From f6e1dcb7c222b6cbd9868274821c00de2ae3db37 Mon Sep 17 00:00:00 2001
From: lzlk <1930069369@qq.com>
Date: Tue, 18 Oct 2022 18:10:43 +0800
Subject: [PATCH 1/7] =?UTF-8?q?=E7=AC=AC=E4=B8=89=E6=AC=A1=E4=BD=9C?=
 =?UTF-8?q?=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../2022-10-17\344\275\234\344\270\232.html"  | 65 +++++++++++++++++++
 ...4\350\256\260 \346\225\260\347\273\204.md" | 33 ++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 "07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"
 create mode 100644 "07 \345\273\226\346\262\273\345\205\210/\347\254\224\350\256\260/2022-10-17\347\254\224\350\256\260 \346\225\260\347\273\204.md"
diff --git "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html" "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"
new file mode 100644
index 0000000..ef769bd
--- /dev/null
+++ "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"	
@@ -0,0 +1,65 @@
+<!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>
+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
+[arr[0],arr[2]]=[arr[2],arr[0]]
+console.log(arr);
+// 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
+const arr1 =[90,65,78,66,48,39,92,73]
+for (let i = 0; i < arr1.length; i++) {
+    for (let j = 0; j < arr1.length-1; j++) {
+        if (arr1[j]>arr1[j+1]) {
+        [arr1[j],arr1[j+1]]=[arr1[j+1],arr1[j]]
+        }
+    }
+}
+console.log(arr1);
+// 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
+const str='I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
+// var str1=str.replace(',','')
+// var str2=str1.replace('.','')
+var word=str.split(' ')
+console.log(word.length+'个单词');
+
+
+const arr2 = [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
+arr2.splice(0,1,86)
+console.log(arr2);
+// 2.移除最后一个元素43， 并在末尾添加1
+arr2.pop()
+arr2.push(1)
+console.log(arr2);
+// 3.在 70 65 之间插入 元素 68
+arr2.splice(4,0,68)
+console.log(arr2);
+// 4.删除元素65
+arr2.splice(5,1)
+console.log(arr2);
+// 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
+var new_arr=arr2.map((item,index,arr)=>{
+    return item+2;
+})
+console.log(new_arr);
+// 6.筛选数组new_arr返回new_arr1,要求new_arr1: 能被2整除
+var new_arr1=new_arr.filter((item,index,arr)=>
+    item%2==0
+)
+console.log(new_arr1);
+</script>
+</head>
+<body>
+    
+</body>
+</html>
\ No newline at end of file
diff --git "a/07 \345\273\226\346\262\273\345\205\210/\347\254\224\350\256\260/2022-10-17\347\254\224\350\256\260 \346\225\260\347\273\204.md" "b/07 \345\273\226\346\262\273\345\205\210/\347\254\224\350\256\260/2022-10-17\347\254\224\350\256\260 \346\225\260\347\273\204.md"
new file mode 100644
index 0000000..6e11aab
--- /dev/null
+++ "b/07 \345\273\226\346\262\273\345\205\210/\347\254\224\350\256\260/2022-10-17\347\254\224\350\256\260 \346\225\260\347\273\204.md"	
@@ -0,0 +1,33 @@
+  console.log(str.substr(4,6));
+  console.log(str.substring(4,0));  // 如果start>end,交换顺序
+  console.log(str.trim());  //去掉两边的空格，中间穿插的不可以
+
+  console.log(str.includes('Sc'));//返回true表示找得到，返回false表示找不到
+  console.log(str.indexOf('Sc',6)); //返回的是第一个匹配字符串的起始下标,如果找不到返回-1
+  console.log(str.slice(4,0)); //截取,返回对应长度的字符串
+
+```
+ // 通过冒泡排序， 从小到大
+    for(let i = 0; i<arr.length-1;i++){
+        for(let j = 0; j<arr.length-1-i;j++){
+            if(arr[j]>arr[j+1]){
+                [arr[j],arr[j+1]] = [arr[j+1],arr[j]]
+            }
+        }
+    }
+```
+
+```
+重点:splice(index,delet,insert):index开始的下标，delet为删除多少个元素，insert中可以写需要添加的元素
+```
+
+    // arr.pop()   //删除最后一个元素
+    // arr.push(4,5,6)   //在数组末尾添加元素
+    // arr.shift()  //删除第一个元素
+    // arr.unshift(4,5,6)  //往数组头部添加元素
+
+```
+reverse():反转数组
+sort():根据字符串顺序排序，不是按照数字大小排序
+```
+
-- 
Gitee


