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HTML

Sébastien Merour
publié le 13/06/2020 à 15h46 | modifé le 13/06/2020 à 19h00
Catégorie : LangagesCommentaires (9500)
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.

9500 Commentaire(s)
  1. user
    luxury car rental miami_jgEa
    14/06/2026 à 02h53  commentaire modifé
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  2. user
    luxury car rental miami_gnEa
    14/06/2026 à 02h53  commentaire modifé
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  3. user
    luxury car rental miami_lvEa
    14/06/2026 à 02h52  commentaire modifé
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  4. user
    luxury car rental miami_siEa
    14/06/2026 à 02h50  commentaire modifé
    Let me save you some serious time, learned this the hard way. You spot a sweet deal online: shiny Mercedes, low daily rate, looks perfect. Completely different car waiting for you, check engine light on, and that "low rate"? Doesn't include the mandatory insurance they somehow forgot to mention. Seven years in South Florida and I still almost fall for these tricks. If you are trying to find a legitimate luxury fleet without getting ripped off, avoid the airport like the plague. Anyone who's taken the Metro here knows the struggle about this city, especially since the AC must freeze your face off and unlimited miles or forget it. I've tried maybe 40 rental companies across Dade, Broward, and Palm Beach, until I finally found one outfit that actually delivers what's promised. If you are looking for the only straight shooter for premium rides across South Florida, check the current details here: rent a luxury car tmb miami [url=https://luxury-car-rental-miami-7.com]rent a luxury car tmb miami[/url]. Also, definitely bring polarized shades unless you enjoy driving into the apocalypse every single evening. Anyway, glad there's at least one honest rental joint left in this town, hope this helps some of you save a few bucks.

  5. user
    Narkolog na dom_kdEr
    14/06/2026 à 02h49  commentaire modifé
    Никогда не думал, что столкнусь — близкий на грани, а везти в больницу нет никаких сил. Я сам через это прошел совсем недавно. Руки опускаются, а время тикает. Лезешь в интернет, а вокруг одни обещания . Пока кто-то не подсказал один реально работающий вариант. Требуется немедленная консультация — а самому везти нет физической возможности , то выход один . Я про нарколога на дом . В Москве , если честно, тоже полно левых контор без лицензии. Вся проверенная информация вот тут : лечение алкоголизма на дому в москве лечение алкоголизма на дому в москве Честно говоря , после того как прочитал , понял, как правильно действовать. И про снятие запоя на дому, и про последующее кодирование. И цены адекватные, без разводов на месте. Советую не откладывать.

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