Inicio Explorar Axuda
Iniciar sesión
lovecoding
/
VIP26
9
0
Fork 0
Ficheiros Incidencias 0 Pull Requests 0 Wiki
Explorar o código

fix:day19

e hai 1 ano
pai
5d37939f40
achega
e449c3c561
Modificáronse 2 ficheiros con 112 adicións e 0 borrados
Unificar vista Mostrar estatísticas de Diff
  1. 71 0
      day19/html/8.深拷贝.html
  2. 41 0
      day19/html/9.深克隆.html

+ 71 - 0
day19/html/8.深拷贝.html
Ver ficheiro 

@@ -0,0 +1,71 @@
 
+<!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>
 
+    //     var person = {
 
+    //         name: 'LiLi',
 
+    //         age: 10
 
+    //     }
 
+    //     function deepClone(obj) {
 
+    //         var objs = {};
 
+    //         for(key in obj) {
 
+    //            objs[key] = obj[key]
 
+    //         }
 
+    //         return objs;
 
+    //     }
 
+    //    var news = deepClone(person);
 
+    //    news.name = 'Lucy';
 
+    //    console.log(news,'news')
 
+    //    console.log(person,'person')
 
+
 
+
 
+        // for循环
 
+        // var arr = [1,2,3,4,5,6];
 
+        // for(key in arr) {
 
+        //     // for in 循环的是数组的下标
 
+        //     console.log(key,'for..in')
 
+        // } 
+        // for(key of arr) {
 
+        //     // for of 循环的是数组的值
 
+        //     console.log(key,'for..of')
 
+
 
+        // }
 
+    
+        var news = {
 
+            name: '小郑',
 
+            age: 10,
 
+            main: {
 
+                address:'china',
 
+                sex: "女"
 
+            }
 
+        }
 
+
 
+        function deepClone(obj) {
 
+            // 定义一个空对象 用来接收深克隆后的结果
 
+            var objs = {};
 
+            // for循环传入的对象 循环的是对象下面的每一项
 
+            for(key in obj) {
 
+                // 判断是否是引用数据类型 注意小写
 
+                if(typeof(obj[key]) == 'object') {
 
+                    // 再次调用深克隆方法
 
+                    objs[key] = deepClone(obj[key]);
 
+                }else {
 
+                    // 直接复制
 
+                    objs[key] = obj[key];
 
+                }
 
+            }
 
+            //抛出深克隆后的对象
 
+            return objs;
 
+        }
 
+       var newObjs = deepClone(news);
 
+       newObjs.main.address = "111";
 
+       console.log(news,'2')
 
+       console.log(newObjs,'1')
 
+    </script>
 
+</body>
 
+</html>

+ 41 - 0
day19/html/9.深克隆.html
Ver ficheiro 

@@ -0,0 +1,41 @@
 
+<!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>
 
+        function deepClone(data) {
 
+            var temp = {};
 
+            if(typeof data == 'object') {
 
+                temp = Array.isArray(data) ? [] : {};
 
+                for(key in data) {
 
+                    if(typeof data[key] == 'object') {
 
+                        temp[key] = deepClone(data[key]);
 
+                    } else {
 
+                        temp[key] = data[key];
 
+                    }
 
+                }
 
+            } else {
 
+                temp = data;
 
+            }
 
+            
+            return temp;
 
+        }
 
+        var arr = ['list',[100,1]];
 
+        // var obj = {
 
+        //     name:'2'
 
+        // }
 
+        // Array.isArray(判断的值) 判断是否是数组 是 true / 不是 false
 
+        //console.log(Array.isArray(obj))
 
+        var newArr = deepClone(arr)
 
+        var news;
 
+        news = newArr;
 
+        news[1][1] = ['llll'];
 
+        console.log(news,'news');
 
+        console.log(arr,'arr')
 
+    </script>
 
+</body>
 
+</html>