From a913d37fe2871a5535d6b9573bcd527321c74538 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BB=96=E6=B2=BB=E5=85=88?= <1930069369@qq.com>
Date: Tue, 18 Oct 2022 12:57:10 +0000
Subject: [PATCH 2/7] =?UTF-8?q?=E5=88=A0=E9=99=A4=E6=96=87=E4=BB=B6=2007?=
 =?UTF-8?q?=20=E5=BB=96=E6=B2=BB=E5=85=88/=E4=BD=9C=E4=B8=9A/2022-10-17?=
 =?UTF-8?q?=E4=BD=9C=E4=B8=9A.html?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../2022-10-17\344\275\234\344\270\232.html"  | 65 -------------------
 1 file changed, 65 deletions(-)
 delete mode 100644 "07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"

diff --git "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html" "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"
deleted file mode 100644
index ef769bd..0000000
--- "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"	
+++ /dev/null
@@ -1,65 +0,0 @@
-<!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>
-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
-[arr[0],arr[2]]=[arr[2],arr[0]]
-console.log(arr);
-// 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
-const arr1 =[90,65,78,66,48,39,92,73]
-for (let i = 0; i < arr1.length; i++) {
-    for (let j = 0; j < arr1.length-1; j++) {
-        if (arr1[j]>arr1[j+1]) {
-        [arr1[j],arr1[j+1]]=[arr1[j+1],arr1[j]]
-        }
-    }
-}
-console.log(arr1);
-// 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
-const str='I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
-// var str1=str.replace(',','')
-// var str2=str1.replace('.','')
-var word=str.split(' ')
-console.log(word.length+'个单词');
-
-
-const arr2 = [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
-arr2.splice(0,1,86)
-console.log(arr2);
-// 2.移除最后一个元素43， 并在末尾添加1
-arr2.pop()
-arr2.push(1)
-console.log(arr2);
-// 3.在 70 65 之间插入 元素 68
-arr2.splice(4,0,68)
-console.log(arr2);
-// 4.删除元素65
-arr2.splice(5,1)
-console.log(arr2);
-// 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
-var new_arr=arr2.map((item,index,arr)=>{
-    return item+2;
-})
-console.log(new_arr);
-// 6.筛选数组new_arr返回new_arr1,要求new_arr1: 能被2整除
-var new_arr1=new_arr.filter((item,index,arr)=>
-    item%2==0
-)
-console.log(new_arr1);
-</script>
-</head>
-<body>
-    
-</body>
-</html>
\ No newline at end of file
-- 
Gitee


From 90a9540d8070b2d19a12b44fc0b73a3068aa08e9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BB=96=E6=B2=BB=E5=85=88?= <1930069369@qq.com>
Date: Tue, 18 Oct 2022 12:57:21 +0000
Subject: [PATCH 3/7] =?UTF-8?q?=E7=AC=AC=E4=B8=89=E6=AC=A1=E4=BD=9C?=
 =?UTF-8?q?=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: 廖治先 <1930069369@qq.com>
---
 .../2022-10-17\344\275\234\344\270\232.html"  | 65 +++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 "07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"

