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
browsers
browsers
canvas
cross-origin-embedder-policy
cross-origin-opener-policy
dom
editing
infrastructure
interaction
interaction
obsolete
rendering
rendering
semantics
semantics
syntax
syntax
the-xhtml-syntax
user-activation
webappapis