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Big Changes Ahead for Deno
TLDR: Weâ€™ve been working on some updates that will allow Deno to easily import npm packages and make the vast majority of npm packages work in Deno within the next three months. Our goal is to make Deno the fastest JavaScript runtime. For starters, the next release of Deno will include a new HTTP server. It is the fastest JavaScript web server ever built. Given the extensive use of Deno by develop
cu39 2022/08/16
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coding

javascript
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Roll your own JavaScript runtime
In this post weâ€™ll walk through creating a custom JavaScript runtime. Letâ€™s call it runjs. Think of it as building a (much) simplified version of deno itself. A goal of this post is to create a CLI that can execute local JavaScript files, read a file, write a file, remove a file and has simplified console API. Letâ€™s get started. Update 2022-12-04: updated the code samples to the latest version of
cu39 2022/07/29
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coding

rust

javascript

deno
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Reverse Engineering Vercel App Deployment
cu39 2021/11/28
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coding

javascript

next.js
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cu39 2021/01/27
coding

javascript

web

trouble

jquery
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TypeScriptã®ã€ã¯ã¦ãªãµãŸã¤ã®æ¼”ç®—åã‚„ã€ã¯ã¦ãªãƒ‰ãƒƒãƒˆã®æ¼”ç®—åã¯ã€JavaScriptã®æ–°ã—ã„æ§‹æ–‡ã ã£ãŸ - æ¯Žæ—¥ã¸ã£ã½ã“
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cu39 2021/01/10
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fixpackã§package.jsonã®å„é …ç›®ã‚’ä¸¦ã³æ›¿ãˆã‚‹ - Qiita
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cu39 2020/12/13
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ã“ã®æ›¸ç±ã«ã¤ã„ã¦ Â· JavaScript Plugin Architecture
JavaScript Plugin Architecture ã“ã®æ›¸ç±ã¯JavaScriptã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚„ãƒ„ãƒ¼ãƒ«ã«ãŠã‘ã‚‹ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã«ã¤ã„ã¦è¦‹ã¦ã„ãã“ã¨ã‚’ç›®çš„ã¨ã—ãŸã‚‚ã®ã§ã™ã€‚ æ¬¡ã®å½¢å¼ã§èªã‚€ã“ã¨ãŒã§ãã¾ã™ã€‚ Webç‰ˆ PDFå½¢å¼ ePubå½¢å¼ Mobiå½¢å¼ ã“ã®æ›¸ç±ã®ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã¯ã€æ¬¡ã®GitHubãƒªãƒã‚¸ãƒˆãƒªã«å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ azu/JavaScript-Plugin-Architecture: JavaScriptãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã®æœ¬ Twitterã®ãƒãƒƒã‚·ãƒ¥ã‚¿ã‚°ã¯#js_plugin_book æ›´æ–°æƒ…å ±ã¯RSSã‚„ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆã‹ã‚‰è¦‹ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã¯ã˜ã‚ã« JavaScriptã®ä¸–ç•Œã§ã¯1ã¤ã®å¤§ããªãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚ˆã‚Šã‚‚å°ã•ãªãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’çµ„ã¿åˆã‚ã›ã¦ã„ãã‚ˆã†ãªã‚¹ã‚¿ã‚¤ãƒ«ãŒå¤šãè¦‹ã‚‰ã‚Œã¾ã™ã€‚å°ã•ãªã‚‚ã®ã‚’çµ„ã¿åˆã‚ã›ã¦ä½œã‚‹ãŸã‚ã«ã¯ã€ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã¨å‘¼ã°ã‚Œã‚‹æ‹¡å¼µã®ä»•çµ„ã¿ãŒå¿…è¦ã¨ãª
cu39 2020/09/06
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JavaScript Primer 2.0 - ECMAScript 2020ã«å¯¾å¿œã—ãŸå…¥é–€æ›¸ã‚’å…¬é–‹ã—ã¾ã—ãŸ
ECMAScript 2020ã®å¤‰æ›´ã«å¯¾å¿œã—ãŸJavaScriptã®å…¥é–€æ›¸ã¨ã—ã¦JavaScript Primer 2.0.0ã‚’å…¬é–‹ã—ã¾ã—ãŸã€‚ JavaScript Primerã®ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã‹ã‚‰é–²è¦§ã§ãã¾ã™ã€‚ ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆ: https://jsprimer.net/ ã‚µãƒžãƒªIssue: ECMAScript 2020ã®å¯¾å¿œ Â· Issue #1145 Â· asciidwango/js-primer å¤‰æ›´å†…å®¹ã®è©³ç´°ã¯ãƒªãƒªãƒ¼ã‚¹ãƒŽãƒ¼ãƒˆã‚’å‚ç…§ã—ã¦ãã ã•ã„ã€‚ Release 2.0.0: ECMAScript 2020å¯¾å¿œ Â· asciidwango/js-primer 2.0.0ã®ç›®çš„ JavaScript Primerã¯ã€ç¶™ç¶šçš„ã«ãƒ¡ãƒ³ãƒ†ãƒŠãƒ³ã‚¹ã™ã‚‹ãŸã‚ã«OSSã¨ã—ã¦é–‹ç™ºã—ã¦ã„ã¾ã™ã€‚ ECMAScriptã®ä»•æ§˜ã¯å¹´ã«ä¸€åº¦ã‚¢ãƒƒãƒ—ãƒ‡ãƒ¼ãƒˆã•ã‚Œã¦ã„ã¦ã€ç¾å®Ÿã§ã®JavaScriptã®ä½¿ã‚ã‚Œæ–¹ã‚‚å¤‰åŒ–ã—ã¦ã„ã
cu39 2020/09/02
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Deno 1.0
Dynamic languages are useful tools. Scripting allows users to rapidly and succinctly tie together complex systems and express ideas without worrying about details like memory management or build systems. In recent years programming languages like Rust and Go have made it much easier to produce sophisticated native machine code; these projects are incredibly important developments in computer infra
cu39 2020/05/14
coding

