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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. Rust added support for async/await with version 1.39.0 in 2019 using the async keyword and the .await postfix operator, both introduced in the 2018 edition of the language. [11]
C#, since .NET Framework 4.5, [22] via the keywords async and await [23] Kotlin, however kotlin.native.concurrent.Future is only usually used when writing Kotlin that is intended to run natively [35] Nim; Oxygene; Oz version 3 [36] Python concurrent.futures, since 3.2, [37] as proposed by the PEP 3148, and Python 3.5 added async and await [38]
Asynchronous Javascript testing framework Tyrtle: Yes: Yes [241] Testing framework which allows expressive assertions and interactive test output wru: Compatible: Yes: Yes [242] General purpose environment agnostic sync/async JavaScript test framework. Compatible with any browser, desktop or mobile, node.js, Rhino, and phantom.js. Tiny ...
Ajax (also AJAX / ˈ eɪ dʒ æ k s /; short for "asynchronous JavaScript and XML" [1] [2]) is a set of web development techniques that uses various web technologies on the client-side to create asynchronous web applications.
The CoffeeScript compiler has been self-hosting since version 0.5 and is available as a Node.js utility; however, the core compiler does not rely on Node.js and can be run in any JavaScript environment. [17] One alternative to the Node.js utility is the Coffee Maven Plugin, a plugin for the Apache Maven build system.
Asynchronous IO is supported either via the asyncdispatch module in the standard library or the external chronos library. [83] Both libraries add async/await syntax via the macro system, without need for special language support. An example of an asynchronous HTTP server:
In this example, the reqwest crate is used to request the HyperText Markup Language (HTML) for English Wikipedia.To ensure that the request is not immediately handled, Tokio wraps the function call into an asynchronous runtime, waiting for the request to complete before calling println().
Playwright supports programming languages like JavaScript, Python, C# and Java, though its main API was originally written in Node.js. It supports all modern web features including network interception and multiple browser contexts and provides automatic waiting, which reduces the flakiness of tests.