React 19を概念ã‹ã‚‰ç†è§£ã™ã‚‹2024-05-29ã†ã²ã‚‡ã•ã‚“ã«èžãï¼ã€€React 19アップデートã®å‹˜æ‰€ #React19_Findy
React 19ã®æ–°æ©Ÿèƒ½ã¾ã‚‹ã‚ã‹ã‚Š
2024å¹´4月ã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸReact 19 Betaã®æ–°æ©Ÿèƒ½ã«ã¤ã„ã¦ã€ç´°ã‹ã„点やãƒã‚¤ãƒ³ãƒˆã‚’解説ã—ã¾ã™ã€‚
The Joy of React
Toggle turquoise light (visual effect)Toggle yellow light (visual effect)Toggle purple light (visual effect) So, let’s be real. Learning React is hard. Over the past few years, React has become a “must-have†skill for front-end developers. Just about every job posting lists it as a pre-requisite! If you’ve tried to learn React, though, you know it can be confusing and overwhelming. There’s just so
The interactive way to master modern React – react.gg
Chapters: Why?, Thinking in React, Imperative vs. Declarative, Pure Functions What you’ll learn Optimized for aha! We’re obsessed with helping you reach your aha! moments. Our text sections help you master the “why†behind React concepts and include fun, interactive visuals you can play with. Give it a try.
最近Reactを始ã‚ãŸäººå‘ã‘ã®React Hooks入門
Reactã«Hooksã®ä»•çµ„ã¿ãŒå°Žå…¥ã•ã‚Œã¦ã‹ã‚‰ãšã„ã¶ã‚“経ã¡ã¾ã—ãŸã€‚Hooks導入当時ã®ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ã®ç†±ç‹‚ã¯ã€ãã‚Œã¯ã‚‚ã†å‡„ã„ã‚‚ã®ã§ã—ãŸã€‚「Reactã«ã¨ã‚“ã§ã‚‚ãªã„機能ãŒå®Ÿè£…ã•ã‚ŒãŸãžï¼ã€ã¨å¤§é¨’ãŽã§ã€Hooksã«ã¤ã„ã¦ã®æ–°ã—ã„記事を見ãªã„æ—¥ã¯ã‚ã‚Šã¾ã›ã‚“ã§ã—ãŸã€‚ ãã‚“ãªç››ã‚Šä¸ŠãŒã‚Šã‚‚冷ã‚ã¤ã¤ã‚ã‚Šã€Hooksも実務ã«å¯†ç€ã—ãŸã€Œå½“ãŸã‚Šå‰ã€ã®æ©Ÿèƒ½ã«ãªã£ãŸã®ã‹ãªã€ã¨æ€ã„ã¾ã—ãŸã€‚ã—ã‹ã—ãã®ä¸€æ–¹ã§ã¾ã Hooksã«ã¤ã„ã¦ã¯ã‚ˆãã‚ã‹ã‚‰ãªã„ã¨ã„ã†äººã‚‚多ãã€çŸ¥è˜ã®äºŒæ¥µåŒ–を生んã§ã„るよã†ã«æ„Ÿã˜ã¾ã™ã€‚ 世ã®ä¸ã«ã¯Reactã«ã™ã§ã«å…¨ã馴染んã§ã„る人å‘ã‘ã®Hooksã®è§£èª¬è¨˜äº‹ã¯å¤šã見当ãŸã‚Šã¾ã™ãŒã€æœ€è¿‘ã®Reactåˆå¿ƒè€…ã«å‘ã‘ã¦ã®Hooks解説記事ã¯ã‚ã¾ã‚Šå¤šãã‚ã‚Šã¾ã›ã‚“。ã“ã®è¨˜äº‹ã§ã¯ã€Hooksã«ã¤ã„ã¦å®Ÿä¾‹ã‚’示ã—ã¤ã¤Reactã®åŸºç¤Žçš„ãªé¢ã‹ã‚‰ã®è§£èª¬ã‚’è¡Œã„ã¾ã™ã€‚ Reactåˆå¿ƒè€…å‘ã‘ã®Hooks 世ã®ä¸ã«ã¯ã‚‚ã†å¤šãã®é«˜å“質ãªHo
ãªãœReactã¯æ¨™æº–ã§Componentã‚’memo化ã—ãªã„ã®ã‹ï¼Ÿ
