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ãŠå‰ã‚‰ã®Reactã¯é…ã„ - Qiita
ç…½ã‚Šã‚¿ã‚¤ãƒˆãƒ«ã§ã™ã¿ã¾ã›ã‚“ã€‚ æœ€è¿‘ã€Reactã®ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã®ãƒšãƒ¼ã‚¸ã‚’å‹•ã‹ã—ã¦ã„ã¦ã€ ã‚‚ã£ã•ã‚Šã—ã¦ã‚‹ï¼ˆãƒ¬ãƒ³ãƒ€ãƒªãƒ³ã‚°ã®è² è·ãŒé«˜ã„ãªï¼‰ã¨æ€ã£ãŸã®ã§ ã©ã†ã‚„ã£ãŸã‚‰ç„¡é§„ãªãƒ¬ãƒ³ãƒ€ãƒªãƒ³ã‚°ã‚’æ¸›ã‚‰ã›ã‚‹ã‹æ€è€ƒéŒ¯èª¤ã—ãŸã“ã¨ã‚’ã¾ã¨ã‚ã¾ã—ãŸã€‚ preactã¨ã‹åˆ¥ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã®è©±ã¯ã—ã¾ã›ã‚“ã€‚ ã‚ˆã‹ã£ãŸã‚‰ã“ã¡ã‚‰ã‚‚ã©ã†ãž ReactJSã§ä½œã‚‹ä»Šæ™‚ã®SPAå…¥é–€ï¼ˆåŸºæœ¬ç·¨ï¼‰ 2019å¹´07æœˆ06æ—¥è¿½è¨˜ï¼š ãƒ–ãƒ©ã‚¦ã‚¶ã®ãƒ¬ãƒ³ãƒ€ãƒªãƒ³ã‚°ã®ä»•çµ„ã¿ã«é–¢ã—ã¦è‰¯è¨˜äº‹ãŒã‚ã£ãŸã®ã§å…ˆã«ä¸€èªã—ã¦ãŠãã“ã¨ã‚’ãŠã™ã™ã‚ã—ã¾ã™ã€‚ è‰¯è¨˜äº‹ï¼‘ï¼šå®Ÿéš›ã®ã¨ã“ã‚ã€Œãƒ–ãƒ©ã‚¦ã‚¶ã‚’ç«‹ã¡ä¸Šã’ã¦ãƒšãƒ¼ã‚¸ãŒè¡¨ç¤ºã•ã‚Œã‚‹ã¾ã§ã€ã«ã¯ä½•ãŒèµ·ãã‚‹ã®ã‹ è‰¯è¨˜äº‹ï¼’ï¼šãƒ–ãƒ©ã‚¦ã‚¶ãƒ¬ãƒ³ãƒ€ãƒªãƒ³ã‚°å…¥é–€ã€œçŸ¥ã‚‹ã“ã¨ã§è¦‹ãˆã‚‹ä¸–ç•Œã€œ ï¼‘ãƒ”ã‚¯ã‚»ãƒ«ãŒãƒ–ãƒ©ã‚¦ã‚¶ã«è¡¨ç¤ºã•ã‚Œã‚‹ã¾ã§ï¼šLife of a Pixel 2018 ã“ã®è¨˜äº‹ã«é–¢ã—ã¦ã¯Reactã®DOMãƒ„ãƒªãƒ¼ï¼ˆãƒ¬ã‚¤ã‚¢ã‚¦ãƒˆï¼‰ãƒ¬ãƒ³ãƒ€ãƒªãƒ³ã‚°ã«é–¢ã™ã‚‹æœ€é©åŒ–æˆ¦ç•¥ã§ã™ã€‚ 2020å¹´02
isdh 2021/04/28
react

