Caffeine19
diff --git a/‎07_Object/Object.js‎
Lines changed: 47 additions & 45 deletions b/‎07_Object/Object.js‎
Lines changed: 47 additions & 45 deletions
@@ -1,65 +1,67 @@
 
 // ## 1. 对象的定义
-
-// 没有元素的空对象
-let empty = {}
-// 存储三个数据对的对象
-let courses = {
-  name:'Javacript',
-  age:1,
-  isfree:true
+{
+  // 没有元素的空对象
+  let empty = {}
+  // 存储三个数据对的对象
+  let courses = {
+    name:'Javacript',
+    age:1,
+    isfree:true
+  } 
 }
 
-
 // 定义了存储数组和对象的嵌套对象
-let courses = {
-  name:'wtf',
-  list:['Solidity','Javascript'],
-  next:{
-    name:'React',
-    isfree:true
+{
+  let courses = {
+    name:'wtf',
+    list:['Solidity','Javascript'],
+    next:{
+      name:'React',
+      isfree:true
+    }
   }
 }
 
 
 
 // ## 2.对象的读写
-
-let courses = {
-  name:'wtf',
-  list:['Solidity','Javascript'],
-  next:{
-    name:'React',
-    isfree:true
+{
+  let courses = {
+    name:'wtf',
+    list:['Solidity','Javascript'],
+    next:{
+      name:'React',
+      isfree:true
+    }
   }
-}
-console.log(courses['name']) // wtf 注意name是个字符串
-console.log(courses.name) // wtf 这种写法没有引号
-
-console.log(courses.list[0]) // Solidity
-console.log(courses.next.name) // React 嵌套对象
+  console.log(courses['name']) // wtf 注意name是个字符串
+  console.log(courses.name) // wtf 这种写法没有引号
 
+  console.log(courses.list[0]) // Solidity
+  console.log(courses.next.name) // React 嵌套对象
+}
 
 // ## 对象的遍历
-
-
-let obj = {
-  name:'Javascript',
-  type:'frontend',
-  isfree:true
-}
-for(let key in obj){
-  console.log('key '+key+': ' + obj[key])
+{
+  let obj = {
+    name:'Javascript',
+    type:'frontend',
+    isfree:true
+  }
+  for(let key in obj){
+    console.log('key '+key+': ' + obj[key])
+  }
 }
 
 
-
 // ## 对象的增加和修改
+{
+  let obj = {
+    name:'Javascript'
+  }
 
-let obj = {
-  name:'Javascript'
-}
-
-obj.name = 'Wtf-Javascript' // name存在，就是修改
-obj.type = 'frontend'  // name不存在 就是创建
-console.log(obj) // {name: 'Wtf-Javascript', type: 'frontend'}
+  obj.name = 'Wtf-Javascript' // name存在，就是修改
+  obj.type = 'frontend'  // name不存在 就是创建
+  console.log(obj) // {name: 'Wtf-Javascript', type: 'frontend'}
+}