Ecma-262.pdf (application/pdf オブジェクト)
ECMAScript® 2025 language specification 16th edition, June 2025 This Standard defines the ECMAScript 2025 general-purpose programming language. Kindly note that the normative copy is the HTML version; the PDF version has been produced to generate a printable document. This 16th edition has been prepared under the Ecma RF patent policy. Please note that for ECMAScript Edition 4 the Ecma standard nu
ECMAScript 6 compatibility table
V8 SpiderMonkey JavaScriptCore Chakra Carakan KJS Other ⬤ Minor difference (1 point) ⬤ Small feature (2 points) ⬤ Medium feature (4 points) ⬤ Large feature (8 points) Compilers/polyfills Desktop browsers Servers/runtimes Mobile Feature name Current browser ES6 Trans- piler Traceur Babel 6 + core-js 2 Babel 7 + core-js 2 Babel 7 + core-js 3 Closure 2020.09 Closure 2021.08 Closure 2021.09 Closure 20
JavaScript にクラスは作れますか？ - hogehoge @teramako
参考： 最強オブジェクト指向言語 JavaScript 再入門！ > JavaScript でクラスは作れますか？ 無理ポ。 では、クラスっぽいものは作れますか？ だから、無理ポ。
ECMAScript Language Specification (ECMA-262 5th Edition)
This is not the official ECMAScript Language Specification. The official specification is the PDF document located at http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf. This HTML version was created from the original PDF version by a preposterous concatenation of hacks. It very likely contains errors and the official standard and errata are of course definitive. For copyrig
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