DOM

javascript

performance

frontend

React.js

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹
ãƒªãƒ³ã‚¯
useEffectå®Œå…¨ã‚¬ã‚¤ãƒ‰
ã‚ãªãŸã¯ Hooks ã‚’ä½¿ã£ã¦è¤‡æ•°ã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã‚’æ›¸ãã¾ã—ãŸã€‚ã¡ã‚‡ã£ã¨ã—ãŸã‚¢ãƒ—ãƒªã‚‚ä½œã£ãŸã“ã¨ãŒã‚ã‚‹ã§ã—ã‚‡ã†ã€‚æº€è¶³ã‚‚ã—ã¦ã„ã‚‹ã€‚API ã«ã‚‚æ…£ã‚Œã¦ã€ãã®éŽç¨‹ã§ã‚³ãƒ„ã‚‚æŽ´ã‚“ã§ãã¾ã—ãŸã€‚ã—ã‹ã‚‚é‡è¤‡ã—ãŸãƒã‚¸ãƒƒã‚¯ã‚’è»¢ç”¨ã§ãã‚‹ã‚ˆã† Custom Hooks ã‚’ä½œã‚Šã€åŒåƒšã«è‡ªæ…¢ã—ã¦è¦‹ãŸã‚Šã€‚ ã§ã‚‚ useEffect ã‚’ä½¿ã†åº¦ã€ã„ã¾ã„ã¡ãƒ”ãƒ³ã¨ãã¾ã›ã‚“ã€‚class ã®ãƒ©ã‚¤ãƒ•ã‚µã‚¤ã‚¯ãƒ«ã¨ã¯ä¼¼ã¦ã„ã‚‹ã‘ã©ã€ä½•ã‹ãŒé•ã†ã€‚ãã—ã¦ã„ã‚ã‚“ãªç–‘å•ã‚’æŠ±ãå§‹ã‚ã¾ã™ã€‚ ðŸ¤” componentDidMount ã‚’ useEffect ã§å†ç¾ã™ã‚‹æ–¹æ³•ã¯ï¼Ÿ ðŸ¤” useEffect å†…ã§æ£ç¢ºã«éžåŒæœŸå‡¦ç†ã‚’è¡Œã†æ–¹æ³•ã¨ã¯ï¼Ÿã€€[]ã£ã¦ãªã«ï¼Ÿ ðŸ¤” é–¢æ•°ã‚’ã‚¨ãƒ•ã‚§ã‚¯ãƒˆã®ä¾å˜é–¢ä¿‚ã¨ã—ã¦è¨˜ã™ã¹ãï¼Ÿ ðŸ¤” éžåŒæœŸå‡¦ç†ã®ç„¡é™ãƒ«ãƒ¼ãƒ—ãŒãŸã¾ã«èµ·ã“ã‚‹ã®ã¯ãªãœï¼Ÿ ðŸ¤” å¤ã„ state ã‹ props ãŒã‚¨ãƒ•ã‚§ã‚¯ãƒˆå†…ã«ãŸã¾ã«å…¥ã‚‹ã®ã¯ãªãœï¼Ÿ ç§ã‚‚ Hooks ã‚’ä½¿
isdh 2021/03/25
react

React.js

javascript

Hooks
ãƒªãƒ³ã‚¯
Hooksæ™‚ä»£ã®è¨è¨ˆã®è©± #agrinoteinside
ã‚¦ã‚©ãƒ¼ã‚¿ãƒ¼ã‚»ãƒ«æ ªå¼ä¼šç¤¾ã®ç¤¾å†…å‹‰å¼·ä¼š https://water-cell.connpass.com/event/178648/ ã§ç™ºè¡¨ã—ãŸã‚‚ã®ã§ã™ã€‚ YouTube Liveã‚¢ãƒ¼ã‚«ã‚¤ãƒ–ã¯ã“ã¡ã‚‰ https://youtu.be/ZLUie-ndKgw
isdh 2020/12/21
Hooks

ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£

è¨è¨ˆ

react

programming

React.js

frontend

architecture

javascript
ãƒªãƒ³ã‚¯
React å‰¯ä½œç”¨åˆ†å‰²ãƒ‘ã‚¿ãƒ¼ãƒ³ - mizdra
React Hooksè‡ªä½“ã®è§£èª¬è¨˜äº‹ã¯ã„ãã¤ã‹ã‚ã‚‹ã‘ã©, Hooksã®ç™»å ´ã«ã‚ˆã£ã¦ReactãŒã©ã†å¤‰ã‚ã£ãŸã®ã‹ã«ã¤ã„ã¦æ›¸ã‹ã‚Œã¦ã„ã‚‹è¨˜äº‹ãŒç„¡ã‹ã£ãŸã®ã§æ›¸ã„ãŸ ç¶™æ‰¿, Mixin, HOC, render props, Hooksã®ç™»å ´ã«ã‚ˆã£ã¦, Reactã®å‰¯ä½œç”¨åˆ†å‰²ãƒ‘ã‚¿ãƒ¼ãƒ³ãŒã©ã†å¤‰é·ã—ã¦ã„ã£ãŸã®ã‹åˆ†ã‹ã‚‹ã‚ˆã†ã«ã™ã‚‹ã“ã¨ãŒã“ã®è¨˜äº‹ã®ç›®çš„
isdh 2020/11/30
React.js

Hooks

react

ãƒ‘ã‚¿ãƒ¼ãƒ³

javascript

programming

development
ãƒªãƒ³ã‚¯
Making Sense of React Hooks
(This article is also available on the DEV community without the paywall.) This week, Sophie Alpert and I presented the â€œHooksâ€ proposal at React Conf, followed by a deep dive from Ryan Florence: I strongly recommend to watch this opening keynote to see the probl ems weâ€™re trying to solve with the Hooks proposal. However, even an hour is a big time investment, so I decided to share a few thoughts o
isdh 2020/09/30
react

javascript

Hooks

react-hooks

React.js
ãƒªãƒ³ã‚¯
Dmitri Pavlutin Blog
isdh 2019/09/13
ã‚ã¨ã§èªã‚€

javascript

development

blog

react
ãƒªãƒ³ã‚¯
React: The Virtual DOM | Codecademy
Learn the Document Object Model, the interface between JavaScript and HTML elements, and combine HTML, CSS, and JavaScript into exciting interactive sites! The Probl em DOM manipulation is the heart of the modern, interactive web. Unfortunately, it is also a lot slower than most JavaScript operations. This slowness is made worse by the fact that most JavaScript frameworks update the DOM much more t
isdh 2019/09/11
â€œManipulating the DOM is slow. Manipulating the virtual DOM is much faster, because nothing gets drawn onscreenâ€

javascript

react

DOM
ãƒªãƒ³ã‚¯
I created the exact same app in React and Vue. Here are the differences.
Having used Vue at work, I had a fairly solid understanding of it. I was, however, curious to know what the grass was like on the other side of the fence â€” the grass in this scenario being React. Iâ€™d read the React docs and watched a few tutorial videos and, while they were great and all, what I really wanted to know was how different React was from Vue. By â€œdifferentâ€, I didnâ€™t mean things such a
isdh 2018/08/13
ã‚ã¨ã§èªã‚€

