)" > lista< / a > de muchas cadenas arbitrarias, implemente una función para cada una de las siguientes condiciones: < / p > prueba si todos son léxicamente iguales prueba si cada cadena es léxicamente menor que la siguiente (es decir, si la lista está en estricto orden ascendente) < / 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 > allEqual</ code > es una función.
testString: 'assert(typeof allEqual === "function", "< code > allEqual< / code > is a function.");'
- text: < code > azSorted</ code > es una función.
testString: 'assert(typeof azSorted === "function", "< code > azSorted< / code > is a function.");'
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- text: '< code > allEqual([" AA" , " AA" , " AA" , " AA" ])</ code > devuelve true.'
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testString: 'assert(allEqual(testCases[0]), "< code > allEqual(["AA", "AA", "AA", "AA"])< / code > returns true.");'
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- text: '< code > azSorted([" AA" , " AA" , " AA" , " AA" ])</ code > devuelve falso.'
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testString: 'assert(!azSorted(testCases[0]), "< code > azSorted(["AA", "AA", "AA", "AA"])< / code > returns false.");'
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- text: '< code > allEqual([" AA" , " ACB" , " BB" , " CC" ])</ code > devuelve falso.'
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testString: 'assert(!allEqual(testCases[1]), "< code > allEqual(["AA", "ACB", "BB", "CC"])< / code > returns false.");'
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- text: '< code > azSorted([" AA" , " ACB" , " BB" , " CC" ])</ code > devuelve verdadero.'
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testString: 'assert(azSorted(testCases[1]), "< code > azSorted(["AA", "ACB", "BB", "CC"])< / code > returns true.");'
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- text: '< code > allEqual([])</ code > devuelve true.'
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testString: 'assert(allEqual(testCases[2]), "< code > allEqual([])< / code > returns true.");'
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- text: '< code > azSorted([])</ code > devuelve true.'
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testString: 'assert(azSorted(testCases[2]), "< code > azSorted([])< / code > returns true.");'
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- text: '< code > allEqual([" AA" ])</ code > devuelve true.'
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testString: 'assert(allEqual(testCases[3]), "< code > allEqual(["AA"])< / code > returns true.");'
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- text: '< code > azSorted([" AA" ])</ code > devuelve true.'
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testString: 'assert(azSorted(testCases[3]), "< code > azSorted(["AA"])< / code > returns true.");'
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- text: '< code > allEqual([" BB" , " AA" ])</ code > devuelve false.'
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testString: 'assert(!allEqual(testCases[4]), "< code > allEqual(["BB", "AA"])< / code > returns false.");'
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- text: '< code > azSorted([" BB" , " AA" ])</ code > devuelve falso.'
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testString: 'assert(!azSorted(testCases[4]), "< code > azSorted(["BB", "AA"])< / code > returns false.");'
```
< / section >
## Challenge Seed
< section id = 'challengeSeed' >
< div id = 'js-seed' >
```js
function allEqual (arr) {
// Good luck!
return true;
}
function azSorted (arr) {
// Good luck!
return true;
}
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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 >