{"id":6643,"date":"2026-04-13T11:50:53","date_gmt":"2026-04-13T11:50:53","guid":{"rendered":"http:\/\/the-codest.localhost\/dictionary\/react\/"},"modified":"2026-04-13T11:50:53","modified_gmt":"2026-04-13T11:50:53","slug":"reagir","status":"publish","type":"dictionary","link":"https:\/\/thecodest.co\/fr\/dictionary\/react\/","title":{"rendered":"React"},"content":{"rendered":"

React : Une d\u00e9finition compl\u00e8te<\/h1>\n

React<\/a> est un logiciel libre populaire JavaScript<\/a> biblioth\u00e8que utilis\u00e9e pour la construction d'interfaces utilisateur (IU). Elle a \u00e9t\u00e9 d\u00e9velopp\u00e9e par Facebook et est maintenant maintenue par une communaut\u00e9 de d\u00e9veloppeurs. React est connue pour sa capacit\u00e9 \u00e0 cr\u00e9er des interfaces utilisateur dynamiques et r\u00e9actives avec un minimum de codage. Elle est largement utilis\u00e9e pour construire web<\/a> les applications mobiles et m\u00eame les applications de bureau.<\/p>\n

React est bas\u00e9 sur le concept de composants. Un composant est un bloc autonome de code<\/a> qui peut \u00eatre r\u00e9utilis\u00e9e dans une application. Il peut \u00eatre consid\u00e9r\u00e9 comme un bloc de construction qui peut \u00eatre combin\u00e9 avec d'autres composants pour cr\u00e9er une interface utilisateur compl\u00e8te. Composants React<\/a> sont construits en utilisant une combinaison de syntaxe de type HTML appel\u00e9e JSX et JavaScript.<\/p>\n

L'une des principales caract\u00e9ristiques du React est son DOM (Document Object Model) virtuel. Le DOM virtuel est une repr\u00e9sentation l\u00e9g\u00e8re du DOM r\u00e9el. Lorsqu'une modification est apport\u00e9e \u00e0 un composant, React met \u00e0 jour le DOM virtuel au lieu du DOM r\u00e9el. Cela permet \u00e0 React de d\u00e9terminer efficacement les modifications \u00e0 apporter \u00e0 l'interface utilisateur et de ne mettre \u00e0 jour que ces parties de l'interface. Il en r\u00e9sulte un rendu plus rapide et une exp\u00e9rience utilisateur plus fluide.<\/p>\n

React est \u00e9galement connu pour son caract\u00e8re unidirectionnel. donn\u00e9es<\/a> flux. Dans React, les donn\u00e9es circulent dans une seule direction, des composants parents aux composants enfants. Cela facilite la gestion des donn\u00e9es et garantit que l'interface utilisateur est toujours \u00e0 jour.<\/p>\n

React est hautement personnalisable et peut \u00eatre utilis\u00e9 avec d'autres biblioth\u00e8ques et frameworks. Il peut \u00eatre utilis\u00e9 avec des frameworks frontaux populaires tels que Angular<\/a> et Vue<\/a>.js. Il peut \u00e9galement \u00eatre utilis\u00e9 avec des frameworks back-end tels que Node.js<\/a>.<\/p>\n

React dispose d'une communaut\u00e9 importante et active de d\u00e9veloppeurs qui contribuent \u00e0 son d\u00e9veloppement et apportent leur soutien \u00e0 d'autres d\u00e9veloppeurs. De nombreuses ressources sont disponibles pour apprendre le React, notamment de la documentation, des tutoriels et des cours en ligne.<\/p>\n

En conclusion, React est une biblioth\u00e8que JavaScript puissante et flexible utilis\u00e9e pour construire des interfaces utilisateur dynamiques et r\u00e9actives. Son architecture \u00e0 base de composants, son DOM virtuel et son flux de donn\u00e9es unidirectionnel en font un choix id\u00e9al pour la construction d'applications complexes. Sa popularit\u00e9 et sa communaut\u00e9 active en font un outil pr\u00e9cieux pour tout d\u00e9veloppeur souhaitant cr\u00e9er des applications web modernes.<\/p>","protected":false},"excerpt":{"rendered":"

D\u00e9couvrez React, la c\u00e9l\u00e8bre biblioth\u00e8que open-source JavaScript utilis\u00e9e pour cr\u00e9er des interfaces utilisateur dynamiques et r\u00e9actives avec un minimum de codage.<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6643","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"\nReact - The Codest<\/title>\n<meta name=\"description\" content=\"Learn about React, the popular open-source JavaScript library used for building dynamic and responsive user interfaces with minimal coding.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/fr\/dictionnaire\/reagir\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"React\" \/>\n<meta property=\"og:description\" content=\"Learn about React, the popular open-source JavaScript library used for building dynamic and responsive user interfaces with minimal coding.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thecodest.co\/fr\/dictionnaire\/reagir\/\" \/>\n<meta property=\"og:site_name\" content=\"The Codest\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thecodest.co\/app\/uploads\/2024\/06\/cover-image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/react\\\/\",\"url\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/react\\\/\",\"name\":\"React - 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