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{"id":10794,"date":"2024-03-21T21:32:49","date_gmt":"2024-03-21T20:32:49","guid":{"rendered":"https:\/\/total-depannage.com\/categorie\/les_infos_geek\/les-bases-de-la-programmation-web-html-css-et-javascript-expliques-french\/"},"modified":"2024-03-21T21:32:49","modified_gmt":"2024-03-21T20:32:49","slug":"les-bases-de-la-programmation-web-html-css-et-javascript-expliques-french","status":"publish","type":"post","link":"https:\/\/total-depannage.com\/les-bases-de-la-programmation-web-html-css-et-javascript-expliques-french\/","title":{"rendered":"Les bases de la programmation web : HTML, CSS et JavaScript expliqu\u00e9s"},"content":{"rendered":"Les bases de la programmation web : HTML, CSS et JavaScript expliqu\u00e9s<\/h1>\n
La programmation web est un domaine en constante \u00e9volution qui exige une bonne compr\u00e9hension des langages de programmation essentiels tels que HTML, CSS et JavaScript. Ces technologies constituent les fondations de la cr\u00e9ation de sites web interactifs et esth\u00e9tiques. Dans cet article, nous allons expliquer les bases de la programmation web en mettant l’accent sur ces trois langages cl\u00e9s.<\/p>\n
HTML : La structure de base d’une page web<\/h2>\n
HTML, qui signifie HyperText Markup Language, est le langage de balisage standard utilis\u00e9 pour cr\u00e9er la structure d’une page web. Il permet de d\u00e9finir les diff\u00e9rents \u00e9l\u00e9ments d’une page tels que les titres, les paragraphes, les images, les liens, etc. Voici un exemple simple de code HTML : <\/p>\n
\u00ab\u00a0`html
\n
\n
\n
\n Ma premi\u00e8re page web<\/title><br \/>\n<\/head><br \/>\n<body><\/p>\n<h1>Bonjour, monde !<\/h1>\n<p>Ceci est un paragraphe de texte.<\/p>\n<p><\/body><br \/>\n<\/html><br \/>\n\u00ab\u00a0`<\/p>\n<h2>CSS : La mise en forme et le style des pages web<\/h2>\n<p>Une fois la structure de base de la page d\u00e9finie en HTML, CSS (Cascading Style Sheets) permet d’ajouter des styles et des mises en forme \u00e0 celle-ci. Il s’agit d’un langage de feuilles de style qui permet de contr\u00f4ler la pr\u00e9sentation visuelle d’un site web. Voici un exemple de r\u00e8gle CSS qui d\u00e9finit la couleur du texte d’un paragraphe :<\/p>\n<p>\u00ab\u00a0`css<br \/>\np {<br \/>\n color: blue;<br \/>\n}<br \/>\n\u00ab\u00a0`<\/p>\n<h2>JavaScript : L’interactivit\u00e9 et la dynamique des pages web<\/h2>\n<p>JavaScript est un langage de programmation c\u00f4t\u00e9 client qui permet d’ajouter des fonctionnalit\u00e9s interactives et dynamiques \u00e0 une page web. Il est souvent utilis\u00e9 pour la validation des formulaires, les effets visuels, les animations, etc. Voici un exemple de code JavaScript qui affiche une bo\u00eete de dialogue d’alerte :<\/p>\n<p>\u00ab\u00a0`javascript<br \/>\nalert(\u00ab\u00a0Bonjour, monde !\u00a0\u00bb);<br \/>\n\u00ab\u00a0`<\/p>\n<h2>Tutoriels et astuces informatiques pour Windows, Linux et Apple<\/h2>\n<p>Pour aller plus loin dans l’apprentissage de la programmation web, voici quelques tutoriels et astuces utiles pour les plateformes Windows, Linux et Apple :<\/p>\n<p>– [Tutoriels de programmation web sur Tuto.com](https:\/\/www.tuto.com\/categorie\/programmation-web)<br \/>\n– [Formation compl\u00e8te sur HTML, CSS et JavaScript sur OpenClassrooms](https:\/\/openclassrooms.com\/fr\/courses\/1399541-la-formation-complete-sur-html-css-et-javascript)<br \/>\n– [Tutoriels de d\u00e9veloppement web sur Grafikart](https:\/\/www.grafikart.fr\/tutoriels)<\/p>\n<h2>FAQ sur la programmation web<\/h2>\n<h3>Qu’est-ce que la programmation web ?<\/h3>\n<p>La programmation web est un ensemble de techniques permettant de cr\u00e9er des sites web interactifs et dynamiques en utilisant des langages de programmation tels que HTML, CSS et JavaScript.<\/p>\n<h3>Quelle est la diff\u00e9rence entre HTML, CSS et JavaScript ?<\/h3>\n<p>HTML est utilis\u00e9 pour la structure de base d’une page web, CSS pour la mise en forme et le style, et JavaScript pour l’interactivit\u00e9 et la dynamique.<\/p>\n<h3>Quels sont les outils n\u00e9cessaires pour commencer \u00e0 programmer en web ?<\/h3>\n<p>Pour programmer en web, vous aurez besoin d’un \u00e9diteur de code tel que Visual Studio Code, ainsi que d’un navigateur web pour tester vos pages.<\/p>\n<p>En conclusion, la ma\u00eetrise des langages de programmation web tels que HTML, CSS et JavaScript est essentielle pour cr\u00e9er des sites web modernes et attractifs. En suivant des tutoriels et en utilisant des astuces informatiques adapt\u00e9es \u00e0 votre plateforme, vous pourrez d\u00e9velopper vos comp\u00e9tences et cr\u00e9er des projets web de qualit\u00e9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les bases de la programmation web : HTML, CSS et JavaScript expliqu\u00e9s La programmation web est un domaine en constante 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