The code itself is written rather cleanly in an attempt to self-document. If you've spotted some areas of code that could be improved, please feel free to contact me. All input is gladly appreciated!

The JSQR library is provided under the following MIT and GPL licenses.
MIT License
GNU General Public License (GPL)

Current Release

JSQR version 1.0.2 (minified; 32 KB)
JSQR version 1.0.2 (uncompressed; 69 KB)
JSQR version 1.0.2 source map

The source code can be downloaded from the GitHub repository. Bug reports und improvements are welcome!