diff --git "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html" "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"
new file mode 100644
index 0000000..5ef4bf6
--- /dev/null
+++ "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"	
@@ -0,0 +1,65 @@
+<!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>
+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
+[arr[0],arr[2]]=[arr[2],arr[0]]
+console.log(arr);
+// 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
+const arr1 =[90,65,78,66,48,39,92,73]
+for (let i = 0; i < arr1.length; i++) {
+    for (let j = 0; j < arr1.length-1; j++) {
+        if (arr1[j]>arr1[j+1]) {
+        [arr1[j],arr1[j+1]]=[arr1[j+1],arr1[j]]
+        }
+    }
+}
+console.log(arr1);
+// 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
+const str='I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
+// var str1=str.replace(',','')
+// var str2=str1.replace('.','')
+var word=str.split(' ')
+console.log(word.length+'个单词');
+
+
+const arr2 = [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
+arr2.splice(0,1,86)
+console.log(arr2);
+// 2.移除最后一个元素43， 并在末尾添加1
+arr2.pop()
+arr2.push(1)
+console.log(arr2);
+// 3.在 70 65 之间插入 元素 68
+arr2.splice(4,0,68)
+console.log(arr2);
+// 4.删除元素65
+arr2.splice(5,1)
+console.log(arr2);
+// 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
+var new_arr=arr2.map((item,index,arr)=>{
+    return item+2;
+})
+console.log(new_arr);
+// 6.筛选数组new_arr返回new_arr1,要求new_arr1: 能被2整除
+var new_arr1=new_arr.filter((item,index,arr)=>
+    item%2==0
+)
+console.log(new_arr1);
+</script>
+</head>
+<body>
+    
+</body>
+</html>
\ No newline at end of file
-- 
Gitee


From e81c77dbd3afeee181697925431e4201baee90d1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BB=96=E6=B2=BB=E5=85=88?= <1930069369@qq.com>
Date: Tue, 18 Oct 2022 13:08:23 +0000
Subject: [PATCH 4/7] =?UTF-8?q?=E5=88=A0=E9=99=A4=E6=96=87=E4=BB=B6=2007?=
 =?UTF-8?q?=20=E5=BB=96=E6=B2=BB=E5=85=88/=E4=BD=9C=E4=B8=9A/2022-10-17?=
 =?UTF-8?q?=E4=BD=9C=E4=B8=9A.html?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../2022-10-17\344\275\234\344\270\232.html"  | 65 -------------------
 1 file changed, 65 deletions(-)
 delete mode 100644 "07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"

diff --git "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html" "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"
deleted file mode 100644
index 5ef4bf6..0000000
--- "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"	
+++ /dev/null
@@ -1,65 +0,0 @@
-<!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>
-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
-[arr[0],arr[2]]=[arr[2],arr[0]]
-console.log(arr);
-// 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
-const arr1 =[90,65,78,66,48,39,92,73]
-for (let i = 0; i < arr1.length; i++) {
-    for (let j = 0; j < arr1.length-1; j++) {
-        if (arr1[j]>arr1[j+1]) {
-        [arr1[j],arr1[j+1]]=[arr1[j+1],arr1[j]]
-        }
-    }
-}
-console.log(arr1);
-// 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
-const str='I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
-// var str1=str.replace(',','')
-// var str2=str1.replace('.','')
-var word=str.split(' ')
-console.log(word.length+'个单词');
-
-
-const arr2 = [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
-arr2.splice(0,1,86)
-console.log(arr2);
-// 2.移除最后一个元素43， 并在末尾添加1
-arr2.pop()
-arr2.push(1)
-console.log(arr2);
-// 3.在 70 65 之间插入 元素 68
-arr2.splice(4,0,68)
-console.log(arr2);
-// 4.删除元素65
-arr2.splice(5,1)
-console.log(arr2);
-// 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
-var new_arr=arr2.map((item,index,arr)=>{
-    return item+2;
-})
-console.log(new_arr);
-// 6.筛选数组new_arr返回new_arr1,要求new_arr1: 能被2整除
-var new_arr1=new_arr.filter((item,index,arr)=>
-    item%2==0
-)
-console.log(new_arr1);
-</script>
-</head>
-<body>
-    
-</body>
-</html>
\ No newline at end of file
-- 
Gitee


