JavaScript is a high-level, interpreted programming language that conforms to the ECMAScript specification.
It is a language that is also characterized as dynamic, weakly typed, prototype-based and multi-paradigm.
JavaScript is one of the core technologies of the World Wide Web, alongside HTML and CSS.
Cascading Style Sheets (CSS) is a style sheet language used for describing the presentation of a document written in HTML.
CSS describes how elements should be rendered on screen, on paper, in speech, or on other media.
CSS is among the core languages of the open web and is standardized across Web browsers.
HyperText Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser.
It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScript.
HTML elements are the building blocks of HTML pages and are represented by tags.