68 lines
2.2 KiB
Markdown
68 lines
2.2 KiB
Markdown
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---
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id: 587d7b7e367417b2b2512b24
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title: Use the Conditional (Ternary) Operator
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localeTitle: Usar el Operador Condicional (Ternario)
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challengeType: 1
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---
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## Description
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<section id='description'>
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El <dfn>operador condicional</dfn> , también llamado <dfn>operador ternario</dfn> , se puede usar como una expresión de una línea si-else.
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La sintaxis es:
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<code>condition ? statement-if-true : statement-if-false;</code>
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La siguiente función utiliza una instrucción if-else para verificar una condición:
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<blockquote>function findGreater(a, b) {<br> if(a > b) {<br> return "a is greater";<br> }<br> else {<br> return "b is greater";<br> }<br>}</blockquote>
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Esto se puede reescribir usando el <code>conditional operator</code> :
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<blockquote>function findGreater(a, b) {<br> return a > b ? "a is greater" : "b is greater";<br>}</blockquote>
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</section>
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## Instructions
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<section id='instructions'>
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Use el <code>conditional operator</code> en la función <code>checkEqual</code> para verificar si dos números son iguales o no. La función debe devolver verdadero o falso.
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>checkEqual</code> debe usar el <code>conditional operator</code>
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testString: 'assert(/.+?\s*?\?\s*?.+?\s*?:\s*?.+?/gi.test(code), "<code>checkEqual</code> should use the <code>conditional operator</code>");'
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- text: ' <code>checkEqual(1, 2)</code> debe devolver falso'
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testString: 'assert(checkEqual(1, 2) === false, "<code>checkEqual(1, 2)</code> should return false");'
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- text: ' <code>checkEqual(1, 1)</code> debe devolver verdadero'
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testString: 'assert(checkEqual(1, 1) === true, "<code>checkEqual(1, 1)</code> should return true");'
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- text: ' <code>checkEqual(1, -1)</code> debe devolver falso'
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testString: 'assert(checkEqual(1, -1) === false, "<code>checkEqual(1, -1)</code> should return false");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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function checkEqual(a, b) {
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}
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checkEqual(1, 2);
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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// solution required
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```
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</section>
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