javascript
ãƒªãƒ³ã‚¯
JavaScriptç·´ç¿’å•é¡Œé›†(ECMAScript2015,2016,2017,2018,2019,2020, 2021, 2022, 2023, 2024, 2025, other Library)
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cu39 2020/04/25
coding

javascript

learn
ãƒªãƒ³ã‚¯
GitHubãŒnpmã®è²·åŽã‚’ç™ºè¡¨ã€JavaScriptã®ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ç®¡ç†ã‚µãƒ¼ãƒ“ã‚¹ã€‚å°†æ¥çš„ã«ã¯GitHubã¨npmã‚’çµ±åˆã¸
GitHubãŒnpmã®è²·åŽã‚’ç™ºè¡¨ã€JavaScriptã®ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ç®¡ç†ã‚µãƒ¼ãƒ“ã‚¹ã€‚å°†æ¥çš„ã«ã¯GitHubã¨npmã‚’çµ±åˆã¸ GitHubã¯ã€JavaScriptã®ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ç®¡ç†ã‚µãƒ¼ãƒ“ã‚¹ã‚’æä¾›ã™ã‚‹npmã®è²·åŽã‚’ç™ºè¡¨ã—ã¾ã—ãŸï¼ˆGitHubã®ç™ºè¡¨ã€npmã®ç™ºè¡¨ï¼‰ã€‚ Weâ€™re excited to announce that @npmjs will be joining GitHub. Millions of JavaScript developers rely on npm, and weâ€™re honored to support this community in a new way. Learn more at https://t.co/MsQMc1rIJd pic.twitter.com/CUuPojccpm â€” GitHub (@github) March 16, 2020 npmã¯No
cu39 2020/03/17
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github