JavaScript

Vue

vue.js

react
ãƒªãƒ³ã‚¯
ReactåŸºç¤Ž Â· GitBook
ReactåŸºç¤Ž ãƒ¬ãƒƒã‚¹ãƒ³ Lesson 01: ç’°å¢ƒæ§‹ç¯‰ Lesson 02: ES2015ã«ã¤ã„ã¦ Lesson 03: é–¢æ•°åž‹ã®æ›¸ãæ–¹ Lesson 04: åˆã‚ã¦ã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆ Lesson 05: åˆã‚ã¦ã®inline style Lesson 06: åˆã‚ã¦ã®props Lesson 07: é…åˆ—ã‹ã‚‰ã®å±•é–‹ Lesson 08: ãƒ•ã‚©ãƒ¼ãƒ ã®å®šç¾© Lesson 09: ãƒ•ã‚©ãƒ¼ãƒ ã«ã‚ˆã‚‹ãƒ‡ãƒ¼ã‚¿è¿½åŠ Lesson 10: ç·åˆèª²é¡Œã€Œç›®çš„ç‰¹åŒ–åž‹é›»å“ã‚’ä½œã£ã¦ã¿ã‚ˆã†ã€ ãŠã¾ã‘ Appendix 01: æ§˜ã€…ãªã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã®æ›¸ãæ–¹ Appendix 02: ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã®state Appendix 03: ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã®ãƒ©ã‚¤ãƒ•ã‚µã‚¤ã‚¯ãƒ«ãƒ¡ã‚½ãƒƒãƒ‰ Appendix 04: JSX vs. createElement Appendix 05: PropTypes Appendix 06: p
isdh 2017/08/03
react

JavaScript

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
ãƒªãƒ³ã‚¯
2016å¹´ã€ã‚µãƒ¼ãƒãƒ¼ã‚µã‚¤ãƒ‰ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãŒã‚¼ãƒã‹ã‚‰React/Reduxã‚’å¦ç¿’ã—ãŸã¨ãã®æ–¹æ³•ã‚’æŒ¯ã‚Šè¿”ã‚‹
ã“ã‚“ã«ã¡ã¯ã€‚ã‚¹ã‚¿ã‚¸ã‚ªãƒ»ã‚¢ãƒ«ã‚«ãƒŠã®ã‚µãƒ¼ãƒãƒ¼ã‚µã‚¤ãƒ‰ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãªã£ã¡ã‚ƒã‚“(@natsumican63)ã§ã™ã€‚ ã“ã®è¨˜äº‹ã¯React Advent Calendar 2016ã®13æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚ ãã‚Œã¯2016å¹´ã‚‚å¾ŒåŠã¸å·®ã—æŽ›ã‹ã£ãŸã‚ã‚‹æ—¥ã®ã“ã¨ã§ã—ãŸâ€¦ ä¸Šå¸ã€Œæ¬¡ã®æ¡ˆä»¶ã€ã“ã®è¾ºã®æŠ€è¡“ä½¿ã†ã‹ã‚‰è»½ãå‹‰å¼·ã—ã¦ãŠã„ã¦ãƒ¼ã€ ã¤ React.js + Redux.js + redux-saga + Cordova + ES6 + Babel + OnsenUI + Gulp + Webpack (ã€€ï¾ŸÐ´ï¾Ÿ) (ã¤Ð´âŠ‚)ï½ºï¾žï½¼ï½ºï¾žï½¼ (ï¼›ï¾Ÿ Ð”ï¾Ÿ) !?!? (; ï¾ŸÐ´ï¾Ÿ)ã€Œâ€¦ã‚ã€ã‚ã‹ã‚Šã¾ã—ãŸã€ â€»ã€Œä½•ã§ã‚‚ã‚„ã‚Šã¾ã™ï¼ã‚„ã‚‰ã›ã¦ãã ã•ã„ï¼ã€ãŒç§ã®å£ç™–ãªã®ã§ã€æ±ºã—ã¦ç„¡èŒ¶æŒ¯ã‚Šã—ã¦ãã‚‹å¼Šç¤¾ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã‚ˆï¼ã»ã‚“ã¨ã ã‚ˆï¼ï¼ æ–¯ãã—ã¦2016å¹´ã€ã‚µãƒ¼ãƒãƒ¼ã‚µã‚¤ãƒ‰ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãŒã¯ã˜ã‚ã¦ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã¸ã®é–€æˆ¸ã‚’é–‹ãã“ã¨ã¨ãªã£ãŸéš›ã®å¦
isdh 2016/12/13
JavaScript

