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Snippet from Wikipedia: Deno (software)

Deno () is a runtime for JavaScript, TypeScript, and WebAssembly that is based on the V8 JavaScript engine and the Rust programming language. Deno was co-created by Ryan Dahl, the creator of Node.js and Bert Belder.

Deno explicitly takes on the role of both runtime and package manager within a single executable, rather than requiring a separate package-management program.

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• Provide a Deno glossary of the top 40 Deno concepts sorted by the most commonly used. For each concept include a brief description and the URL for the Deno official documentation. Answer using MediaWiki format.

Creating a glossary for the top 40 Deno concepts, along with descriptions and links to their official documentation, provides a comprehensive overview of Deno’s features and functionalities. Deno is a secure runtime for JavaScript and TypeScript that aims to address some of the shortcomings of Node.js, particularly around security, module management, and build simplicity. Here's a structured glossary in MediaWiki format covering fundamental to advanced Deno concepts, based on their commonality of use.

This glossary outlines essential Deno concepts, providing users with a foundational understanding of Deno's features, along with links to the official documentation for further exploration.

The core runtime environment for executing JavaScript and TypeScript code outside of a web browser, focusing on security and efficiency. ; Official Documentation

Deno provides first-class support for TypeScript without requiring additional tooling, compiling TypeScript to JavaScript internally. ; Official Documentation

Deno's security model is designed to run code in a secure sandbox, requiring explicit permissions for system access, network access, file operations, and more. ; Official Documentation

Deno uses ES modules as its module system and does not use `node_modules` or a package manager like `npm`. Modules are imported directly via URLs. ; Official Documentation

In Deno, you can import modules directly from URLs, which Deno fetches, caches, and compiles on the first run. ; Official Documentation

A comprehensive standard library that is reviewed by the Deno core team, covering a wide range of functionalities, from date handling to HTTP utilities. ; Official Documentation

The command-line interface for Deno, providing commands to run scripts, manage dependencies, and more. ; Official Documentation

Deno scripts can request or revoke permissions at runtime using Deno's Permissions API, offering a fine-grained security mechanism. ; Official Documentation

The command to execute a script with Deno, which may require flags to allow specific permissions. ; Official Documentation

A built-in testing utility that lets you define, run, and organize tests in a straightforward manner. ; Official Documentation

Deno caches remote imports in a local cache, eliminating the need for a traditional package manager and improving performance and security. ; Official Documentation

Deno's built-in code formatter, ensuring consistent code style across your Deno projects. ; Official Documentation

A linter for JavaScript and TypeScript code, helping to catch errors and enforce a uniform code style. ; Official Documentation

Allows you to compile Deno projects into standalone executables, simplifying deployment and distribution. ; Official Documentation

Enables the installation of Deno scripts as executable commands on your system. ; Official Documentation

A command-line tool for viewing documentation for Deno modules directly in the terminal. ; Official Documentation

A global object provided by Deno's runtime, offering various utilities, such as fetching resources, reading files, and managing permissions. ; Official Documentation

Provides metadata about the module, such as its URL, which is particularly useful for modules fetched over the network. ; Official Documentation

Deno aims to be browser-compatible where possible, supporting many Web Platform APIs like `fetch`, `WebSocket`, and `WindowOrWorkerGlobalScope`. ; Official Documentation

First-class support for asynchronous programming with Promises, async, and await, allowing for cleaner and more readable asynchronous code. ; Official Documentation

Deno supports web workers, enabling the execution of code in background threads for computational tasks or I/O operations that should not block the main thread

. ; Official Documentation

A globally distributed JavaScript runtime, optimized for minimal latency, which allows you to deploy Deno applications at the edge. ; Official Documentation

Combines JavaScript and TypeScript modules into a single script file, useful for packaging or distribution. ; Official Documentation

In Deno, you can use await at the top level in modules, eliminating the need for wrapping async calls in functions for initial execution. ; Official Documentation

An implementation of the language server protocol to provide enhanced editor integration for code completion, linting, and more. ; Official Documentation

Deno works across multiple platforms (Linux, macOS, and Windows) without significant changes to your code. ; Official Website

Deno fully supports ECMAScript modules, making it compatible with modern JavaScript development practices. ; Official Documentation

Deno treats Promises as first-class citizens, with APIs designed to work seamlessly with asynchronous operations. ; Official Documentation

Upgrades your Deno executable to the latest version, ensuring you have access to the most recent features and improvements. ; Official Documentation

Deno supports HTTPS out of the box, allowing for secure communication with remote resources. ; Official Documentation

Deno includes a native API for creating HTTP servers, simplifying the process of building web applications and APIs. ; Official Documentation

A tool for collecting code coverage data from your tests, helping to identify untested parts of your code. ; Official Documentation

Deno supports import maps, allowing you to control and alias module imports without changing the source code. ; Official Documentation

Deno integrates with Chrome DevTools for debugging, offering a powerful and familiar debugging experience. ; Official Documentation

While Deno supports TypeScript out of the box, you can customize the TypeScript compiler settings through configuration files. ; Official Documentation

This glossary introduces the core concepts of Deno, designed to provide a broad understanding of its capabilities and features. For a deeper dive into any of these topics, the official Deno documentation is an excellent resource. ```

This structured glossary covers a wide range of Deno's functionalities, from basic commands and features to more advanced concepts, providing URLs to the official documentation for users seeking to expand their knowledge or solve specific problems.

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