diff --git "a/15\351\231\210\347\253\213\346\231\272/\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/.keep" "b/15\351\231\210\347\253\213\346\231\272/\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/.keep"
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git "a/15\351\231\210\347\253\213\346\231\272/\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/aaa.html" "b/15\351\231\210\347\253\213\346\231\272/\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/aaa.html"
new file mode 100644
index 0000000000000000000000000000000000000000..845d34785a75925ddec25cef391087e31f19084f
--- /dev/null
+++ "b/15\351\231\210\347\253\213\346\231\272/\347\254\254\344\270\211\346\254\241\344\275\234\344\270\232/aaa.html"
@@ -0,0 +1,60 @@
+<!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>
+</head>
+<body>
+    <script>
+// const arr = [3,2,1,4,5]
+// let temp = arr[2]
+// arr[2] = arr[0]
+// arr[0] = temp
+// 将数组中的  元素1  与  元素3 调换位置
+        // const arr = [3,2,1,4,5]
+        // let a=arr[0]
+        // arr[0]=arr[2]
+        // arr[2]=a
+
+
+
+// 使用冒泡排序（从大到小）：  [90,65,78,66,48,39,92,73]  使用数组解构的方法交换变量
+        // document.write('asdasdasd')
+        // const arr=[90,65,78,66,48,39,92,73] 
+        // for (let index = 0; index < arr.length-1; index++) {
+        //     for (let indexx = 0; indexx < arr.length-1; indexx++) {
+        //         if (arr[indexx]<arr[indexx+1]) {
+        //             [arr[indexx],arr[indexx+1]]=[arr[indexx+1],arr[indexx]]
+        //         }
+                
+        //     }
+            
+        // }
+        // document.write(arr);
+
+// var text =
+// 'I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
+// //将上述字符串去除标点空格后统计有多少个单词
+        // var text ='I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
+        // const arr=text.split(' ') 
+        // document.write('一共有'+arr.length+'单词')
+// const arr = [87,85,74,70,65,59,43]
+// 1.移除第一个元素87，并在开头添加 元素86
+// 2.移除最后一个元素43， 并在末尾添加1
+// 3.在 70 65 之间插入 元素 68
+// 4.删除元素65
+// 5.使用map返回一个新的数组new_arr，要求新数组new_arr比原来数组大2
+// 6.筛选数组new_arr返回new_arr1,要求new_arr1: 能被2整除
+        const arr = [87,85,74,70,65,59,43]
+        arr.shift()
+        arr.unshift(86)
+        arr.pop()
+        arr.push(1)
+        arr.splice(4,1,68)
+        document.write(arr)
+
+    </script>
+</body>
+</html>
\ No newline at end of file