javascript
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2019å¹´ã€2020å¹´ã®JavaScript - åˆ¥ã«ã—ã‚“ã©ããªã„ãƒ–ãƒã‚°
ã“ã®è¨˜äº‹ã¯ JavaScript Advent Calendar 2019 - Qiita ã®åˆæ—¥ã®è¨˜äº‹ã§ã™ã€‚ 2019å¹´ã‚’ç· ã‚ããã‚‹ã‚¢ãƒ‰ãƒ™ãƒ³ãƒˆã‚«ãƒ¬ãƒ³ãƒ€ãƒ¼ã®åˆæ—¥ã¨ã„ã†ã“ã¨ã§ã€ä»Šå¹´ã®JavaScriptã‚’ç°¡å˜ã«æŒ¯ã‚Šè¿”ã‚ŠãŸã„ã¨æ€ã„ã¾ã™ã€‚2020å¹´ã®JavaScriptã«ã¤ã„ã¦ã‚‚äºˆç¿’ã—ã¾ã—ã‚‡ã†ã€‚ 2019å¹´ã€2020å¹´ãŒä½•ã‚’æŒ‡ã—ã¦ã„ã‚‹ã‹ã¯å¾Œè¿°ã—ã¾ã™ã€‚ ã‚«ãƒ†ã‚´ãƒªãŒã€Œãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã€ãªã®ã§ã€Reactã€Vueã€Angularã‚„Node.jsãªã©JavaScriptã‚’ä½¿ã£ãŸæŠ€è¡“ã§ã¯ãªãã€JavaScriptã®è¨€èªžæ©Ÿèƒ½ã«ãƒ•ã‚©ãƒ¼ã‚«ã‚¹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã¯ã˜ã‚ã« ES2019 Optional catch binding JSON superset Symbol.prototype.description Object.fromEntries Well-formed JSON.stringify Arr
cu39 2019/12/02
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javascript

update

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This web page has moved
â€œJavaScript for impatient programmersâ€ is now â€œExploring JavaScriptâ€. Youâ€™ll be transported to the new website.
cu39 2019/11/15
coding

javascript

book

learn
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The best way to test Redux Sagas
cu39 2019/11/08
redux-sagaã®ãƒ†ã‚¹ãƒˆç”¨ãƒ¦ãƒ¼ãƒ†ã‚£ãƒªãƒ†ã‚£recordSaga

coding

javascript

react.js

redux

testing
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Generator Arrow Functions
cu39 2019/10/31
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TypeScriptã®`--esModuleInterop`ã¯ä¸€ä½“ä½•ã‚’ã‚„ã£ã¦ã„ã‚‹ã®ã‹ - stone's throw
ãã‚“ãªã‚ªãƒ—ã‚·ãƒ§ãƒ³ã‚ã£ãŸã‚“ã§ã™ã‹ TypeScript2.7ã§è¿½åŠ ã•ã‚ŒãŸã‚‰ã—ã„ã€‚ ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§trueã¨ãªã‚‹ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã€‚ Announcing TypeScript 2.7 | TypeScript ã¾ãšã¯ã©ã†ãªã‚‹ã‹ãƒã‚§ãƒƒã‚¯ tsconfig.jsonã«esModuleInterop: falseã‚’ã‚»ãƒƒãƒˆã—ãŸæ™‚ã¨ã€esModuleInterop: trueã‚’ã‚»ãƒƒãƒˆã—ãŸæ™‚ã§é•ã„ã‚’è¦‹ã‚‹ã€‚ ã‚ªãƒ—ã‚·ãƒ§ãƒ³ãªã— //controller.ts //falseã®å ´åˆã€CommonJSã¯requireã§èªã¿è¾¼ã¾ãªã‘ã‚Œã°ãªã‚‰ãªã„ import commonjs = require('../CommonJS') import esmodule from '../EsModule1' import * as esmodule2 from '../EsModule2' const commonobj = new c
cu39 2019/10/21
coding

