diff --git a/packages/compiler-core/src/utils.ts b/packages/compiler-core/src/utils.ts
index b65c812a6e4..880845591bc 100644
--- a/packages/compiler-core/src/utils.ts
+++ b/packages/compiler-core/src/utils.ts
@@ -137,16 +137,13 @@ export function findDir(
   name: string | RegExp,
   allowEmpty: boolean = false
 ): DirectiveNode | undefined {
-  for (let i = 0; i < node.props.length; i++) {
-    const p = node.props[i]
-    if (
+  const prop = node.props.find(
+    p =>
       p.type === NodeTypes.DIRECTIVE &&
       (allowEmpty || p.exp) &&
       (isString(name) ? p.name === name : name.test(p.name))
-    ) {
-      return p
-    }
-  }
+  )
+  return prop as DirectiveNode
 }
 
 export function findProp(
diff --git a/packages/runtime-core/src/componentRenderUtils.ts b/packages/runtime-core/src/componentRenderUtils.ts
index 1274f474e63..6dcabbd9a3b 100644
--- a/packages/runtime-core/src/componentRenderUtils.ts
+++ b/packages/runtime-core/src/componentRenderUtils.ts
@@ -327,15 +327,10 @@ export function shouldUpdateComponent(
       return hasPropsChanged(prevProps, nextProps!, emits)
     } else if (patchFlag & PatchFlags.PROPS) {
       const dynamicProps = nextVNode.dynamicProps!
-      for (let i = 0; i < dynamicProps.length; i++) {
-        const key = dynamicProps[i]
-        if (
-          nextProps![key] !== prevProps![key] &&
-          !isEmitListener(emits, key)
-        ) {
-          return true
-        }
-      }
+      return dynamicProps.some(
+        key =>
+          nextProps![key] !== prevProps![key] && !isEmitListener(emits, key)
+      )
     }
   } else {
     // this path is only taken by manually written render functions
@@ -369,16 +364,10 @@ function hasPropsChanged(
   if (nextKeys.length !== Object.keys(prevProps).length) {
     return true
   }
-  for (let i = 0; i < nextKeys.length; i++) {
-    const key = nextKeys[i]
-    if (
-      nextProps[key] !== prevProps[key] &&
-      !isEmitListener(emitsOptions, key)
-    ) {
-      return true
-    }
-  }
-  return false
+  return nextKeys.some(
+    key =>
+      nextProps[key] !== prevProps[key] && !isEmitListener(emitsOptions, key)
+  )
 }
 
 export function updateHOCHostEl(
diff --git a/packages/server-renderer/src/helpers/ssrRenderSlot.ts b/packages/server-renderer/src/helpers/ssrRenderSlot.ts
index bcb393dea04..0314176a720 100644
--- a/packages/server-renderer/src/helpers/ssrRenderSlot.ts
+++ b/packages/server-renderer/src/helpers/ssrRenderSlot.ts
@@ -38,13 +38,7 @@ export function ssrRenderSlot(
     } else {
       // ssr slot.
       // check if the slot renders all comments, in which case use the fallback
-      let isEmptySlot = true
-      for (let i = 0; i < slotBuffer.length; i++) {
-        if (!isComment(slotBuffer[i])) {
-          isEmptySlot = false
-          break
-        }
-      }
+      let isEmptySlot = slotBuffer.every(s => isComment(s))
       if (isEmptySlot) {
         if (fallbackRenderFn) {
           fallbackRenderFn()