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---
author: Nicolas Arduin
download: true
exportFilename: intriduction-accessibilite-numerique
lineNumbers: true
remoteAssets: true
htmlAttrs:
dir: ltr
lang: fr
theme: ./
# some information about your slides (markdown enabled)
title: Introduction à l'accessibilité numérique
info: |
## Commencer avec l'accessibilité
Pourquoi, pour qui et comment ?
Learn more at [Sli.dev ](https://sli.dev )
# https://sli.dev/features/drawing
drawings:
persist: false
# slide transition: https://sli.dev/guide/animations.html#slide-transitions
transition: fade-out
# enable MDC Syntax: https://sli.dev/features/mdc
mdc: true
# make slide text selectable
selectable: true
# take snapshot for each slide in the overview
overviewSnapshots: true
hideInToc: true
layout: intro
---
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# <span class="highlight">L'accessibilité numérique</span> en 10 étapes
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< div class = "abs-br m-6" >
< a href = "https://www.nardu.in" rel = "noreferer noopener" > Nico,< / a > Décembre 2024.< br > licence : < a href = "https://creativecommons.org/licenses/by-nc/4.0/" rel = "noreferer noopener" > CC BY-NC< / a >
< / div >
<!--
The last comment block of each slide will be treated as slide notes. It will be visible and editable in Presenter Mode along with the slide. [Read more in the docs ](https://sli.dev/guide/syntax.html#notes )
-->
---
hideInToc: true
layout: bullets
---
# Sommaire
< Toc maxDepth = "1" > < / Toc >
---
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layout: content
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---
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# Contexte
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> “ La force du Web réside dans son universalité. L'accès de tous, quel que soit le handicap, en est un aspect essentiel. ”
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Tim Berners-Lee, Directeur du < abbr title = "World Wide Web Consortium" > W3C< / abbr > et inventeur du World Wide Web
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> “ L’ accessibilité numérique est un droit fondamental. C’ est la possibilité pour toutes et tous d’ utiliser les outils informatiques, quelle que soit leur façon d’ y accéder. ”
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Access 42
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> The W3C vision is that the Web and related technologies are accessible so that all people with disabilities around the globe can participate equally in the digital world.
< abbr title = "World Wide Web Consortium" > W3C< / abbr > < abbr title = "Web Accessibility Initiative" > WAI< / abbr >
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---
layout: fact
hideInToc: true
---
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# 30 % de la population française
Connaît une difficulté (limitation ou restriction) au quotidien. La majorité sont invisibles.
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< cite > [Rapport 2024 de la DREES.](https://drees.solidarites-sante.gouv.fr/sites/default/files/2024-12/HANDICAP24MAJ061224-2.pdf)< / cite >
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<!--
certains sont temporaires, certains arrivent avec l'âge
-->
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---
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layout: bullets
hideInToc: true
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hide: true
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---
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## L'accessibilité du Web englobe tous les handicaps qui affectent l'accès au Web, notamment :
- auditifs
- cognitifs
- neurologiques
- physiques
- psychologiques
- oraux
- visuels
---
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layout: auto-grid
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columns: 2
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---
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# Exemples de technologies d'assistance
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::content::
< Youtube id = "nw6-eDJXWzY" / >
< Youtube id = "N9Q8oF0Lx2M" / >
< Youtube id = "SlxIEPEC_Qc" / >
< Youtube id = "LHUyDhutx80" / >
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---
layout: bullets
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---
# Bonnes pratiques en bref
- structure du contenu ([titres](https://developer.mozilla.org/fr/docs/Web/HTML/Element/Heading_Elements))
- contrastes des couleurs ([outil](https://coolors.co/contrast-checker))
- taille et unités des polices
- formulaire
- intitulés
- aide à la saisie
- messages d’ erreur
- animations/mouvement (carousel, vidéo, scroll, etc.)
