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  2. Design by contract - Wikipedia

    en.wikipedia.org/wiki/Design_by_contract

    The central idea of DbC is a metaphor on how elements of a software system collaborate with each other on the basis of mutual obligations and benefits. The metaphor comes from business life, where a "client" and a "supplier" agree on a "contract" that defines, for example, that:

  3. Futures and promises - Wikipedia

    en.wikipedia.org/wiki/Futures_and_promises

    Futures can easily be implemented in channels: a future is a one-element channel, and a promise is a process that sends to the channel, fulfilling the future. [ 104 ] [ 105 ] This allows futures to be implemented in concurrent programming languages with support for channels, such as CSP and Go .

  4. JavaScript syntax - Wikipedia

    en.wikipedia.org/wiki/JavaScript_syntax

    var x1 = 0; // A global variable, because it is not in any function let x2 = 0; // Also global, this time because it is not in any block function f {var z = 'foxes', r = 'birds'; // 2 local variables m = 'fish'; // global, because it wasn't declared anywhere before function child {var r = 'monkeys'; // This variable is local and does not affect the "birds" r of the parent function. z ...

  5. JavaScript - Wikipedia

    en.wikipedia.org/wiki/JavaScript

    This is an accepted version of this page This is the latest accepted revision, reviewed on 23 February 2025. High-level programming language Not to be confused with Java (programming language), Javanese script, or ECMAScript. JavaScript Screenshot of JavaScript source code Paradigm Multi-paradigm: event-driven, functional, imperative, procedural, object-oriented Designed by Brendan Eich of ...

  6. Unobtrusive JavaScript - Wikipedia

    en.wikipedia.org/wiki/Unobtrusive_JavaScript

    Unobtrusive JavaScript is a general approach to the use of client-side JavaScript in web pages so that if JavaScript features are partially or fully absent in a user's web browser, then the user notices as little as possible any lack of the web page's JavaScript functionality. [1]

  7. The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.

  8. Promise problem - Wikipedia

    en.wikipedia.org/wiki/Promise_problem

    The promise is the set of directed acyclic graphs. In this example, the promise is easy to check. In particular, it is very easy to check if a given graph is cyclic. However, the promised property could be difficult to evaluate. For instance, consider the problem "Given a Hamiltonian graph, determine if the graph has a cycle of size 4."

  9. ECMAScript version history - Wikipedia

    en.wikipedia.org/wiki/ECMAScript_version_history

    Its features include the Object.values, Object.entries and Object.getOwnPropertyDescriptors functions for easy manipulation of Objects, async / await constructions that use generators and promises, and additional features for concurrency and atomics. It also includes String.prototype.padStart(). [35] [6]