2018-10-08 13:34:43 -04:00

101 lines
1.8 KiB
Markdown

---
id: 56bbb991ad1ed5201cd392d3
title: Delete Properties from a JavaScript Object
localeTitle: Eliminar propiedades de un objeto de JavaScript
challengeType: 1
---
## Description
<section id='description'>
También podemos eliminar propiedades de objetos como este:
<code>delete ourDog.bark;</code>
</section>
## Instructions
<section id='instructions'>
Eliminar la propiedad <code>&quot;tails&quot;</code> de <code>myDog</code> . Puede usar la notación de punto o corchete.
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: Eliminar la propiedad <code>&quot;tails&quot;</code> de <code>myDog</code> .
testString: 'assert(typeof myDog === "object" && myDog.tails === undefined, "Delete the property <code>"tails"</code> from <code>myDog</code>.");'
- text: No modifique la configuración de <code>myDog</code>
testString: 'assert(code.match(/"tails": 1/g).length > 1, "Do not modify the <code>myDog</code> setup");'
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
// Example
var ourDog = {
"name": "Camper",
"legs": 4,
"tails": 1,
"friends": ["everything!"],
"bark": "bow-wow"
};
delete ourDog.bark;
// Setup
var myDog = {
"name": "Happy Coder",
"legs": 4,
"tails": 1,
"friends": ["freeCodeCamp Campers"],
"bark": "woof"
};
// Only change code below this line.
```
</div>
### After Test
<div id='js-teardown'>
```js
console.info('after the test');
```
</div>
</section>
## Solution
<section id='solution'>
```js
var ourDog = {
"name": "Camper",
"legs": 4,
"tails": 1,
"friends": ["everything!"],
"bark": "bow-wow"
};
var myDog = {
"name": "Happy Coder",
"legs": 4,
"tails": 1,
"friends": ["freeCodeCamp Campers"],
"bark": "woof"
};
delete myDog.tails;
```
</section>