AtScript
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AtScript was a proposed
JavaScript JavaScript (), often abbreviated as JS, is a programming language that is one of the core technologies of the World Wide Web, alongside HTML and CSS. As of 2022, 98% of Website, websites use JavaScript on the Client (computing), client side ...
-based
scripting language A scripting language or script language is a programming language that is used to manipulate, customize, and automate the facilities of an existing system. Scripting languages are usually interpreted at runtime rather than compiled. A scripting ...
extending Microsoft's
TypeScript TypeScript is a free and open source programming language A programming language is a system of notation for writing computer programs. Most programming languages are text-based formal languages, but they may also be graphical. They are ...
and transcompiling to JavaScript. It was introduced in October 2014 at the ng-Europe conference by the developers of
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's
AngularJS AngularJS is a discontinued free and open-source JavaScript-based web framework for developing single-page applications. It was maintained mainly by Google and a community of individuals and corporations. It aimed to simplify both the development ...
web development framework as the language that the upcoming Angular 2.0 would be built with. AtScript was originally intended to run on top of TypeScript, while including some features from
Dart Dart or DART may refer to: * Dart, the equipment in the game of darts Arts, entertainment and media * Dart (comics), an Image Comics superhero * Dart, a character from ''G.I. Joe'' * Dart, a ''Thomas & Friends'' railway engine character * Dar ...
. In October 2014, Google announced that Angular 2.0 would be written in AtScript. In March 2015, Microsoft announced that many of AtScript's features would be implemented in the TypeScript 1.5 release, and that Angular 2.0 would be built on pure TypeScript. The name “AtScript” comes from the @ “at” symbol used for annotations in many languages (e.g.
Java annotation In the Java computer programming language, an annotation is a form of syntactic metadata that can be added to Java source code. Classes, methods, variables, parameters and Java packages may be annotated. Like Javadoc tags, Java annotations can ...
s and Python decorators).


References

JavaScript programming language family Scripting languages {{compu-stub