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HTML

Sébastien Merour
publié le 13/06/2020 à 15h46 | modifé le 13/06/2020 à 19h00
Catégorie : LangagesCommentaires (7797)
HTML
Description

HTML signifie : Hypertext Markup Language

Le langage HTML est constitué :

- de balises (tags en anglais)

- d'attributs (attributes)

- d'éléments (ce qui se trouve entre la balise ouvrante < et la balise fermante >).

Structure d'une page Web

Une page HTML est constituée au minimum :

- du doctype (pour indiquer au navigateur que le document est de type HTML)

- des balises qui elles-mêmen renferment 2 autres balises : et : ces 3 balises  sont les balises de premier niveau.

La section Head

La balise head renferme plusieurs balises qui sont interprétées par le navigateur, mais dont le contenu n'est pas affiché sur la page.

La section Head contient de nombreuses balises, parmi lesquelles nous trouvons : l'encodage de la page (le plus souvent UTF-8), le titre de la page (balise title) . On y trouve également des balises meta, des liens vers des feuilles de style CSS, et parfois des scripts en Javascript.

Les différentes balises meta et title jouent un rôle primordial pour le référencement.

La section Body

Elle contient au contraire tout ce qui sera affiché sur la page web dans le navigateur. Il existe de nombreux types de balises :

- les balises sectionnantes (permettant de diviser la page en plusieurs sections, comme header, nav, section, footer, article. Elles sont primordiales car elles donnent des indicationx aux moteurs de recherche qui parcourent les pages web).

- les balises de structuration du texte (comme les headings, les blockquotes, les paragraphes)

- les balises de listes (numérotées ou non)

- les balises de tableau (désormais déconseillées pour construire une page web, mais parfois très utiles pour construire le template d'une newsletter)

- les balises de formulaire (form, input, textarea...)

- les balises génériques (div, span...)

Mode d'affichage des éléments HTML

Il existe également une autre façon de distinguer certains types de balises.

On parle parfois en effet de :

- balises "inline" qui permettent de définir l'affichage d'un élément sans retour à la ligne. Parmi les balises inline, nous avons par exemple les balises  span, a, strong, img ...

- balises "blocks": elles occupent toute la largeur disponibles. Lorsque 2 éléments de type "blocks" se suivent, ils sont disposés par défaut l'un en dessous de l'autre. Nous avons par exemple les balises div, h1, p, ul, form, table, blockquote.

-de balises "invisibles" : elles ne s'affichent pas sur la page, comme par exemple la balise meta, inclue dans la partie head de la page.

Fonctionnalités
HTML permet d'écrire de l'hypertexte. Il permet de structurer sémantiquement et logiquement le contenu des pages web, mais aussi d'inclure des éléments multimédia tels que des images ou des vidéos.
Année de création
1992
Créateur
Web Hypertext Application Technology Working Group
Dernière version
5.2
Langage
HTML
Liens
Aux dernières nouvelles
Actuellement, la dernière version du HTML est le HTML 5. Mais les membres du groupe de travail du W3C veulent créer un HTML Living Standard, une version du HTML qui n'aurait pas de numéro de version. Ainsi le HTML serait en constante évolution.

7797 Commentaire(s)
  1. user
    luxury car rental miami_caPl
    19/06/2026 à 20h52  commentaire modifé
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  2. user
    luxury car rental miami_knPl
    19/06/2026 à 20h52  commentaire modifé
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  3. user
    luxury car rental miami_tnSi
    19/06/2026 à 20h51  commentaire modifé
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  4. user
    luxury car rental miami_tdPl
    19/06/2026 à 20h51  commentaire modifé
    Swear I've seen every scam in the book by now. You find a killer listing online: sleek Audi, convertible, price almost too good to be true. Different car sitting there — bald tires, dashboard lit up like a Christmas tree, and that "killer price"? Yeah doesn't include the non-negotiable $45 daily insurance or the $500 deposit they forget to mention. Nine years in South Florida and these clowns still nearly fool me. luxury car rental in miami. anyone who's tried the trolley system knows what I'm talking about. leather seats that don't glue to your skin in August. I've tested maybe 50 rental outfits across Dade, Broward, and Collier. Finally found one company that doesn't play stupid games. rates change daily so check before the holiday crowd hits: mercedes benz rental miami https://luxury-car-rental-miami-9.com Yeah parking in Wynwood will cost you a nice dinner — but that's the price of being in Miami. Anyway glad there's at least one honest operator left in this rental jungle.

  5. user
    luxury car rental miami_kxPl
    19/06/2026 à 20h49  commentaire modifé
    Okay folks gather round — Miami rental horror story time. Then you roll up to the address. Plus a $3000 hold on your credit card for two weeks. Fool me nine times? That's just the Miami welcome committee. When you're hunting for a legit luxury car rental miami. Miami without proper wheels is basically a nightmare. leather seats that don't glue to your skin in August. I've tested maybe 50 rental outfits across Dade, Broward, and Collier. Finally found one company that doesn't play stupid games. rates change daily so check before the holiday crowd hits: miami car rental https://luxury-car-rental-miami-9.com also bring polarized shades unless you enjoy driving blind into the sunset every night. Anyway glad there's at least one honest operator left in this rental jungle.

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