JavaScriptã®æ´å²ãã§ãã
JavaScriptã®æ´å²ãã§ãã
Intro ECMAScript ã® Private Class Field ã®ä»æ§çå®ã¨åãã©ã¦ã¶ã®å®è£ ãé²ãã§ããã ããã«ããã徿¥ã® JS ã«ã¯ãªãã£ã Class ã® Private ãã£ã¼ã«ãã使ããããã«ãªãã ææ¡ããã¦ããæ§æããæåã«ã¤ãã¦è§£èª¬ããã Class Field Declaration ã¾ãåæã¨ãã¦ãç¾ç¶ã® Class ã® ãã£ã¼ã«ãã¯ã³ã³ã¹ãã©ã¯ã¿ã§å®ç¾©ããå¿ è¦ãããã ä¾ãã° count ãã£ã¼ã«ããæã¤ Counter ã¯ã©ã¹ãå®ç¾©ããå ´åã以ä¸ã®ããã«ãªãã class Counter { constructor() { this.count = 0 } increment() { this.count ++ } display() { console.log(this.count) } } const c = new Counter() c.in
å©ç¨è ã«å¯¾ãã¦ã¡ãã»ã¼ã¸ãæèçã«ä¼ãããããããã¯ä½ãããã®è¡åãä¿ãããã«ããã¤ã¢ãã°ããã¯ã¹ã表示ããããã®æ©è½ããã©ã¦ã¶ã¼ã«ã¯è¤æ°å®è£ ããã¦ãããalertã®èå°ãå µåº«çåºèº«è ã¨ãã¦ããã®æã®æ©è½ã以ä¸ã«ã¾ã¨ããã æ©è½ UIã®å æãªã© æ©è½ãç¹å¾´ javascriptã® window.alert ã¡ã½ãã ã¿ãã¢ã¼ãã« ä»»æã®ã¡ãã»ã¼ã¸ã表示å¯è½ãç¹°ãè¿ã表示ãããå ´åã«ãããææ¢ããæ©è½ãã»ã¨ãã©ã®ãã©ã¦ã¶ã¼ã«å®è£ ããã¦ããã javascriptã® window.prompt ã¡ã½ãã ã¿ãã¢ã¼ãã« ä»»æã®ã¡ãã»ã¼ã¸ã表示å¯è½ãä»»æã®ï¼è¡ããã¹ããå ¥åã§ãããç¹°ãè¿ã表示ãããå ´åã«ãããææ¢ããæ©è½ãã»ã¨ãã©ã®ãã©ã¦ã¶ã¼ã«å®è£ ããã¦ããã javascriptã® window.confirm ã¡ã½ãã ã¿ãã¢ã¼ãã« ä»»æã®ã¡ãã»ã¼ã¸ã表示å¯è½ãOKããã£ã³ã»ã«ã®ãã¿ã³ãæã¤
æ ªå¼ä¼ç¤¾ã¯ãªã¢ã³ã¼ã > ã¯ã¯ãã° > Webã¢ããªãæ¡å¼µæ©è½ï¼ã¢ããªã³ï¼ã§ãWeb Crypto APIã使ã£ã¦ãã¼ã«ã«ã«ä¿åããããã¼ã¿ãæå·åãã â»æ³¨è¨ï¼æ¬ææ«å°¾ã®ãå ¬é鵿å·ã§ã¯ãªãå ±é鵿å·ã使ãçç±ãã®èª¬æã«ã¤ãã¦ã2019å¹´1æ30æ¥åå0æãã21æã¾ã§ã®éã®ååºæã«å 容ã®èª¤ããããã¾ãããã¾ãã2019å¹´1æ30æ¥åå0æãã2æ5æ¥20æé ã¾ã§ã®éã«ããã¦ãæ¬æä¸ã§ã® AES-CTR