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ECMA Script 6 Quiz
ECMAScript 6 Quiz by @mxwllt WARNING This quiz is subject to dirty tricks. Do not trust the speaker. But don't be scared to answer. var/let/const What's the output? const KEY = 'white_rabbit'; if (true) { const KEY = 'ginger_rabbit'; } console.log(KEY); white_rabbit What's the output? let x = 42; if (true) { let x = 1337; } console.log(x); 42 What's the output? let x = 42; if (true) { console.log(
ECMAScript没proposal追悼å¼
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Future of Web Security Opened up by CSP
This document summarizes Content Security Policy (CSP), a browser feature that helps mitigate cross-site scripting and other attacks. It discusses CSP's directives for controlling resource loading, browser support, syntax, and violation reporting. It also notes potential issues with abuse of CSP violation reports if not properly validated and formatted on the server-side.Read less
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ECMAScript 6
talk at COSCUP 2014 (http://coscup.org/2014/)
EcmaScript 6 - the future is here
Talk given at JsDay (Verona, Italy) - May 2014
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Canvasã€WebGLã€WebRTCã€WebSocketãªã©ã€HTML5ã®èŠ±å½¢ã‚¹ã‚¿ãƒ¼ã¨ã‚‚言ãˆã‚‹ãƒ¢ãƒ†ç³»APIã¯ã€å¸¸ã«ä¸–é–“ã®æ³¨ç›®ã‚’集ã‚ã¦ã„る。ã“れらAPIを使ã„ã“ãªã›ã‚‹ã‚¦ã‚§ãƒ–ディベãƒãƒƒãƒ‘ーã¯ã©ã“ã‹ã‚‰ã‚‚引ã£å¼µã‚Šã ã“ã ã‚ã†ã€‚ã—ã‹ã—ã€æ³¨ç›®åº¦ãŒä½Žã„ãªãŒã‚‰ã‚‚ã€ä»Šå¾Œã®ã‚¦ã‚§ãƒ–を支ãˆã‚‹ï¼ˆã‹ã‚‚ã—ã‚Œãªã„）最新ã®APIãŒæ•°å¤šãå˜åœ¨ã™ã‚‹ã€‚ã“ã®ã‚ˆã†ãªAPIã¯æ´¾æ‰‹ã•ãŒè¶³ã‚Šãªã„ゆãˆã«è©±é¡Œã«ãªã‚‹ã“ã¨ã‚‚ãªã„。ã—ã‹ã—ã€ã“れらéžãƒ¢ãƒ†ç³»ã®APIã‚‚å«ã‚ã¦HTML5ã 。 本セッションã§ã¯ã€ã‚ã‚ŠããŸã‚Šã®ãƒ¢ãƒ†ç³»APIã«é£½ããŸãƒžãƒ‹ã‚¢ãªè²´æ–¹ã®ãŸã‚ã«ã€æ™®æ®µã¯é™½ã®å½“ãŸã‚‰ãªã„APIを一挙紹介ã™ã‚‹ã€‚ã‚‚ã¡ã‚ã‚“ã€ã©ã‚Œã‹ã®ãƒ–ラウザーã«å®Ÿè£…ã•ã‚Œã¦ã„ã‚‹APIã®ã¿ã 。今ã‹ã‚‰ä½¿ãŠã†ã¨æ€ãˆã°ä½¿ãˆãªã„ã“ã¨ã¯ãªã„。ãã—ã¦ã€W3Cã«ã¦ä»•æ§˜ç–定ãŒå§‹ã¾ã£ã¦æ—¥ãŒæµ…ã„ãŸã‚ã€æ˜Žæ—¥ã«ã¯ã©ã†ãªã‚‹ã‹åˆ†ã‹ã‚‰ãªã„。無ããªã‚‹ã‹ã‚‚ã—ã‚Œãªã„ã—ã€å¤§å¹…ã«å¤‰æ›´ã•ã‚Œã¦ã—ã¾ã†ã‹ã‚‚ã—ã‚Œãªã„。今覚ãˆã¦ã‚‚å½¹ã«ç«‹ãŸ
JavaScript (ECMAScript) 2013
1. Draft Ecma/TC39/2013/0xx ECMA-262 6th Edition / Draft November 8, 2013 Draft ECMAScript Language Specification JavaScript 2013 Report Errors and Issues at: https://bugs.ecmascript.org Product: Draft for 6th Edition Component: choose an appropriate one Version: Rev 21, November 8, 2013 Draft ECMAScript 6th & JavaScript Fast Parts @HTML5 Conference 2013 by Tomoya Asai (dynamis) Reference number E
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Javascript as a Platform
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Effective JavaScript Ch.1
5. 余談 • 類書ã«ã€ŽJavaScript: The Good Partsã€ã¨ã„ã†ã®ãŒã‚ã£ã¦ã“れも良ㄠ本ã ã‘ã©ã€åŽŸç†ä¸»ç¾©ã™ãŽã¦ç›²ä¿¡ã™ã‚‹ã¨ 副作用ãŒã‚ã‚Šã¾ã™ã€‚ã„ã‚ã„ã‚分ã‹ã£ã¦ ã‹ã‚‰èªã‚€ã¨ãƒ‹ãƒ¤ãƒ‹ãƒ¤ã§ãる。 • 『Effective JavaScriptã€ã®æ–¹ã¯ 安心ã—ã¦å‚考ã«ã§ãるプラクティスを åŽéŒ²ã—ã¦ã„ã‚‹å°è±¡ã§ã™ã€‚
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A better future for comprehensions
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How Firefox Makes Your JavaScript Run Fast | by Nathan Froyd @froydnj
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