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Javascript
is a high-level, dynamic, untyped, and interpreted programming language.
It has been standardized in the
ECMAScript language specification.
from Wikipedia
JavaScript often abbreviated as JS, is a high-level, dynamic, weakly typed, object-based, multi-paradigm, and
interpreted programming language. Alongside HTML and CSS, JavaScript is one of the three core technologies of World Wide Web
content production. It is used to make webpages interactive and provide online programs, including video games. The majority of
websites employ it, and all modern web browsers support it without the need for plug-ins by means of a built-in JavaScript
engine. Each of the many JavaScript engines represent a different implementation of JavaScript, all based on the ECMAScript
specification, with some engines not supporting the spectrum fully, and with many engines supporting additional features beyond
ECMA.
As a multi-paradigm language, JavaScript supports event-driven, functional, and imperative (including object-oriented
and prototype-based) programming styles. It has an API for working with text, arrays, dates, regular expressions, and basic
manipulation of the DOM, but does not include any I/O, such as networking, storage, or graphics facilities, relying for these
upon the host environment in which it is embedded.
Initially only implemented client-side in web browsers, JavaScript engines are now embedded in many other types of host
software, including server-side in web servers and databases, and in non-web programs such as word processors and PDF software,
and in runtime environments that make JavaScript available for writing mobile and desktop applications, including desktop
widgets.
Although there are strong outward similarities between JavaScript and Java, including language name, syntax, and
respective standard libraries, the two languages are distinct and differ greatly in design; JavaScript was influenced by
programming languages such as Self and Scheme.
Douglas Crockford Lectures on JavaScript
by David Hughes / 14 videos / 50,497 views / Last updated on Jun 30, 2014
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