From: Evan You <yyx990803@gmail.com>
Date: Tue, 19 Dec 2023 10:09:42 +0000 (+0800)
Subject: fix(ssr): fix hydration prop mismatch check for class on SVG elements
X-Git-Tag: v3.4.0-beta.4~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8448b018d9f837c08eace90cab404a27f68e31a;p=thirdparty%2Fvuejs%2Fcore.git

fix(ssr): fix hydration prop mismatch check for class on SVG elements
---

diff --git a/packages/runtime-core/src/hydration.ts b/packages/runtime-core/src/hydration.ts
index b873a37dc0..57ced5118a 100644
--- a/packages/runtime-core/src/hydration.ts
+++ b/packages/runtime-core/src/hydration.ts
@@ -718,7 +718,7 @@ function propHasMismatch(el: Element, key: string, clientValue: any): boolean {
   let actual: any
   let expected: any
   if (key === 'class') {
-    actual = el.className
+    actual = el.getAttribute('class')
     expected = normalizeClass(clientValue)
     if (actual !== expected) {
       mismatchType = mismatchKey = `class`