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In computer science, futures, promises, delays, and deferreds are constructs used for synchronizing program execution in some concurrent programming languages. Each is an object that acts as a proxy for a result that is initially unknown, usually because the computation of its value is not yet complete.
The syntax of JavaScript is the set of rules that define a correctly structured JavaScript program. The examples below make use of the log function of the console object present in most browsers for standard text output .
A decision problem can be associated with a language {,}, where the problem is to accept all inputs in and reject all inputs not in .For a promise problem, there are two languages, and , which must be disjoint, which means =, such that all the inputs in are to be accepted and all inputs in are to be rejected.
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]
In practice, modern implementations commonly utilize JSON instead of XML. Ajax is not a technology, but rather a programming pattern. HTML and CSS can be used in combination to mark up and style information. The webpage can be modified by JavaScript to dynamically display (and allow the user to interact with) the new information.
mixed mode: PHP + HTML + JavaScript + CSS, single-mode: PHP, Javascript, CSS, XML; extensible Hundreds of languages Syntax checking HTML, CSS, JavaScript (using JSHint) Some No JavaScript (using JSLint) No No HTML, JavaScript (using JSLint) HTML, CSS, JavaScript, TypeScript Tab support Yes Yes Yes Yes Some Yes Yes Yes Indent, new line keeps level
Promises, Promises is a musical with music by Burt Bacharach, lyrics by Hal David and a book by Neil Simon. It is based on the 1960 film The Apartment , written by Billy Wilder and I. A. L. Diamond .
An election promise or campaign promise is a promise or guarantee made to the public by a candidate or political party that is trying to win an election.. Across the Western world, political parties aren't highly likely to fulfill their election promises. [1]