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license: mit
task_categories:
- text-generation
language:
- en
tags:
- code
- javascript
---
**JavaScript-Code-Large**
JavaScript-Code-Large is a large-scale corpus of JavaScript source code comprising more than 5 million JavaScript files. The dataset is designed to support research in large language model (LLM) pretraining, code intelligence, software engineering automation, and program analysis for the JavaScript ecosystem.
By providing a high-volume, language-specific corpus, JavaScript-Code-Large enables systematic experimentation in JavaScript-focused model training, domain adaptation, and downstream code understanding tasks.
JavaScript-Code-Large addresses the need for a dedicated JavaScript-only dataset at substantial scale, enabling focused research across frontend, backend, and full-stack JavaScript environments.
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**1. Dataset Composition**
Programming Language: JavaScript
File Count: 5M+ JavaScript files
File Format: .jsonl
Content Types
The dataset includes a wide variety of JavaScript constructs and paradigms, such as:
- Functions (declarations, expressions, arrow functions)
- Classes and prototypes
- Modules (CommonJS and ES Modules)
- Asynchronous patterns (async/await, Promises, callbacks)
- Event-driven code
- Closures and higher-order functions
- Functional programming constructs
- DOM manipulation code
- Node.js backend logic
- Frontend framework components
- JSDoc comments
- Error handling patterns
- Modern ES6+ features |