ã«ããæå·åå¦çãã nonce ãé©åã«æå®ãã¦ããªãããã«èå¼±ãªç¶æ ã¨ãªã£ã¦ãã¾ããããè©«ã³ãã¦è¨æ£è´ãã¾ããååºæã®å 容ã®ã¿ãã覧ã«ãªã£ã¦ããæ¹ã¯ããææ°ã§ããè¨æ£å¾ã®èª¬æãæ¹ãã¦ãåç §ä¸ããã ã¯ãªã¢ã³ã¼ãã§ä¸»ã«Mozilla製åã®ãµãã¼ãæ¥åã«å¾äºãã¦ãããçµåã§ãã FirefoxãThunderbirdãSSL/TLSã§éä¿¡ããéã¯ãéä¿¡å 容ã¯èªåçã«æå·åããã¾ãããã®ä¸
QtWebKitããã¼ã¹ã«ãããããã¬ã¹ãã©ã¦ã¶ã§ããPhantomJSã®éçºãçµäºããã2018å¹´6æ2æ¥ã«ãªãã¸ããªãã¢ã¼ã«ã¤ãããã¾ããã ariya/phantomjs: Scriptable Headless Browser 以åã«ããä¼ããã¦ãã¾ããããPhantomJSã¯QtWebKitããã¼ã¹ã«ãã¦ãã¦å®å®çãå©ç¨ãã¦ãããã¼ã¸ã§ã³ãå¤ãã¾ã¾ã§ããã ã¾ããQtWebKitã®æ°ãããã¼ã¸ã§ã³ã¸ã¢ãããã¼ããè¡ããã¼ã¿çãéçºããã¦ãã¾ããããHeadless Chromiumãå ¬éããããã¨ãå人ã§PhantomJSã®ã¡ã³ããã³ã¹ãç¶ãã¦ããã®é£ããã¨ããåé¡ãããéçºã¯åæ¢ãã¦ãã¾ããã 2017-05-03ã®JS: Headless Chrome/Firefoxã¨PhantomJS/SlimerJSãES modules - JSer.info 2017-09-05ã®J
Ryan Dahl 㯠Node.js ã® original author ã§ãããå½¼ã®ä½ã£ããããã¯ã deno ã«é¢ãããã¼ã¯ã jsconf.eu 2018 ã§ããã¾ããã Node.js ã«ãã£ã¨é¢ãã£ã¦ããåãè¦ã¦é常ã«è奮ãããããªè©±ã ã£ãã®ã§ããã°ããã¶ãã«ããã°ã«æ¸ãèµ·ãããã¨ã«ãã¾ããã èæ¯ Ryan Dahl ã¯2009å¹´ã« Node.js ã®è©±ãåãã¦å ¬ã®å ´ã«å ¬éãã¾ããããã®æã®ãå ¬ã®å ´ãã¨ããã®ããjsconf.eu 2009ãã§ãã www.youtube.com Video: Node.js by Ryan Dahl - JSConf.eu - 2009 ãã®çºè¡¨ãã Node.js ãåºã¾ããä»ããµã¼ãã®ã¿ãªãããIoTããã¤ã¹ããã¹ã¯ãããã¢ããªãªã©ãæ§ã ãªã¨ããã§åä½ãã¦ãã¾ãã ã§ãä»åã¯ãã®çºè¡¨ãã9å¹´ã®æ³æãçµéããNode.jsã«å¯¾ãã¦ã®è¨è¨ä¸
