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---
id: bad87eee1348bd9aede07836
title: Set the id of an Element
challengeType: 0
videoUrl: ''
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localeTitle: Establecer la id de un elemento
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---
## Description
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< section id = "description" > Además de las clases, cada elemento HTML también puede tener un atributo < code > id< / code > . El uso de atributos de < code > id< / code > tiene varios beneficios: puede usar una < code > id< / code > para diseñar un solo elemento y más adelante aprenderá que puede usarlos para seleccionar y modificar elementos específicos con JavaScript. < code > id< / code > atributos de < code > id< / code > deben ser únicos. Los navegadores no harán cumplir esto, pero es una buena práctica ampliamente aceptada. Entonces, por favor, no le dé a más de un elemento el mismo atributo de < code > id< / code > . Aquí hay un ejemplo de cómo le das a tu elemento < code > h2< / code > el ID de < code > cat-photo-app< / code > : < code > < h2 id=" cat-photo-app" > < / code > < / section >
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## Instructions
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< section id = "instructions" > Dale a tu elemento de < code > form< / code > la identificación < code > cat-photo-form< / code > . < / section >
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## Tests
< section id = 'tests' >
```yml
tests:
- text: Dale a tu elemento de < code > form</ code > la identificación de < code > cat-photo-form</ code > .
testString: 'assert($("form").attr("id") === "cat-photo-form", "Give your < code > form< / code > element the id of < code > cat-photo-form< / code > .");'
```
< / section >
## Challenge Seed
< section id = 'challengeSeed' >
< div id = 'html-seed' >
```html
< link href = "https://fonts.googleapis.com/css?family=Lobster" rel = "stylesheet" type = "text/css" >
< style >
.red-text {
color: red;
}
h2 {
font-family: Lobster, monospace;
}
p {
font-size: 16px;
font-family: monospace;
}
.thick-green-border {
border-color: green;
border-width: 10px;
border-style: solid;
border-radius: 50%;
}
.smaller-image {
width: 100px;
}
.silver-background {
background-color: silver;
}
< / style >
< h2 class = "red-text" > CatPhotoApp< / h2 >
< main >
< p class = "red-text" > Click here to view more < a href = "#" > cat photos< / a > .< / p >
< a href = "#" > < img class = "smaller-image thick-green-border" src = "https://bit.ly/fcc-relaxing-cat" alt = "A cute orange cat lying on its back." > < / a >
< div class = "silver-background" >
< p > Things cats love:< / p >
< ul >
< li > cat nip< / li >
< li > laser pointers< / li >
< li > lasagna< / li >
< / ul >
< p > Top 3 things cats hate:< / p >
< ol >
< li > flea treatment< / li >
< li > thunder< / li >
< li > other cats< / li >
< / ol >
< / div >
< form action = "/submit-cat-photo" >
< label > < input type = "radio" name = "indoor-outdoor" checked > Indoor< / label >
< label > < input type = "radio" name = "indoor-outdoor" > Outdoor< / label > < br >
< label > < input type = "checkbox" name = "personality" checked > Loving< / label >
< label > < input type = "checkbox" name = "personality" > Lazy< / label >
< label > < input type = "checkbox" name = "personality" > Energetic< / label > < br >
< input type = "text" placeholder = "cat photo URL" required >
< button type = "submit" > Submit< / button >
< / form >
< / main >
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```
< / div >
< / section >
## Solution
< section id = 'solution' >
```js
// solution required
```
< / section >