- écrire simplement et clairement ([FALC](https://www.culture.gouv.fr/Thematiques/developpement-culturel/Culture-et-handicap/Facile-a-lire-et-a-comprendre-FALC-une-methode-utile))
- simplifier l'interface utilisateur
---
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# Éléments HTML sémantiques
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````md magic-move {lines: false}
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```html
< body >
< div class = "header" >
< div class = "nav" >
< a href = "#" > Accueil< / a >
< a href = "#" > À propos< / a >
< a href = "#" > Contact< / a >
< / div >
< / div >
< div class = "main" >
< h1 > Titre de la page< / h1 >
< h2 > Titre de la section< / h2 >
< p > Contenu de la page< / p >
< / div >
< div class = "footer" >
< p > Pied de page< / p >
< / div >
< / body >
```
```html
< body >
< header >
< nav >
< ul >
< li > < a href = "#" > Accueil< / a > < / li >
< li > < a href = "#" > À propos< / a > < / li >
< li > < a href = "#" > Contact< / a > < / li >
< / ul >
< / nav >
< / header >
< main >
< h1 > Titre de la page< / h1 >
< section >
< h2 > Titre de la section< / h2 >
< p > Contenu de la page< / p >
< / section >
< / main >
< footer >
< p > Pied de page< / p >
< / footer >
< / body >
```
````
---
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layout: auto-grid
columns: 2
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---
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# Structure des titres
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::content::
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```md {all|2|3|4|none}{lines: false}
Erroné
└── h1 Titre principal
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├── h2 Titre secondaire // [!code --]
├── h4 Titre niveau 4 // [!code error]
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│ └── h5 Titre niveau 5
├── h2 Titre secondaire
│ ├── h2 Titre secondaire
│ ├── h3 Titre tertiaire
│ │ ├── h4 Titre niveau 4
│ │ │ └── h6 Titre niveau 6
│ └── h3 Titre tertiaire
└── h1 Titre principal
```
```md {none|all}{lines: false}
Correct
└── h1 Titre principal
├── h2 Titre secondaire
├── h2 Titre secondaire
│ └── h3 Titre tertiaire
├── h2 Titre secondaire
│ ├── h3 Titre tertiaire
│ ├── h3 Titre tertiaire
│ │ ├── h4 Titre niveau 4
│ │ │ └── h5 Titre niveau 5
│ └── h3 Titre tertiaire
└── h2 Titre secondaire
```
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<!--
[HeadingsMap ](https://addons.mozilla.org/fr/firefox/addon/headingsmap/ )
-->
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---
layout: center
hideInToc: true
---
# les Formulaires
C'est si simple de faire n'importe quoi 🤪
---
## layout: two-cols
< div class = "form" >
< h2 > Mauvais exemple :< / h2 >
< form class = "nul" >
< input type = "text" placeholder = "nom*" >
< input type = "text" placeholder = "email*" >
< button > Envoyer< / button >
< / form >
< / div >
::right::
< div class = "form" >
< h2 > Bon exemple :< / h2 >
< form class = "cool" >
< div v-click role = "group" aria-labelledby = "error-summary-title" >
< h3 id = "error-summary-title" tabindex = "-1" >
Il y a 2 erreurs de saisie dans le formulaire.
< / h3 >
< ol >
< li class = "error" >
< a href = "#input-name" > Veuillez renseigner un nom.< / a >
< / li >
< li class = "error" >
< a href = "#input-email" > L'email renseigné n'est pas valide.< / a >
< / li >
< / ol >
< / div >
< label for = "name" > Nom (obligatorie)< / label >
< input id = "name" type = "text" required >
< label for = "email" > Email (obligatoire)< / label >
< input id = "email" type = "email" aria-describedby = "email-description" required >
< p id = "email-description" > Format attendu: nom@email.fr< / p >
< button > Envoyer< / button >
< / form >
< / div >
< div class = "absolute bottom-10" >
< a href = "https://briefs.video/videos/what-happened-to-text-inputs/" rel = "noreferer noopener" > Qu'est-il arrivé au champ texte ? < small > Vidéo en anglais.< / small > < / a >
< / div >
---
layout: image-right
image: https://cover.sli.dev
---
# Code
Use code snippets and get the highlighting directly, and even types hover!
```ts {all|5|7|7-8|10|all} twoslash
// TwoSlash enables TypeScript hover information
// and errors in markdown code blocks
// More at https://shiki.style/packages/twoslash
import { computed, ref } from 'vue'
const count = ref(0)
const doubled = computed(() => count.value * 2)
doubled.value = 2
```
< arrow v-click = "[4, 5]" x1 = "350" y1 = "310" x2 = "195" y2 = "334" color = "#953" width = "2" arrowSize = "1" / >
<!-- This allow you to embed external code blocks -->
<!-- Footer -->
[Learn more ](https://sli.dev/features/line-highlighting )
<!-- Inline style -->
< style >
.footnotes-sep {
@apply mt-5 opacity-10;
}
.footnotes {
@apply text-sm opacity-75;
}
.footnote-backref {
display: none;
}
< / style >
<!--
Notes can also sync with clicks
[click] This will be highlighted after the first click
[click] Highlighted with `count = ref(0)`
[click:3] Last click (skip two clicks)
-->
---
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level: 2
---
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# Shiki Magic Move
Powered by [shiki-magic-move ](https://shiki-magic-move.netlify.app/ ), Slidev supports animations across multiple code snippets.
