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
accessibility
dom
layout
mathml
security
svg
xml
xslt
appstrings.properties 3.6 kB
global-strres.properties 242 Bytes
global.dtd 353 Bytes
netError.dtd 8.2 kB
netErrorApp.dtd - 1.4 kB
nsWebBrowserPersist.properties 1.9 kB