Progressive Web App
WebDefinition
A Progressive Web App (PWA) is a web application that uses modern web technologies to deliver app-like experiences. PWAs are installable, work offline via Service Workers, and can access device features. They bridge the gap between web and native apps without app store distribution.
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HTML
HyperText Markup Language (HTML) is the standard markup language for creating web pages. It defines the structure and semantic meaning of web content using elements represented by tags. Browsers parse HTML to render the visual structure of a page.
CSS
Cascading Style Sheets (CSS) is a stylesheet language used to describe the visual presentation of HTML documents. CSS controls layout, colors, typography, animations, and responsive design through a cascade of rules applied to HTML elements.
JavaScript
JavaScript is a high-level, interpreted programming language that enables dynamic, interactive content on web pages. It runs in the browser via the JavaScript engine (V8, SpiderMonkey) and on the server via Node.js. It is the only scripting language natively supported by all browsers.
TypeScript
TypeScript is a strongly typed programming language built on top of JavaScript. Developed by Microsoft, it adds optional static typing, interfaces, generics, and decorators to JavaScript. TypeScript compiles to plain JavaScript and runs anywhere JavaScript runs.