Add multiple code blocks and wrap them with < code > ````md magic-move< / code > (four backticks) to enable the magic move. For example:
````md magic-move {lines: true}
```ts {*|2|*}
// step 1
const author = reactive({
name: 'John Doe',
books: [
'Vue 2 - Advanced Guide',
'Vue 3 - Basic Guide',
'Vue 4 - The Mystery'
]
})
```
```ts {*|1-2|3-4|3-4,8}
// step 2
export default {
data() {
return {
author: {
name: 'John Doe',
books: [
'Vue 2 - Advanced Guide',
'Vue 3 - Basic Guide',
'Vue 4 - The Mystery'
]
}
}
}
}
```
```ts
// step 3
export default {
data: () => ({
author: {
name: 'John Doe',
books: [
'Vue 2 - Advanced Guide',
'Vue 3 - Basic Guide',
'Vue 4 - The Mystery'
]
}
})
}
```
Non-code blocks are ignored.
```vue
<!-- step 4 -->
< script setup >
const author = {
name: 'John Doe',
books: [
'Vue 2 - Advanced Guide',
'Vue 3 - Basic Guide',
'Vue 4 - The Mystery'
]
}
< / script >
```
````
---
# Components
< div grid = "~ cols-2 gap-4" >
< div >
You can use Vue components directly inside your slides.
We have provided a few built-in components like `<Tweet/>` and `<Youtube/>` that you can use directly. And adding your custom components is also super easy.
```html
< Counter :count = "10" / >
```
<!-- ./components/Counter.vue -->
< Counter :count = "10" m = "t-4" / >
Check out [the guides ](https://sli.dev/builtin/components.html ) for more.
< / div >
< div >
```html
< Tweet id = "1390115482657726468" / >
```
< Tweet id = "1390115482657726468" scale = "0.65" / >
< / div >
< / div >
<!--
Presenter note with **bold** , *italic* , and ~~striked~~ text.
Also, HTML elements are valid:
< div class = "flex w-full" >
< span style = "flex-grow: 1;" > Left content< / span >
< span > Right content< / span >
< / div >
-->
---
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class: px-20
---
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# Themes
Slidev comes with powerful theming support. Themes can provide styles, layouts, components, or even configurations for tools. Switching between themes by just **one edit** in your frontmatter:
< div grid = "~ cols-2 gap-2" m = "t-2" >
```yaml
---
theme: default
---
```
```yaml
---
theme: seriph
---
```
< img border = "rounded" src = "https://github.com/slidevjs/themes/blob/main/screenshots/theme-default/01.png?raw=true" alt = "" >
< img border = "rounded" src = "https://github.com/slidevjs/themes/blob/main/screenshots/theme-seriph/01.png?raw=true" alt = "" >
< / div >
Read more about [How to use a theme ](https://sli.dev/guide/theme-addon#use-theme ) and
check out the [Awesome Themes Gallery ](https://sli.dev/resources/theme-gallery ).
---
# Clicks Animations
You can add `v-click` to elements to add a click animation.
< div v-click >
This shows up when you click the slide:
```html
< div v-click > This shows up when you click the slide.< / div >
```
< / div >
< br >
< v-click >
The < span v-mark . red = "3" > < code > v-mark< / code > directive< / span >
also allows you to add
< span v-mark . circle . orange = "4" > inline marks< / span >
, powered by [Rough Notation ](https://roughnotation.com/ ):
```html
< span v-mark . underline . orange > inline markers< / span >
```
< / v-click >
< div mt-20 v-click >
[Learn more ](https://sli.dev/guide/animations#click-animation )
< / div >
---
# Monaco Editor
Slidev provides built-in Monaco Editor support.
Add `{monaco}` to the code block to turn it into an editor:
```ts {monaco}
import { ref } from 'vue'
import { emptyArray } from './external'
const arr = ref(emptyArray(10))
```
Use `{monaco-run}` to create an editor that can execute the code directly in the slide:
```ts {monaco-run}
import { version } from 'vue'
import { emptyArray, sayHello } from './external'
sayHello()
console.log(`vue ${version}`)
console.log(
emptyArray< number > (10).reduce(
(fib) => [...fib, fib.at(-1)! + fib.at(-2)!],
[1, 1]
)
)
```
---
layout: center
class: text-center
---
# Learn More
[Documentation ](https://sli.dev ) · [GitHub ](https://github.com/slidevjs/slidev ) · [Showcases ](https://sli.dev/resources/showcases )
< PoweredBySlidev mt-10 / >