函数($event)

src/pages/中文-页面.page.vue

@@ -1,10 +1,16 @@
 <template>
   <div>
-    <button @click="$router.back()">Back</button>
+    <button @click="函数($event)">Back</button>
     <h1>中文-页面.page.vue</h1>
   </div>
 </template>
 
-<script setup lang="ts"></script>
+<script setup lang="ts">
+const router = useRouter();
+const 函数 = function (e: MouseEvent) {
+  console.log(函数, 'e :>> ', e);
+  router.back();
+};
+</script>
 
 <style scoped></style>