ã¯ã˜ã‚㫠普段ã¯ã‚¹ã‚¿ãƒ¼ãƒˆã‚¢ãƒƒãƒ—ã§BtoB SaaSã®é–‹ç™ºã‚’ã—ã¦ã„ã‚‹taroã¨ç”³ã—ã¾ã™ã€‚ 今回ã¯ã€Reactã®memo化ã«ã¤ã„ã¦è€ƒãˆã¦ã„ã‚‹ä¸ã§æŠ±ã„㟠「ãªã‚“ã§Reactã¯æ¨™æº–ã§Componentã‚’memo化ã—ã¦ã„ãªã„ã‚“ã ã‚ã†ï¼Ÿã€ ã¨ã„ã†ç–‘å•ã‚’解消ã™ã‚‹ãŸã‚ã«ã€è‰²ã€…ã¨èª¿ã¹ãŸã‚Šè€ƒãˆãŸã‚Šã—ãŸå†…容をã¾ã¨ã‚ã¾ã—ãŸï¼ 途ä¸ã§renderã®ã‚¿ã‚¤ãƒŸãƒ³ã‚°ã‚„ã€memo化ã§å†renderãŒæŠ‘ãˆã‚‰ã‚Œã‚‹ç†ç”±ãªã©ã®å‰æ知è˜ã®å¾©ç¿’ã‚‚å«ã‚ã¦ã„ã¦ã€memo化ã«ã¤ã„ã¦è©³ã—ããªã„方もmemo化ã®å‹‰å¼·ã«ã‚‚ãªã‚‹ã¨æ€ã†ã®ã§ã€ãœã²ãœã²èªã‚“ã§ã¿ã¦ãã ã•ã„ãƒ¼ï¼ ãªãœã“ã‚“ãªç–‘å•ã‚’抱ã„ãŸã®ã‹ï¼Ÿ ã¾ãšã¯ãã‚‚ãも僕ãŒã‚¿ã‚¤ãƒˆãƒ«ã«ã‚るよã†ãªç–‘å•ã‚’抱ã„ãŸèƒŒæ™¯ã§ã™ã€‚ ç–‘å•ã‚’抱ãã¾ã§ã®æ€è€ƒãƒ—ãƒã‚»ã‚¹ã¯ã“ã‚“ãªæ„Ÿã˜ã§ã™ã€‚ 「å†renderãŒä½™åˆ†ã«èµ°ã£ã¦ã¦ç”»é¢ãŒé‡ã„ã‹ã‚‰æœ€é©åŒ–ã—ãŸã„ãªãƒ¼ã€ →「React.memo()を使ã£ã¦Componentã‚’memo化ã—よã†ï¼ã€ →
Remix - Build Better Websites
Focused on web standards and modern web app UX, you’re simply going to build better websites Remix is a full stack web framework that lets you focus on the user interface and work back through web standards to deliver a fast, slick, and resilient user experience. People are gonna love using your stuff. export async function loader({ request }) { return getProjects(); } export async function action
React ã‚¹ãƒ†ãƒ¼ãƒˆç®¡ç† æ¯”è¼ƒè€ƒå¯Ÿ - uhyo/blog
ã“ã‚“ã«ã¡ã¯ã€‚Reactã®è©±é¡Œã®ä¸ã§ã‚‚ã‹ãªã‚Šã®éƒ¨åˆ†ã‚’å ã‚ã‚‹ã®ãŒã‚¹ãƒ†ãƒ¼ãƒˆç®¡ç†ã€ã•ã‚‰ã«è¨€ãˆã°å„種ã®ã‚¹ãƒ†ãƒ¼ãƒˆç®¡ç†ãƒ©ã‚¤ãƒ–ラリã§ã™ã€‚今ã•ã‚‰ãªãŒã‚‰ã€Reactã«ãŠã‘るステート管ç†ã®æ‰‹æ³•ã‚„ã„ãã¤ã‹ã®ã‚¹ãƒ†ãƒ¼ãƒˆç®¡ç†ãƒ©ã‚¤ãƒ–ラリを比較考察ã—ã¦è¨˜äº‹ã«ã¾ã¨ã‚ã¾ã—ãŸã€‚ useState + ãƒã‚±ãƒ„リレーReactã«ãŠã‘る基本的ãªã‚¹ãƒ†ãƒ¼ãƒˆç®¡ç†ã¯useStateã§ã™ã€‚ã²ã¨ã¤ã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆå†…ã§å®Œçµã™ã‚‹ã‚ˆã†ãªã‚¹ãƒ†ãƒ¼ãƒˆãªã‚‰ã°useStateã¯éžå¸¸ã«é©ã—ã¦ãŠã‚Šã€ä»–ã®é¸æŠžè‚¢ã¯ã»ã¼ç„¡ã„ã¨è¨€ã£ã¦ã‚‚構ã‚ãªã„ã§ã—ょã†ã€‚ ステートをアプリケーションã®åºƒç¯„囲ã§ä½¿ã„ãŸã„å ´åˆãŒå•é¡Œã§ã™ã€‚次ã®ç”»åƒã«ä¾‹ç¤ºã•ã‚Œã‚‹ã‚ˆã†ã«ã€åˆ†å²ã—ãŸã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆãƒ„リーã®æœ«ç«¯ã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆï¼ˆä½¿ç”¨è€…）ã§åŒã˜ã‚¹ãƒ†ãƒ¼ãƒˆã‚’å‚ç…§ã—ãŸã„å ´åˆã‚’考ãˆã¾ã™ã€‚ useStateã¨çµ„ã¿åˆã‚ã›ã‚‹å ´åˆã€ã‚‚ã£ã¨ã‚‚原始的ãªæ–¹æ³•ã¯propsã®ãƒã‚±ãƒ„リレーã«ã‚ˆã‚‹ã‚‚ã®ã§ã™ã€‚propsã¯è¦ªã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã‹ã‚‰å
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