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JavaScript Promiseã®æœ¬
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learn 2016/06/30
ECMAScript6

JavaScript

book
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Learn ES2015 Â· Babel
This document was originally taken from Luke Hoban's excellent es6features repo. Go give it a star on GitHub! Introductionâ€‹ ECMAScript 2015 is an ECMAScript standard that was ratified in June 2015. ES2015 is a significant update to the language, and the first major update to the language since ES5 was standardized in 2009. Implementation of these features in major JavaScript engines is underway no
learn 2016/06/02
ECMAScript

ES2015

ECMAScript6

JavaScript
ãƒªãƒ³ã‚¯
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learn 2015/09/07
ECMAScript6

JavaScript
ãƒªãƒ³ã‚¯
Direct Proxiesã§method missingçš„ãªã“ã¨ã‚’ã‚„ã‚‹ - Qiita
Direct Proxiesã¨ã¯ Direct Proxiesã£ã¦ã®ã¯ES6ã®æ©Ÿèƒ½ã®ä¸€ã¤ã§ã€ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ãƒ©ãƒƒãƒ—ã—ã¦æ§˜ã€…ãªã‚¿ã‚¤ãƒŸãƒ³ã‚°ã§ä»»æ„ã®å‡¦ç†ã‚’å·®ã—è¾¼ã‚ã‚‹ã¨ã„ã†ã¨ã£ã¦ã‚‚å¤¢åºƒãŒãƒªãƒ³ã‚°ãªæ©Ÿèƒ½ã€‚ harmony:direct_proxies [ES Wiki] ä¾‹ãˆã°ã€ãƒ—ãƒãƒ‘ãƒ†ã‚£ã®get/setæ™‚ã«å‡¦ç†ã‚’å·®ã—è¾¼ã‚€ã®ã¯ã“ã‚“ãªæ„Ÿã˜ã€‚ ï¼ˆDirect Proxiesã¯ç¾çŠ¶ã ã¨Firefoxã§ã—ã‹å‹•ã‹ãªã„ã€‚ãã—ã¦ä¸‹è¨˜ã®ã‚³ãƒ¼ãƒ‰ã¯ç„¡é§„ã«ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆãƒªãƒ†ãƒ©ãƒ«ä½¿ã£ã¦ã‚‹ã®ã§Firefox 34ä»¥ä¸Šã˜ã‚ƒãªã„ã¨å‹•ã‹ãªã„ï¼‰ // Proxyã‚’ä½¿ã£ã¦å‡¦ç†ã‚’æ›¸ãæ›ãˆã‚‹å¯¾è±¡ã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆ var target = { foo: 'bar' }; // Proxyã‚’ä½¿ã£ã¦targetã«å¯¾ã—ã¦handlerã‚’é©ç”¨ã—ãŸproxyã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’å¾—ã‚‹ var proxy = new Proxy(target, { // ãƒ—ãƒãƒ‘ãƒ†ã‚£èª
learn 2014/12/08
javascript

ECMAScript6
ãƒªãƒ³ã‚¯
ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆãƒªãƒ†ãƒ©ãƒ«ãŒå®Ÿè£…ã•ã‚ŒãŸ - JS.next
æ¦‚è¦ ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆæ–‡å—åˆ—ã‚’è¨˜è¿°ã§ãã‚‹æ§‹æ–‡ãŒå®Ÿè£…ã•ã‚ŒãŸã€‚ ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆãƒªãƒ†ãƒ©ãƒ« åŸºæœ¬ã®ä½¿ã„æ–¹ ãƒãƒƒã‚¯ã‚¯ã‚ªãƒ¼ãƒˆã€Ž ` ã€ã§å›²ã‚“ã æ–‡å—ãŒã€æ–‡å—åˆ—ãƒªãƒ†ãƒ©ãƒ«åŒæ§˜ã«æ–‡å—åˆ—ã¨ã—ã¦è©•ä¾¡ã•ã‚Œã‚‹ã€‚ var t = `ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆ` var s = "ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆ" console.log(t) // "ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆ" console.log(t == s) // true æ”¹è¡ŒãŒãã®ã¾ã¾èªè˜ã•ã‚Œã‚‹ã€‚ var t = `ãƒ†ãƒ³ãƒ— ãƒ¬ãƒ¼ãƒˆ` var s = "ãƒ†ãƒ³ãƒ—\n"+ "ãƒ¬ãƒ¼ãƒˆ" console.log(t) // "ãƒ†ãƒ³ãƒ—âŽãƒ¬ãƒ¼ãƒˆ\t" console.log(t == s) // true æ–‡å—åˆ—ä¸ã«å¤‰æ•°ãªã©ã‚’åŸ‹ã‚è¾¼ã‚€ ãƒªãƒ†ãƒ©ãƒ«ä¸ã®ã€Ž${ã€ã¨ã€Ž}ã€ã§å›²ã¾ã‚ŒãŸéƒ¨åˆ†ã¯å¼ã¨ã—ã¦è©•ä¾¡ã•ã‚Œã‚‹ã€‚ var n = 123, f = () => 339 var t = `0${ n }45${ f() * 2 }9` v
learn 2014/11/23
JavaScript

ECMAScript6
ãƒªãƒ³ã‚¯
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