DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (c68fe15a81fc)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
An explanation of the Mozilla Source Code Directory Structure and links to
project pages with documentation can be found at:


For information on how to build Mozilla from the source code and create the patch see:


If you have a question about developing Mozilla, and can't find the solution
on https://developer.mozilla.org, you can try asking your question on Matrix at chat.mozilla.org in `Introduction` (https://chat.mozilla.org/#/room/#introduction:mozilla.org) channel.

Nightly development builds can be downloaded from:

            - or -

Keep in mind that nightly builds, which are used by Mozilla developers for
testing, may be buggy.