From 8c6854661f4613d0b7a6ba98bbfdc0c9ca61b4d1 Mon Sep 17 00:00:00 2001
From: Trevor Huey <thuey100@gmail.com>
Date: Thu, 18 Jan 2024 08:53:19 -0600
Subject: [PATCH] fix(utils/get-selector): ignore 'xmlns' attribute when
 generating a selector (#4303)

Ignore the "xmlns" attribute when generating a selector, since the
selector spec does not support namespaces.

Closes: https://github.com/dequelabs/axe-core/issues/4302
---
 lib/core/utils/get-selector.js  | 3 ++-
 test/core/utils/get-selector.js | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/core/utils/get-selector.js b/lib/core/utils/get-selector.js
index 28af5bf6af..a90d3c1528 100644
--- a/lib/core/utils/get-selector.js
+++ b/lib/core/utils/get-selector.js
@@ -22,7 +22,8 @@ const ignoredAttributes = [
   'aria-expanded',
   'aria-grabbed',
   'aria-pressed',
-  'aria-valuenow'
+  'aria-valuenow',
+  'xmlns'
 ];
 const MAXATTRIBUTELENGTH = 31;
 const attrCharsRegex = /([\\"])/g;
diff --git a/test/core/utils/get-selector.js b/test/core/utils/get-selector.js
index 520bfbea56..0a2cab5b78 100644
--- a/test/core/utils/get-selector.js
+++ b/test/core/utils/get-selector.js
@@ -471,7 +471,8 @@ describe('axe.utils.getSelector', function () {
       'aria-expanded',
       'aria-grabbed',
       'aria-pressed',
-      'aria-valuenow'
+      'aria-valuenow',
+      'xmlns'
     ];
     ignoredAttributes.forEach(function (att) {
       node.setAttribute(att, 'true');