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AtScript (now defunct) is a JavaScript based scripting language extending Microsoft's Typescript. It was announced by Google in late October 2014 at the (ng-europe conference ). AtScript was created by Google's AngularJS team as the language of the upcoming AngularJS 2.0 web development framework. The public language specification is a draft.〔(【引用サイトリンク】title=AtScript Primer )〕 It states that plain JavaScript code (ES5 or ES6) is valid AtScript code, as it is a superset of Microsoft's TypeScript. AtScript builds on ECMAScript 6 with types (through TypeScript), and extends it by annotations (type annotations, field annotations, metadata annotations) and type introspection. To sum up, AtScript is ECMAScript 6 with types, annotations and introspection.〔(【引用サイトリンク】title=Improving JavaScript: Google throws AtScript into the mix )〕 The name “AtScript” comes from the @ (“at”) symbol used for annotations in many languages (Dart, Java) and the “script” word (as in JavaScript, TypeScript, CoffeeScript). In March 2015, the Angular team and Typescript blog announced that AtScript development was abandoned and that features of AtScript would be implemented in TypeScript.〔(【引用サイトリンク】title=State of 1 x - Pawel Kozlowski & Lucas Galfaso )〕〔(【引用サイトリンク】title=Angular 2: Built on TypeScript )〕 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「AtScript」の詳細全文を読む スポンサード リンク
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