98 lines
3.7 KiB
Markdown
98 lines
3.7 KiB
Markdown
![]() |
---
|
||
|
id: 56533eb9ac21ba0edf2244d9
|
||
|
title: Comparisons with the Logical Or Operator
|
||
|
localeTitle: Comparaciones con el operador lógico o
|
||
|
challengeType: 1
|
||
|
---
|
||
|
|
||
|
## Description
|
||
|
<section id='description'>
|
||
|
El <dfn>lógico u</dfn> operador ( <code>||</code> ) devuelve <code>true</code> si cualquiera de los <dfn>operandos</dfn> es <code>true</code> . De lo contrario, devuelve <code>false</code> .
|
||
|
El operador <dfn>lógico</dfn> está compuesto de dos símbolos de tubería ( <code>|</code> ). Normalmente, esto se puede encontrar entre las teclas Retroceso e Intro.
|
||
|
El patrón a continuación debe parecer familiar de los puntos de paso anteriores:
|
||
|
<blockquote>if (num > 10) {<br> return "No";<br>}<br>if (num < 5) {<br> return "No";<br>}<br>return "Yes";</blockquote>
|
||
|
devolverá "Sí" solo si el <code>num</code> está entre <code>5</code> y <code>10</code> (5 y 10 incluidos). La misma lógica se puede escribir como:
|
||
|
<blockquote>if (num > 10 || num < 5) {<br> return "No";<br>}<br>return "Yes";</blockquote>
|
||
|
</section>
|
||
|
|
||
|
## Instructions
|
||
|
<section id='instructions'>
|
||
|
Combine las dos declaraciones <code>if</code> en una declaración que devuelva <code>"Outside"</code> si <code>val</code> no está entre <code>10</code> y <code>20</code> , inclusive. De lo contrario, devuelve <code>"Inside"</code> .
|
||
|
</section>
|
||
|
|
||
|
## Tests
|
||
|
<section id='tests'>
|
||
|
|
||
|
```yml
|
||
|
tests:
|
||
|
- text: Deberías usar el <code>||</code> operador una vez
|
||
|
testString: 'assert(code.match(/\|\|/g).length === 1, "You should use the <code>||</code> operator once");'
|
||
|
- text: Sólo debe tener una declaración <code>if</code>
|
||
|
testString: 'assert(code.match(/if/g).length === 1, "You should only have one <code>if</code> statement");'
|
||
|
- text: <code>testLogicalOr(0)</code> debe devolver "Outside"
|
||
|
testString: 'assert(testLogicalOr(0) === "Outside", "<code>testLogicalOr(0)</code> should return "Outside"");'
|
||
|
- text: <code>testLogicalOr(9)</code> debe devolver "Outside"
|
||
|
testString: 'assert(testLogicalOr(9) === "Outside", "<code>testLogicalOr(9)</code> should return "Outside"");'
|
||
|
- text: <code>testLogicalOr(10)</code> debe devolver "Inside"
|
||
|
testString: 'assert(testLogicalOr(10) === "Inside", "<code>testLogicalOr(10)</code> should return "Inside"");'
|
||
|
- text: <code>testLogicalOr(15)</code> debe devolver "Inside"
|
||
|
testString: 'assert(testLogicalOr(15) === "Inside", "<code>testLogicalOr(15)</code> should return "Inside"");'
|
||
|
- text: <code>testLogicalOr(19)</code> debe devolver "Inside"
|
||
|
testString: 'assert(testLogicalOr(19) === "Inside", "<code>testLogicalOr(19)</code> should return "Inside"");'
|
||
|
- text: <code>testLogicalOr(20)</code> debe devolver "Inside"
|
||
|
testString: 'assert(testLogicalOr(20) === "Inside", "<code>testLogicalOr(20)</code> should return "Inside"");'
|
||
|
- text: <code>testLogicalOr(21)</code> debe devolver "Outside"
|
||
|
testString: 'assert(testLogicalOr(21) === "Outside", "<code>testLogicalOr(21)</code> should return "Outside"");'
|
||
|
- text: <code>testLogicalOr(25)</code> debe devolver "Outside"
|
||
|
testString: 'assert(testLogicalOr(25) === "Outside", "<code>testLogicalOr(25)</code> should return "Outside"");'
|
||
|
|
||
|
```
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Challenge Seed
|
||
|
<section id='challengeSeed'>
|
||
|
|
||
|
<div id='js-seed'>
|
||
|
|
||
|
```js
|
||
|
function testLogicalOr(val) {
|
||
|
// Only change code below this line
|
||
|
|
||
|
if (val) {
|
||
|
return "Outside";
|
||
|
}
|
||
|
|
||
|
if (val) {
|
||
|
return "Outside";
|
||
|
}
|
||
|
|
||
|
// Only change code above this line
|
||
|
return "Inside";
|
||
|
}
|
||
|
|
||
|
// Change this value to test
|
||
|
testLogicalOr(15);
|
||
|
```
|
||
|
|
||
|
</div>
|
||
|
|
||
|
|
||
|
|
||
|
</section>
|
||
|
|
||
|
## Solution
|
||
|
<section id='solution'>
|
||
|
|
||
|
|
||
|
```js
|
||
|
function testLogicalOr(val) {
|
||
|
if (val < 10 || val > 20) {
|
||
|
return "Outside";
|
||
|
}
|
||
|
return "Inside";
|
||
|
}
|
||
|
```
|
||
|
|
||
|
</section>
|