Redux

react
ãƒªãƒ³ã‚¯
ãƒªã‚¢ãƒ«ãª DOM ã¯ãªãœé…ã„ã®ã‹ - steps to phantasien
ã“ã‚Œã¯ VirtualDOM Advent Calendar 2014 ã«å‹æ‰‹ã«å‚åŠ ã™ã‚‹è¨˜äº‹ã§ã™ã€‚ ã‚ãŸãŸã‹ã„æ˜¥ã®æ˜¼ä¸‹ãŒã‚Šã®ã“ã¨ã€ã‚ã‚‹ãƒ–ãƒ©ã‚¦ã‚¶ãƒ™ãƒ³ãƒ€ã®ç¤¾å†…ã‚’ä¸ç©ãªå™‚ãŒé§†ã‘å·¡ã£ãŸã€‚ ã€ŒReact.js ãªã‚‹ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã€ã©ã†ã‚‚ä»®æƒ³ DOM ã¨ã„ã†ã‚„ã¤ã®ã›ã„ã§é€Ÿã„ã‚‰ã—ã„ãžã€ ã‚‚ã†ãƒªã‚¢ãƒ«ãª DOM ã¯ãŠå½¹å¾¡å…ã€ãƒ–ãƒ©ã‚¦ã‚¶ã‚‚å•†å£²ä¸ŠãŒã£ãŸã‚Šã‹ãƒ»ãƒ»ãƒ»ã€‚é›‡ç”¨ã«ä¸å®‰ã‚’è¦šãˆã‚‹äºº(ç§)ãŒã„ã‚‹ä¸€æ–¹ã€ ãã®ã‚¢ã‚¤ãƒ‡ã‚¢ã‚’ã¨ã‚Šã“ã‚“ã§ãƒ–ãƒ©ã‚¦ã‚¶ã® DOM ã‚’é€Ÿãå‡ºæ¥ãªã„ã‹ã¨è€ƒãˆã‚‹äººãŸã¡ã‚‚ã„ãŸã€‚ ä»®æƒ³ DOM ã¯ãªãœé€Ÿã„ã®ã‹ã€‚èª°ã‹ã®ã¤ã¦ã‚’è¾¿ã£ã¦ React.js ãƒãƒ¼ãƒ ã«ãŠã„ã§ã„ãŸã ãã€é€Ÿã•ã®ç§˜å¯†ã‚’ãƒ†ãƒƒã‚¯ãƒˆãƒ¼ã‚¯ã—ã¦ã‚‚ã‚‰ã†ã€‚ ã‚¤ãƒŸãƒ¥ãƒ¼ã‚¿ãƒ–ãƒ«ãªãƒ‡ãƒ¼ã‚¿æ§‹é€ ã«ã‚ˆã‚‹å˜ç´”åŒ–ã€éžåŒæœŸé©ç”¨ã«ã‚ˆã‚‹å‡¦ç†ã®ãƒãƒƒãƒåŒ–ã€å·®åˆ†ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã«ã‚ˆã‚‹å‰¯ä½œç”¨ã®æœ€å°åŒ–â€¦ ã„ãã¤ã‹ã®ã‚¢ã‚¤ãƒ‡ã‚¢ã¯ãƒ–ãƒ©ã‚¦ã‚¶ã‹ã‚‰ã¯ã©ã†ã«ã‚‚ãªã‚‰ãªã„ãŒã€ãŸã¨ãˆã°éžåŒæœŸåŒ–ãªã‚“ã‹ã¯å½¢ã¯é•ãˆã©ãƒ–ãƒ©ã‚¦ã‚¶
isdh 2014/12/12
ã‚ã¨ã§èªã‚€

DOM

react

javascript

VirtualDOM

React.js

reactjs

js

ãƒ–ãƒ©ã‚¦ã‚¶

performance
ãƒªãƒ³ã‚¯
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