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It does not allow me to sleep for a year. It was broken after the last class reform. See the last sentence. For usage this should be called super, but we can't call null. This issue was closed. Now added many serious changes for ES6, so maybe makes sense fix extends null like it was proposed in #22? Usage this in extended from null constructors without super or a special case for super in those co
Please leave your sense of logic at the door, thanks! Adding JavaScript modules to the web platform April 13th, 2016 by Domenic Denicola in Elements, Processing Model, WHATWG One thing we’ve been meaning to do more of is tell our blog readers more about new features we’ve been working on across WHATWG standards. We have quite a backlog of exciting things that have happened, and I’ve been nominated
概要 Math.pow関数の代わりに新しい演算子「 ** 」でべき乗の演算ができるようになった。 例 これが n = Math.pow(3, 2) console.log(n) // 9 n = Math.pow(n, 2) console.log(n) // 81 こう書ける n = 3 ** 2 console.log(n) // 9 n **= 2 console.log(n) // 81 問題 これはどうなるだろうか? console.log( - 3 ** 2 ) 答えは『 SyntaxError 』である。 「 - 3 ** 2 」は「 (- 3) ** 2 」と「 - (3 ** 2) 」のどちらで評価されるか予想しづらい。 それは他の単項演算子についても言えるので、べき乗演算子の左辺に単項演算子が用いられた式を置くことは禁止されている。 そのため、左辺に単項マイナス演算子を
autoscale: true SC22 ECMAScript Ad hoc委員会 自己紹介 Name : azu Twitter : @azu_re Website: Web scratch, JSer.info 国際標準 WTO/TBT協定 国家規格(法規)には、既に存在する国際標準を使うことを推奨する WTO/GP協定 政府およびその関連機関が調達する物品の)性能に関する技術仕様については、既にそれが存在する場合、国際標準に基づいていなければならない 国際標準とは? WTOの協定で求められている「国際標準」とは、何なのでしょうか。実は、何も定義されていません。ISO(国際標準化機構)、IEC(国際電気標準会議)、およびITU(国際電気通信連合)の3つの国際組織が制定するものは、とりあえず「国際標準」と言ってよいであろうと、世界的に考えられています -- 標準化について | IPSJ/
- <p>ECMAScript implementations must recognize as |WhiteSpace| code points listed in the “Separator, space” (Zs) category by Unicode 5.1. ECMAScript implementations may also recognize as |WhiteSpace| additional category Zs code points from subsequent editions of the Unicode Standard.</p> + <p>ECMAScript implementations must recognize as |WhiteSpace| code points listed in the “Sep
es2016-normative-changes.txt 0}�� `es� commit e6284b9bd6977ca282bdf13d13fab4d8bf6be71b Normative: Add [?Yield] to PropertyName in AssignmentProperty commit f0ef98ae9ecdfd1ed1e14721e795f6188a3107ee Normative: Fix yield * semantics when calling .throw commit 6ba35eb8fb9aad699efdd1766c52bc9f6401d039 Normative: update Annex B regexp grammar commit d96e60a99a40fab2de0df329b3e5445ac27b8a8e Normative: Re
Most of the action on the SES-shim is happening at https://github.com/Agoric/SES-shim/tree/master/packages/ses . Moddable is also directly building a SES machine as the primary configuration of the XS implementation of JS for embedded, as standardized in Ecma TC53. The most relevant proposal these days is https://github.com/tc39/proposal-compartments which is much more up to date than this proposa
Introduction1 Scope2 Conformance3 Normative References◢4 Overview4.1 Web Scripting◢4.2 ECMAScript Overview4.2.1 Objects4.2.2 The Strict Variant of ECMAScript◢4.3 Terms and Definitions4.3.1 type4.3.2 primitive value4.3.3 object4.3.4 constructor4.3.5 prototype4.3.6 ordinary object4.3.7 exotic object4.3.8 standard object4.3.9 built-in object4.3.10 undefined value4.3.11 Undefined type4.3.12 null value
In the epic #443, we added <script type="module"> to allow execution of scripts using the ES Module syntactic goal and semantics. Previously, in https://www.w3.org/Bugs/Public/show_bug.cgi?id=22700, there was discussion of allowing modules to be the entry point for workers as well. That thread is pretty long though, and the worker-modules idea there was actually a tangent off of the original threa
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