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html5

zheng hace 1 día
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d6c5f1f6c3
commit
30904381fd
Se han modificado 3 ficheros con 103 adiciones y 0 borrados
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  1. 30 0
      html5/7.深拷贝.html
  2. 36 0
      html5/8.深拷贝.html
  3. 37 0
      html5/9.深拷贝.html

+ 30 - 0
html5/7.深拷贝.html
Ver fichero 

@@ -0,0 +1,30 @@
 
+<!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>
 
+        let person = {
 
+            name:"图图",
 
+            age: 3
 
+        }
 
+        function deepClone(obj) {
 
+            let obj1 = {};
 
+            // obj1.name= obj.name;
 
+            // obj1.age = obj.age;
 
+            for(let k in obj) {
 
+                 console.log(k,'k')
 
+                obj1[k] = obj[k];
 
+            }
 
+            return obj1;
 
+        }
 
+        let news = deepClone(person);
 
+        news.age = 13;
 
+        console.log(news,'news');
 
+        console.log(person,'person');
 
+    </script>
 
+</body>
 
+</html>

+ 36 - 0
html5/8.深拷贝.html
Ver fichero 

@@ -0,0 +1,36 @@
 
+<!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>
 
+        let person = {
 
+            name:"图图",
 
+            age: 3,
 
+            address: {
 
+                city:"哈尔滨",
 
+                area:"南岗"
 
+            }
 
+        }
 
+        function deepClone(obj) {
 
+            let obj1 = {};
 
+            for(let k in obj) {
 
+                if(typeof (obj[k]) == 'object') {
 
+                    obj1[k] = deepClone(obj[k])
 
+                } else {
 
+                    obj1[k] = obj[k];
 
+                }
 
+            }
 
+            return obj1;
 
+        }
 
+        let news = deepClone(person);
 
+        news.address.city = '北京';
 
+        news.age = 13;
 
+        console.log(news,'news');
 
+        console.log(person,'person');
 
+    </script>
 
+</body>
 
+</html>

+ 37 - 0
html5/9.深拷贝.html
Ver fichero 

@@ -0,0 +1,37 @@
 
+<!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>
 
+        let person = {
 
+            name: "图图",
 
+            aa: new Date()
 
+        }
 
+        function deepClone(obj) {
 
+            if (obj instanceof Date) {
 
+                return new Date(obj);
 
+            }
 
+            if (typeof obj == 'object' && obj != null) {
 
+                let obj1 = Array.isArray(obj) ? [] : {};
 
+                for (let k in obj) {
 
+                    obj1[k] = deepClone(obj[k])
 
+                }
 
+                return obj1;
 
+            }
 
+            return obj;
 
+        }
 
+        let news = deepClone(person);
 
+        news.aa.setFullYear(2000);
 
+        console.log(news, 'news');
 
+
 
+        console.log(person, 'person');
 
+    </script>
 
+</body>
 
+
 
+</html>