javascript

typescript
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JavaScript Primer - è¿·ã‚ãªã„ãŸã‚ã®å…¥é–€æ›¸ #jsprimer
JavaScript Primer è¿·ã‚ãªã„ãŸã‚ã®å…¥é–€æ›¸ Tweet Watch Star Twitterã®ãƒãƒƒã‚·ãƒ¥ã‚¿ã‚°: #jsprimer ã“ã‚Œã‹ã‚‰JavaScriptã‚’å¦ã³ãŸã„äººãŒã€ECMAScript 2015ä»¥é™ã‚’ãƒ™ãƒ¼ã‚¹ã«ã—ã¦ä¸€ã‹ã‚‰JavaScriptã‚’å¦ã¹ã‚‹æ›¸ç±ã§ã™ã€‚ ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚’ã‚„ã£ãŸã“ã¨ãŒã‚ã‚‹ãŒã€ä»Šã®JavaScriptãŒã‚ˆãã‚ã‹ã‚‰ãªã„ã¨ã„ã†äººãŒã€ ä»Šã®JavaScriptã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’èªã¿æ›¸ãã§ãã‚‹ã‚ˆã†ã«æ›¸ã‹ã‚Œã¦ã„ã¾ã™ã€‚ åˆã‚ã¦ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã¨ã—ã¦JavaScriptã‚’å¦ã¶äººã¯ã€ã¾ãšã¯ã€Œã¯ã˜ã‚ã«ã€ã‹ã‚‰èªã‚“ã§ã¿ã¦ãã ã•ã„ã€‚ æ›¸ç±ç‰ˆ ã“ã®ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã®å†…å®¹ã¯ã‚¢ã‚¹ã‚ãƒ¼ãƒ‰ãƒ¯ãƒ³ã‚´ã‹ã‚‰æ›¸ç±ã¨ã—ã¦å‡ºç‰ˆã•ã‚Œã¦ã„ã¾ã™ã€‚ æ›¸ç±ç‰ˆã®å†…å®¹ã¯ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆç‰ˆã¨åŒä¸€ã§ã™ãŒã€æœ¬ã¨ã—ã¦èªã‚ã‚‹ã‚ˆã†ã«æœ€é©åŒ–ã•ã‚Œã¦ã„ã¾ã™ã€‚ æ›¸ç±ç‰ˆã¯æ¬¡ã®ã‚µã‚¤ãƒˆã‹ã‚‰è³¼å…¥ã§ãã¾ã™ã€‚ Amazon é”äººå‡ºç‰ˆä¼šï¼ˆé›»åæ›¸ç±ç‰ˆ
cu39 2019/09/26
coding

javascript

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ã€ãƒ›ãƒƒãƒˆãƒªãƒãƒ¼ãƒ‰ã€‘nodejs + TypeScriptã§ã‚µãƒ¼ãƒãƒ¼ã‚µã‚¤ãƒ‰ã‚’é–‹ç™ºã—ã¦ã„ã‚‹æ™‚ã«ã€ã‚³ãƒ¼ãƒ‰ã‚’ç·¨é›†ã—ãŸã‚‰è‡ªå‹•ãƒªãƒãƒ¼ãƒ‰ã•ã›ã‚‹ã€‚ - aknow2
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cu39 2019/09/25
coding

typescript

jsdom

javascript
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enzyme ã¨ react-test-renderer ã¨ @testing-library/react ã‚’ç´ æœ´ã«è©¦ã™ - ãã¿ã¯ãã“ã¿ãŸã„ãªã«ã‚ƒã‚“ã«ã‚ƒã‚“ãªã¾ã»ã†
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cu39 2019/09/25
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coding

javascript

react.js

testing
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React ã®ãƒ†ã‚¹ãƒˆã¯ react-dom/test-utils ã‹ã‚‰ @testing-library/react ã«é€²ã‚€ã¨ç†è§£ã—ã‚„ã™ãã† - ãã¿ã¯ãã“ã¿ãŸã„ãªã«ã‚ƒã‚“ã«ã‚ƒã‚“ãªã¾ã»ã†
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cu39 2019/09/25
coding

javascript

react.js

testing
ãƒªãƒ³ã‚¯
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