ææã§æ¸ãããã®ãå ¬éç¨ã«æ¸ãç´ãããã® åæ ããã³ãã¨ã³ãã§TDDã¯é£ãããã¨ãããã»ã¼ä¸å¯è½ã§ããããªããªãäºåã«å¯ä½ç¨ããã¼ã¿ã¨ãã¦è¡¨ç¾ã§ããã䏿ã ããã ããã¨ãã°ããªãã®ãããã¯ãã®ç»é¢ã®ä½å¦ãã«ãã¿ã³ã追å ããããã«ããã®å é¨è¡¨ç¾ãäºåã«æãæµ®ãã¹ããã¨ãå¯è½ã ãããï¼ react-redux ãªã©ã®Fluxãã¬ã¼ã ã¯ã¼ã¯ã¯å¦ä½ã«å¯ä½ç¨ãã¢ã¯ã·ã§ã³ã¨ãã¦è¡¨ç¾ãããã¨ã§ããã¹ãã»ãããã°ã®ããã®æ å ±ãæ®ãããã¨ããè¦ç¹ã§çºå±ãã¦ããå´é¢ãããããã®åé·ãªã¢ã¯ã·ã§ã³å®ç¾©ã¯ãå ¨ã¦ãããã°ã®ããã«æ¸ãã¦ããã¨è¨ã£ã¦ããéè¨ã§ã¯ãªãããããããTextã¯æåããããã¨ãã£ããã¼ããã¸ã¼ãªãã¼ã¿ã«ãªããã¡ã ããã³ãã¨ã³ãã®ç¾å®çãªåä½ãã¹ãã¯ãä»ã®éçºè ã®ããã«ãèªåãæ¸ããã³ã¼ãã®è¦æ±ãæºããã¦ãããæ¤ç¥ããææ®µã¨ãã¦ãé²è¡çã«ãã¹ãã¢ãã¿ã¼ãã¦ããããããããããç¾å®çãªææ³ããªã
Service Worker ã®å®è£ ã主è¦ãã©ã¦ã¶ã§æãå§ãã¦çãä¸ãã£ã¦ãã¾ãããããã®æµãã«ä¾¿ä¹ãã¦ä¹ ãã¶ãã« Service Worker ã®ä»æ§ãå®è£ ã«é¢ããè¨äºãæ¸ãã¦ã¿ã¾ãããä»å㯠Service Worker ã¹ã¯ãªããã®ã¤ã³ã¹ãã¼ã«ã¨æ´æ°å¦çã«ã¤ãã¦ã§ãã ãã®è¨äºã¯ Service Worker ã¹ã¯ãªãããå°ãã§ãææ¸ããã¦åããããã¨ãããäººãæ³å®èªè ã«ãã¦ãã¾ããService Worker ã«ã¤ãã¦å ¨ãç¥ããªã人ã¯ã¾ãå¥ã®å ¥éè¨äºãåç §ãã¦ãã ãããã¾ããç´°ãããã¨ãæ°ã«ããã« Service Worker ã使ããã人㯠Workbox ã¨ãã£ãã©ã¤ãã©ãªããã¬ã¼ã ã¯ã¼ã¯ã®å©ç¨ããããããã¾ãã æ´æ°å±¥æ´ 2019/09/24: Chrome 78 ãã importScripts() ãæ´æ°å¯¾è±¡ã«ãªãã¾ãããããã«ã¤ãã¦å çãã¾ããã 2018/06/07:
WeAreJavaScripters@15th https://wajs.connpass.com/event/76238/
以åãReact Redux ãç¨ãã SPA æ°è¦ãµã¼ãã¹ãéç¨ãã¦å¾ãç¥è¦ã¨å®è£ ä¾ãã¨è¨ããã¼ãã§çºè¡¨ããå 容ã«ãå çä¿®æ£ãã¦è¨äºã«ãã¦ã¿ã¾ããã2å¹´åãããåãçµãã§è¦ã¦ã®çµæãææ³ãã·ã§ã¢ã§ããã°ã¨æãã¾ãã 対象èªè SPA ã®éçºã«èå³ãããæ¹ æè¿ã® WEB ããã³ãã¨ã³ãéçºã«èå³ãããæ¹ ããç¨åº¦ React ã Redux ã触ã£ããã¨ãããæ¹ã触ãããæ¹ ç®ç å ·ä½çãªå®è£ ä¾ããã¨ã«ç¥è¦ãå ±æããWeb éçºã®å½¹ã«ç«ã¦ã¦ã»ãã ããããªå®è£ ãããã£ã¨è¯ãæ¹æ³ãããã°ãæãã¦ã»ãã å 容 ã³ã¼ããã¼ã¹ã§ã®å®è£ ä¾ã®ç´¹ä» å©ç¨ãã¦ããã©ã¤ãã©ãªãéçºç°å¢ãéçºããã¼ã®å ±æ ãã®ä» SPA ãµã¼ãã¹ãéç¨ããä¸ã§ã®æ§æãç¥è¦ React Redux ã®ãããã React Facebook ãéçºããUI ã©ã¤ãã©ãª æ§æ¥ã® DOM æä½ã«ããç¶æ 管çã props ã st
2018å¹´2æ6æ¥ ãªããããã¯ãã« Vue.js ãæ¡ç¨ããã®ã? éç¨ãã¦ã¿ã¦ã©ãã£ã ã£ã? ã¨ãã話 ä½ãç¥ããã¦ãã¾ããã Nagisa ã§ã¯ã¢ããªã ãã§ãªã Web ã®ãããã¯ãããµã¼ãã¹ãããã¾ãããã³ã¬ZERO ã UPTOON! ã æåã³ããã¯ã¸ã㳠辺ããããã§ãã ä½ãã Vue.js ã§ä½ããã¦ãã SPA ã§ã社å ã»å¤ä¸¡æ¹ãã âãªãã§ Vue.js ãªã®?â ã¨ãããèããã¾ããããã§ãä»åã¯ã©ãã㦠Vue.js ã鏿ããã®ããVue.js ã®ä½ãããã®ããVue.js ã§éç¨ãã¦ã¿ã¦ã©ãã ã£ããã®è©±ããããã¨æãã¾ãã ã¯ããã« Vue.js ãå°å ¥ããåã®ãã³ã¬ ZERO Web 㯠2.0系㮠Riot ã§ä½ããã¦ãã¾ãããä»ãã SPA ã®ãããªå½¢ã§ã¯ãªããµã¼ããµã¤ã (Go) ã«ã¦ã¡ã¿ã¿ã°ãçæã空ã®ãã¦ã³ããã¤ã³ã <div id="app"><
UIãæããã¹ã¯ãªããããæä½å¯è½ãªWebãã©ã¦ã¶ã®Headless Chromeãå©ç¨ããããã®ãã¬ã¼ã ã¯ã¼ã¯ãPuppeteerãããã¼ã¸ã§ã³1.0ã«å°éãããWebã¢ããªã±ã¼ã·ã§ã³ã®èªåãã¹ããªã©ã«å©ç¨å¯è½ã ã Googleã®Webãã©ã¦ã¶ãChromeãã¯ãã¦ã¼ã¶ã¼ã¤ã³ã¿ã¼ãã§ã¤ã¹ãæããã³ãã³ãã©ã¤ã³ããªã¢ã¼ããããã°æ©è½ãéãã¦Webãã©ã¦ã¶ãæä½ã§ãããHeadless Chromeãæ©è½ãåãã¦ãã¾ãããã®æ©è½ã¯2017å¹´6æã«ãªãªã¼ã¹ããããChrome 59ãããå®ç¾ããããã®ã§ãã Headless Chromeãå©ç¨ããã¨äººéãWebãã©ã¦ã¶ããã¦ã¹ããã¼ãã¼ãã§æä½ãããã¨ãªããããã°ã©ã ã§Headless Chromeãèµ·åããç¹å®ã®Webãã¼ã¸ãèªã¿è¾¼ã¿ãç»é¢ãã£ããã£ã®åå¾ããæå®ãããå ´æãã¯ãªãã¯ããå¤ãå ¥åãçµæãåå¾ãããã¨ãã£ãæä½ãèªåçã«è¡ãã
