DXR will be turned off on Tuesday, December 29th. It will redirect to Searchfox.
See the announcement on Discourse.

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.

Name Description Modified (UTC) Size
content_dumping.html Control Frame 3.0 kB
debug_utils.html Layout Debug Utilities 2.9 kB
regression_tests.html Layout Regression Test Harness 4.3 kB
regression_tests.js 15.1 kB