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# Chromium coding style
## Main style guides
* [Chromium C++ style guide](c++/c++.md)
* [Modern C++ use](c++/c++-features.md) for allowed/banned features.
* See also: [C++ Dos and Don'ts](c++/c++-dos-and-donts.md) for Chromium
best-practices.
* [Blink C++ style](c++/blink-c++.md)
* [Chromium Objective-C style guide](objective-c/objective-c.md)
* [Chromium Swift style guide](swift/swift.md)
* [Java style guide for Android](java/java.md)
* [Chromium Python style guide](python/python.md)
* [Blink Python style](python/blink-python.md)
* [GN style guide](https://gn.googlesource.com/gn/+/main/docs/style_guide.md)
for build files.
* See also: [Writing GN templates](../build/docs/writing_gn_templates.md)
for Chromium best-practices.
* [Markdown style guide](markdown/markdown.md)
Chromium also uses these languages to a lesser degree:
* [Kernel C style](https://www.kernel.org/doc/html/latest/process/coding-style.html)
for ChromiumOS firmware.
* [WebIDL](https://www.chromium.org/blink/webidl/#syntax)
* [Mojo IDL](../docs/security/mojo.md) for cross-process IPC
* [Jinja style guide](https://sites.google.com/a/chromium.org/dev/developers/jinja#TOC-Style)
for [Jinja](https://sites.google.com/a/chromium.org/dev/developers/jinja)
templates.
* [SQLite SQL style](../sql/README.md#SQL-style) for storage of cookies, etc.
Regardless of the language used, please keep code
[inclusive for all contributors](inclusive_code.md).
## Web languages (JavaScript, HTML, CSS)
When working on Web-based UI features, consult the
[Web Development Style Guide](web/web.md) for the Chromium conventions used in
JS/CSS/HTML files.
Internal uses of web languages, notably "layout" tests, should preferably follow
these style guides, but it is not enforced.
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