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Welcome to MDN data\n\n\u003e **Note**\n\u003e We are in the process of deprecating the `mdn/data` package in favor of [`w3c/webref`](https://github.com/w3c/webref).\n\u003e If you depend on this project, let us know in our community [GitHub discussions](https://github.com/mdn/mdn-community/discussions/categories/platform).\n\u003e Thank you.\n\n[![NPM version](https://img.shields.io/npm/v/mdn-data.svg)](https://www.npmjs.com/package/mdn-data)\n[![lint](https://github.com/mdn/data/actions/workflows/lint.yml/badge.svg)](https://github.com/mdn/data/actions/workflows/lint.yml)\n\nThis repository contains general data for Web technologies and is maintained by the [MDN team at Mozilla](https://wiki.mozilla.org/MDN).\n\n## Repository contents\n\nThe data in this repository is used in MDN Web Docs to build [information boxes](https://developer.mozilla.org/en-US/docs/Web/CSS/background) and [sidebar navigation](https://developer.mozilla.org/en-US/docs/Web/API/Window).\nExternal tools make use of this data as well, for example, the [CSSTree](https://github.com/csstree/csstree/) CSS parser.\n\nThere's a top-level directory for each broad area covered: for example, `api` and `css`.\nInside each of these directories is one or more JSON files containing the data.\n\n### api\n\nContains data about Web APIs:\n\n- API inheritance (interface inheritance and mixin implementations)\n\n### css\n\nContains data about:\n\n- CSS at-rules\n- CSS functions\n- CSS properties\n- CSS selectors\n- CSS syntaxes\n- CSS types\n- CSS units\n\nFor more information, see the [CSS data](./css/README.md) documentation and the [Updating CSS JSON DB](./docs/updating_css_json.md) guide.\n\n### l10n\n\nThe l10n folder contains localization strings that are used in the various\njson files throughout this repository.\n\n## Problems?\n\nIf you find a problem, please [file an issue](https://github.com/mdn/data/issues/new).\n\n## Contributing\n\nWe're very happy to accept contributions to this data.\nPlease familiarize yourself with the schema for the data you're editing, and send us a pull request.\nSee the [CONTRIBUTING.md](./CONTRIBUTING.md) document for more information.\n\n## See also\n\n- [https://github.com/mdn/browser-compat-data](https://github.com/mdn/browser-compat-data)\n  for compatibility data for Web technologies\n","funding_links":[],"categories":["JavaScript"],"sub_categories":[],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmdn%2Fdata","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmdn%2Fdata","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmdn%2Fdata/lists"}