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In the Dojo Toolkit's Deferred API as of version 1.5, a consumer-only promise object represents a read-only view. [7] In Alice ML, futures provide a read-only view, whereas a promise contains both a future and the ability to resolve the future [8] [9] In .NET System.Threading.Tasks.Task<T> represents a read-only view.
Python added support for async/await with version 3.5 in 2015 [9] adding 2 new keywords, async and await. TypeScript added support for async/await with version 1.7 in 2015. [10] JavaScript added support for async/await in 2017 as part of ECMAScript 2017 JavaScript edition.
Julia—"concurrent programming primitives: Tasks, async-wait, Channels." [15] JavaScript—via web workers, in a browser environment, promises, and callbacks. JoCaml—concurrent and distributed channel based, extension of OCaml, implements the join-calculus of processes; Join Java—concurrent, based on Java language
CherryPy is an object-oriented web application framework using the Python programming language.It is designed for rapid development of web applications by wrapping the HTTP protocol but stays at a low level and does not offer much more than what is defined in RFC 7231.
Athena is a Nevow component which facilitates bi-directional, asynchronous communication between the Python and JavaScript portions of a web application in the form of remote procedure calls. This technique is typically called Ajax or Comet , though Nevow's implementation predates both of these labels. [ 24 ]
The ActiveX version is still supported in Internet Explorer and on "Internet Explorer mode" in Microsoft Edge. The utility of these background HTTP requests and asynchronous Web technologies remained fairly obscure until it started appearing in large scale online applications such as Outlook Web Access (2000) [ 8 ] and Oddpost (2002).
In event driven architectures, synchronous transactions can be achieved through using request-response paradigm and it can be implemented in two ways: [16] Creating two separate queues: one for requests and the other for replies. The event producer must wait until it receives the response. Creating one dedicated ephemeral queue for each request.
CommonJS's specification of how modules should work is widely used today for server-side JavaScript with Node.js. [1] It is also used for browser-side JavaScript, but that code must be packaged with a transpiler since browsers don't support CommonJS. [1]