95 lines
2.3 KiB
Markdown
95 lines
2.3 KiB
Markdown
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---
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id: 56533eb9ac21ba0edf2244a8
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title: Storing Values with the Assignment Operator
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localeTitle: Almacenamiento de valores con el operador de asignación
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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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En JavaScript, puede almacenar un valor en una variable con el operador de <dfn>asignación</dfn> .
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<code>myVariable = 5;</code>
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Esto asigna el valor <code>Number</code> <code>5</code> a <code>myVariable</code> .
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asignación siempre va de derecha a izquierda. Todo a la derecha del operador <code>=</code> se resuelve antes de que el valor se asigne a la variable a la izquierda del operador.
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<blockquote>myVar = 5;<br>myNum = myVar;</blockquote>
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Esto asigna <code>5</code> a <code>myVar</code> y luego resuelve <code>myVar</code> a <code>5</code> nuevamente y lo asigna a <code>myNum</code> .
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</section>
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## Instructions
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<section id='instructions'>
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Asignar el valor <code>7</code> a la variable <code>a</code> .
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Asigna los contenidos de <code>a</code> a la variable <code>b</code> .
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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: No cambie el código por encima de la línea
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testString: 'assert(/var a;/.test(code) && /var b = 2;/.test(code), "Do not change code above the line");'
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- text: <code class = "notranslate"> a </code> debe tener un valor de 7
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testString: 'assert(typeof a === "number" && a === 7, "<code>a</code> should have a value of 7");'
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- text: <code class = "notranslate"> b </code> debe tener un valor de 7
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testString: 'assert(typeof b === "number" && b === 7, "<code>b</code> should have a value of 7");'
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- text: <code class = "notranslate"> a </code> debe asignarse a <code class = "notranslate"> b </code> con <code class = "notranslate"> = </code>
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testString: 'assert(/b\s*=\s*a\s*;/g.test(code), "<code>a</code> should be assigned to <code>b</code> with <code>=</code>");'
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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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// Setup
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var a;
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var b = 2;
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// Only change code below this line
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```
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</div>
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### Before Test
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<div id='js-setup'>
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```js
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if (typeof a != 'undefined') {
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a = undefined;
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}
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if (typeof b != 'undefined') {
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b = undefined;
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}
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```
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</div>
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### After Test
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<div id='js-teardown'>
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```js
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console.info('after the test');
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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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var a;
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var b = 2;
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a = 7;
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b = a;
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```
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</section>
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