递归出题

2021-04-09 16:36:34 +08:00
parent 71190d870d
commit 812be57880
28 changed files with 1834 additions and 227 deletions
--- a/teaching/jwl/课件/js/bibao.html
+++ b/teaching/jwl/课件/js/bibao.html
@@ -0,0 +1,55 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+    <script>
+        function f1() {
+            var n = 999;
+            // console.log(n)
+            function f11() {
+                console.log(n)
+            }
+            // f11()
+            return f11
+        }
+
+        var f2 = f1();  // =>f11
+        f2()
+        // 函数在没有return 语句或者是return 后面为空的时候， 函数的返回值等于undefined
+        // 如果return 后面不为空的话  那么函数的返回值 即等于 return后面的东西
+
+        // console.log(f2)
+
+
+
+        var name = "The Window";
+
+        var object = {
+            name: "My Object",
+
+            getNameFunc: function () {
+                var that = this;
+                return function () {
+                    return that.name;
+                };
+
+            }
+
+        };
+
+        alert(object.getNameFunc()());
+
+        var func=object.getNameFunc()
+        func()
+    </script>
+</head>
+
+<body>
+
+</body>
+
+</html>