From e2150600c2eb10a26793c1e772eb55ac5b120978 Mon Sep 17 00:00:00 2001
From: corizhang <zhang_fan0108@163.com>
Date: Sun, 10 Sep 2023 23:16:06 +0800
Subject: [PATCH] new

---
 vue/Object.defineproperty.html | 40 ++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 vue/Object.defineproperty.html
diff --git a/vue/Object.defineproperty.html b/vue/Object.defineproperty.html
new file mode 100644
index 0000000..3393043
--- /dev/null
+++ b/vue/Object.defineproperty.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    <script type="text/javascript">
+        let number = 18
+        let person = {
+            name:'Cori',
+            sex:'male',
+            // age:18
+        }
+
+        Object.defineProperty(person, 'age', {
+            // value:18,
+            // enumerable:true,  //控制属性是否可以枚举，默认值为false
+            // writable:true,  //控制属性是否可以被修改，默认值为false
+            // configurable:true,  //控制属性是否可以被删除，默认值为false
+
+            // 当有人读取person的age属性时，get函数（getter）就会被调用，且返回值就是age的值
+            get:function(){
+                console.log('有人读取age属性了')
+                return number
+            },
+
+            // 当有人修改person的age属性时，set函数（setter）就会被调用，且会收到修改的具体值
+            set(value){
+                console.log('有人修改age属性了,且值是', value)
+                number = value
+            }
+
+        })
+
+        console.log(person)
+    </script>
+</body>
+</html>
\ No newline at end of file
