From cd4b15c4d4373de8f349eaa330eb9f59a505f787 Mon Sep 17 00:00:00 2001
From: czh740132583 <740132583@qq.com>
Date: Tue, 10 May 2022 22:36:38 +0800
Subject: [PATCH] Revert "fix(runtime-dom): Fixed a runtime error when the
 element node's style binding array was not compiled as 'createStaticVNode'.
 (fix #5106)"

---
 packages/runtime-dom/__tests__/patchStyle.spec.ts |  7 +------
 packages/runtime-dom/src/modules/style.ts         | 11 ++---------
 2 files changed, 3 insertions(+), 15 deletions(-)

diff --git a/packages/runtime-dom/__tests__/patchStyle.spec.ts b/packages/runtime-dom/__tests__/patchStyle.spec.ts
index f84a176087f..409d6936eaf 100644
--- a/packages/runtime-dom/__tests__/patchStyle.spec.ts
+++ b/packages/runtime-dom/__tests__/patchStyle.spec.ts
@@ -6,12 +6,7 @@ describe(`runtime-dom: style patching`, () => {
     patchProp(el, 'style', {}, 'color:red')
     expect(el.style.cssText.replace(/\s/g, '')).toBe('color:red;')
   })
-  // #5106
-  it('Array', () => {
-    const el = document.createElement('div')
-    patchProp(el, 'style', {}, [{color:'red'}])
-    expect(el.style.cssText.replace(/\s/g, '')).toBe('color:red;')
-  })
+
   // #1309
   it('should not patch same string style', () => {
     const el = document.createElement('div')
diff --git a/packages/runtime-dom/src/modules/style.ts b/packages/runtime-dom/src/modules/style.ts
index f53d6e0e171..f4924ea2ec6 100644
--- a/packages/runtime-dom/src/modules/style.ts
+++ b/packages/runtime-dom/src/modules/style.ts
@@ -7,15 +7,8 @@ export function patchStyle(el: Element, prev: Style, next: Style) {
   const style = (el as HTMLElement).style
   const isCssString = isString(next)
   if (next && !isCssString) {
-    // #5106
-    if(Array.isArray(next)){
-      next.forEach(val=>{
-        patchStyle(el,prev,val)
-      })
-    }else{
-      for (const key in next) {
-        setStyle(style, key, next[key])
-      }
+    for (const key in next) {
+      setStyle(style, key, next[key])
     }
     if (prev && !isString(prev)) {
       for (const key in prev) {