From 6088011c4bcc5fd75f5bb694ecb5388596af094c Mon Sep 17 00:00:00 2001
From: Luke Wilde <lukew@serenityos.org>
Date: Thu, 28 Oct 2021 19:40:14 +0100
Subject: [PATCH] LibWeb: Add Element.webkitMatchesSelector

This is an alias of Element.matches for web compatibility.
https://dom.spec.whatwg.org/#dom-element-webkitmatchesselector

Used by particularly old versions of Sizzle, such as 1.10.2:
https://github.com/jquery/jquery/blob/16b079b164d62bd807c612806842a13bf9b04d17/jquery.js#L1644

This particular version is used by DuckDuckGo.
---
 Userland/Libraries/LibWeb/DOM/Element.idl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Userland/Libraries/LibWeb/DOM/Element.idl b/Userland/Libraries/LibWeb/DOM/Element.idl
index 21a2bfe011..fc7629c723 100644
--- a/Userland/Libraries/LibWeb/DOM/Element.idl
+++ b/Userland/Libraries/LibWeb/DOM/Element.idl
@@ -24,6 +24,9 @@ interface Element : Node {
 
     boolean matches(DOMString selectors);
 
+    // legacy alias of .matches
+    [ImplementedAs=matches] boolean webkitMatchesSelector(DOMString selectors);
+
     readonly attribute Element? nextElementSibling;
     readonly attribute Element? previousElementSibling;