2011å¹´1æ15æ¥ã«JSer.infoãéå§ãã¦ãã仿¥ã§ã¡ããã©7å¹´ã¨ãªãã¾ããã ä»å¹´ã¯ç¹ã«ã¤ãã³ãããªãã®ã§ç°¡åã«JSer.infoã®æ¯ãè¿ããæ¸ãã¦ã¿ã¾ãã å»å¹´ã®ç´¹ä»è¨äº å»å¹´ä¸å¹´éã«ç´¹ä»ãããµã¤ãæ°ã¯1074ã§ããã ã¾ããä»ã¾ã§ã®ãã¹ã¦ã®ç´¹ä»ãããµã¤ãæ°ã®åè¨ã¯7691ã§ããã JSer.infoã®ç´¹ä»ãããµã¤ããã¼ã¿ã¯ãã¹ã¦ãã¼ã¿åããã¦ããã®ã§æ¬¡ã®ãã¼ã¸ããè¦ãã¾ãã jser/jser.info JSer.info Data Dashboard JSer.infoã®ã´ã¼ã« ããããã¦æ¯ãè¿ãã¨JSer.infoã®ã´ã¼ã«ã¯æ¬¡ã®ãããªãã®ã§ãã ãJavaScriptã«èå³ããã人ã«ãã£ã¨JavaScriptãç¥ã£ã¦ãããã ãJavaScriptã®æ å ±ãæ´çãã¦æ£ç¢ºã«ä¼ããã ãæ´æ°ã³ã¹ããå°ãããã¦ãç¶ç¶ã§ããå½¢ãä½ãã æ¯å¹´ãã®ææã«ãªãã¨ã´ã¼ã«ãæ¯ãè¿ã£ã¦ãããã
PySpaçµ±åæå¿µä½ã§ããããããJavaScriptãè¦ãããªããããã®æ¸ãæ¹ã¯ããè¦ããªãã¦ãããï¼ãããã代æ¿ãããï¼ã¨ãããã®ãéãã¦ã¿ã¾ããã ES6以éã®é£ããã¯ãæ§æ¥ã®æ¸ãæ¹ã«ãã©ã¹ãå¢ããã ãã§ã¯ãªãã大éã®ãæ§æ¥ã®æ¸ãæ¹ã¯ééããèªçºãããããã鿍奍ãã¨ãããã®ãä½ãåºããç¹ã«ããã¾ãã5å¹´åã10å¹´åã®æ¬ãã¦ã§ãããã¾ãå½¹ã«ç«ãã¡ã¾ããããªããæ¸ãæ¹ãè¤æ°ãããã®ã¯ã好ãå«ãã¯å½ç¶ããã¨æãã¾ãããããã¦éæ¿ã«1ã¤ã«çµã£ã¦ããã¨ãããããã¾ãããªããããã¯ããããæ°è¦ã«å¦ã¶äººããéå»ã®ããã¥ã¡ã³ããã³ã¼ããè¦ãæã«å¤ãæ å ±ãé¸å¥ããããã®ã¾ã¨ãã§ããæ®å¿µãªãããä»æã®æ¸ãæ¹ã®ã¿ã§æ§æãããæ¸ç±ãªã©ãåå¨ããªãããã§ãã ãã¶ãæç¤ºçã«æ¸ãã¦ãã¦ãèªã¿é£ã°ã人ã¯ããã¨æãã¾ããããã§ã«æ¸ãã¦ãã人åãã§ã¯ããã¾ãããããããæ¸ãã³ã¼ãããã®ã¹ã¿ã¤ã«ã«ãã¦ããã®ã¯å¥ã«ãã
ç¸è«å 容 æ¢åã®ç®¡çãã¼ã«ãæ°ããä½ãç´ãããã«æ°ããJSãã¬ã¼ã ã¯ã¼ã¯/è¨èªä½¿ãããã®ã§ãããä½ãé¸ãã ãããã§ããããï¼ ããã§é¸ãã ãã®ã¯ä»å¾æ°ããä½ãæã«ã使ç¨ãã¦ããäºå®ã®ãããå¦ç¿ã³ã¹ãããã¡ã³ããã³ã¹ãããããã®ãé¸ã³ããã¨èãã¦ãã¾ãã å©ç¨è ã¯ç¤¾å å¤ã§ç¹å®ã®æ¨©éãæã£ã人ã®ã¿ã§ããããããµã¼ããµã¤ãã¬ã³ããªã³ã°ã¯ããªãäºå®ã§ãã è¨èªã¯åããããã®ãå©ç¨ãããã®ã§ãããTypeScriptã¨Flowã®ã©ã¡ããããããã§ããããï¼ æéã«ä½è£ãããã°ããã¹ããã¬ã¼ã ã¯ã¼ã¯ããã«ããã¼ã«ã«ã¤ãã¦ããèããããã§ãã ç¾å¨ã®ãã¼ã¸/ãã¼ã jQueryãªã©ã§æ¸ããã¦ããé¨åãå¤ãã§ããã夿´ãå ãããã¨ãé£ããã¡ã³ããã³ã¹ã³ã¹ããé«ãã§ãã ãµã¼ããµã¤ãããã£ã¦ã人ãçæéã§æ¸ãJavaScriptã¨ãã£ãç¶æ³ã§ãã ä»åæ°è¦ã§æ°ãã¼ã¸ã追å ããå¿ è¦ããããããä½ãå©ç¨ããã°è¯
åäººã®æè¦ aka ãã¨ã ã§ãã çéçã«ã¯ä»ããæãããããã©ã ãããªä»ãããã¨ã£ãäºæ ã¨ãã¦ã¯ã ã¨ããæ¡ä»¶ã§SPAãReactã§ä½ãã¤ã¤ãµã¼ãã¼ãµã¤ãã¬ã³ããªã³ã°ï¼ä»¥ä¸SSRï¼ããããã¨ã«ãªããã SPAãããªããã¼ã¸ãã¾ã¨ãã¦Reactã§SSRãããã¨ã«ãªããã ãã å人çã«ã¯SPA+SSRä¸è¦è«è ãµã¼ãã¼ãµã¤ãã®ãã³ãã¬ã¼ãã¨ãã¦ã®Reactãåé·ãªã ãããæ´¾ ã§ãä»äºãªã®ã§ããã¼ãªãï¼ã客æ§ãããç³ããããªãã»ã» ãªã®ã§ããããã«ã¯åèå¯ãã¦ã¿ã¦ãååãã«ãããè¦ç´ ãè¦ã¤ãããï¼ ãã©ã©ãã ãèãã¦ããã£ã±ãæç¾©ãè¦ã¤ããããªã¼ã( ´Ðï½)=3 ã¨ããæãã§ãSSRèªä½ã®æ¯éã¯ã¾ãã©ãã§ãããã¦ããã å人çã«ãããªãã¦ãããã¨æã£ã¦ãæ°æã¡ãã¾ã¨ãããã®ã§ãã æè¡ã«æ¯ãéããªãã§ãã大äºãªã®ã¯ã©ã使ãããªã®ã§ãã ã¡ãªã¿ã«ãã£ã¦ã¿ãçµæã»ã»ã¨ããã話ã§ã¯ãªãããã£ã¦ãªã
#teppeis_sushiã¨ããã¤ãã³ãã§ãFaao - ãã¡ã¤ã³é§åè¨è¨ã§ä½ãGitHub Issue Client -ã¨ãã話ããã¾ããã Electronããã©ã¦ã¶ãªã©ã§åãfaaoã¨ããGitHubã¯ã©ã¤ã¢ã³ããæ¸ãã¦ãã¦ããã®æè¡çãªè©±ã§ãã ã¯ã©ã¤ã¢ã³ããµã¤ãã§DDDãåãå ¥ããè¨è¨ã«ãªã£ã¦ãã¦ããã®è¨è¨ãè¦ç´ã®ä½ãæ¹ããããå®ãæ¹æ³ã«ã¤ãã¦ã®è©±ããã¾ããã azu/faao: Faao is a GitHub issue/pull-request client on Electron. Living Documentation by design, with Domain-Driven Design by Cyrille Martraire [PDF/iPad/Kindle]ã¨ããç¡æããè²·ããæ¸ç±ã§ã¯ãããã¥ã¡ã³ãã¨ã³ã¼ããåãéåº¦ã§æé·ããã¦ããããã«ã¯ããã¥ã¡ã³ãã«å¯¾
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}