# JSFuck

> esoteric programming language that uses 6 characters to write all JavaScript code

**Wikidata**: [Q25304718](https://www.wikidata.org/wiki/Q25304718)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/JSFuck)  
**Source**: https://4ort.xyz/entity/jsfuck

## Summary
JSFuck is an esoteric programming language that allows developers to write any JavaScript code using only six distinct characters. It is classified as an experimental language not intended for serious practical use. The code produced is executable as standard JavaScript.

## Key Facts
- **Classification:** JSFuck is an instance of an esoteric programming language and a programming language.
- **Functionality:** It enables the writing of JavaScript code using a limited set of 6 characters.
- **Website:** The official resource is located at `http://www.jsfuck.com/`.
- **Media Type:** Files are categorized under `application/javascript` and `text/javascript`.
- **File Extension:** The associated file extension is `.js`.
- **Source Documentation:** The language is documented by Esolang (Esolangs.org) and Wikipedia.
- **Google Knowledge Graph ID:** `/g/11cl_4xmmb`

## FAQs
### Q: Is JSFuck used for serious software development?
A: No. By definition, it is an esoteric programming language, which is a class of software languages not aimed for serious or practical use.

### Q: What characters are used in JSFuck?
A: The source material confirms the language uses a set of 6 characters to write all JavaScript code, though it does not explicitly list the specific characters in the provided text.

### Q: Is JSFuck code executable in standard browsers?
A: Yes. JSFuck is a method of writing JavaScript code, using the standard `application/javascript` media type and `.js` file extension.

## Why It Matters
JSFuck serves as a significant subject of study within the field of computer science and esoteric programming languages. Its primary relevance lies in its demonstration of the flexibility and underlying nature of the JavaScript language. By proving that complex logic can be executed using only a tiny subset of characters, JSFuck highlights the obfuscation potential inherent in JavaScript.

While the source material explicitly notes that esoteric languages are "not aimed for serious use," JSFuck matters as an educational and experimental tool. It challenges standard programming paradigms and explores the theoretical limits of syntax construction. It functions as a "language for communicating instructions to a machine" in its most stripped-down form, offering insights into how interpreters parse and execute code. Its existence is documented by major technical wikis like Esolangs and has been assigned a specific Google Knowledge Graph ID, cementing its status as a recognized, albeit niche, coding methodology.

## Notable For
- **Extreme Minimalism:** Distinguishing itself by reducing the entire JavaScript syntax to only 6 characters.
- **Esoteric Classification:** Being a verified member of the esoteric programming language class, distinct from standard languages.
- **JavaScript Compatibility:** Unlike many esoteric languages that require custom compilers, JSFuck produces valid, executable JavaScript (`.js`).
- **Documentation:** Being formally described by Esolang and indexed in Google's Knowledge Graph.

## Body

### Classification and Definition
JSFuck is formally classified as an **esoteric programming language**. This category denotes a software language designed to test the boundaries of computer programming syntax rather than for practical, production-level application. It is also broadly classified as a **programming language**, defined as a language for communicating instructions to a machine.

The core characteristic of JSFuck is its ability to represent **all JavaScript code** using only **6 characters**. This radical reduction in syntax allows for the creation of functional scripts without using the standard alphanumeric characters typically associated with coding.

### Technical Specifications
The output of JSFuck conforms to standard JavaScript technical specifications:
- **File Extension:** `.js`
- **Media Types:** `application/javascript`, `text/javascript`
- **GitHub Topic:** `jsfuck`

### Sources and Identifiers
JSFuck is a recognized entity within technical knowledge bases.
- **Website:** `http://www.jsfuck.com/` (English)
- **Wikipedia:** It has a dedicated Wikipedia title "JSFuck" with sitelinks across 7 languages (en, et, he, ja, ko, lmo, zh).
- **Esolang:** It is described by the source "Esolang" (specifically `https://esolangs.org/wiki/JSFuck`).
- **Google ID:** It is tracked under the Google Knowledge Graph ID `/g/11cl_4xmmb`.
- **Wikidata Description:** "esoteric programming language that uses 6 characters to write all JavaScript code."