From 4485bb7ee52daa7a235446c5d2e93898bb279098 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BB=96=E6=B2=BB=E5=85=88?= <1930069369@qq.com>
Date: Tue, 18 Oct 2022 13:08:35 +0000
Subject: [PATCH 5/7] =?UTF-8?q?=E7=AC=AC=E4=B8=89=E6=AC=A1=E4=BD=9C?=
 =?UTF-8?q?=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: 廖治先 <1930069369@qq.com>
---
 .../2022-10-17\344\275\234\344\270\232.html"  | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 "07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"

diff --git "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html" "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"
new file mode 100644
index 0000000..2dfb58a
--- /dev/null
+++ "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"	
@@ -0,0 +1,67 @@
+<!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>
+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
+{
+    [arr[0],arr[2]]=[arr[2],arr[0]]
+}
+console.log(arr);
+// 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
+const arr1 =[90,65,78,66,48,39,92,73]
+for (let i = 0; i < arr1.length-1; i++) {
+    for (let j = 0; j < arr1.length-1; j++) {
+        if (arr1[j]>arr1[j+1]) {
+        [arr1[j],arr1[j+1]]=[arr1[j+1],arr1[j]]
+        }
+    }
+}
+console.log(arr1);
+// 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
+const str='I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
+// var str1=str.replace(',','')
+// var str2=str1.replace('.','')
+var word=str.split(' ')
+console.log(word.length+'个单词');
+
+
+const arr2 = [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
+arr2.splice(0,1,86)
+console.log(arr2);
+// 2.移除最后一个元素43， 并在末尾添加1
+arr2.pop()
+arr2.push(1)
+console.log(arr2);
+// 3.在 70 65 之间插入 元素 68
+arr2.splice(4,0,68)
+console.log(arr2);
+// 4.删除元素65
+arr2.splice(5,1)
+console.log(arr2);
+// 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
+var new_arr=arr2.map((item,index,arr)=>{
+    return item+2;
+})
+console.log(new_arr);
+// 6.筛选数组new_arr返回new_arr1,要求new_arr1: 能被2整除
+var new_arr1=new_arr.filter((item,index,arr)=>
+    item%2==0
+)
+console.log(new_arr1);
+</script>
+</head>
+<body>
+    
+</body>
+</html>
\ No newline at end of file
-- 
Gitee


From aca5f0642081489cb075b231b9f86faf6f6ecc5a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BB=96=E6=B2=BB=E5=85=88?= <1930069369@qq.com>
Date: Tue, 18 Oct 2022 13:11:43 +0000
Subject: [PATCH 6/7] =?UTF-8?q?=E5=88=A0=E9=99=A4=E6=96=87=E4=BB=B6=2007?=
 =?UTF-8?q?=20=E5=BB=96=E6=B2=BB=E5=85=88/=E4=BD=9C=E4=B8=9A/2022-10-17?=
 =?UTF-8?q?=E4=BD=9C=E4=B8=9A.html?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../2022-10-17\344\275\234\344\270\232.html"  | 67 -------------------
 1 file changed, 67 deletions(-)
 delete mode 100644 "07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"

diff --git "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html" "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"
deleted file mode 100644
index 2dfb58a..0000000
--- "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"	
+++ /dev/null
@@ -1,67 +0,0 @@
-<!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>
-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
-{
-    [arr[0],arr[2]]=[arr[2],arr[0]]
-}
-console.log(arr);
-// 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
-const arr1 =[90,65,78,66,48,39,92,73]
-for (let i = 0; i < arr1.length-1; i++) {
-    for (let j = 0; j < arr1.length-1; j++) {
-        if (arr1[j]>arr1[j+1]) {
-        [arr1[j],arr1[j+1]]=[arr1[j+1],arr1[j]]
-        }
-    }
-}
-console.log(arr1);
-// 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
-const str='I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
-// var str1=str.replace(',','')
-// var str2=str1.replace('.','')
-var word=str.split(' ')
-console.log(word.length+'个单词');
-
-
-const arr2 = [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
-arr2.splice(0,1,86)
-console.log(arr2);
-// 2.移除最后一个元素43， 并在末尾添加1
-arr2.pop()
-arr2.push(1)
-console.log(arr2);
-// 3.在 70 65 之间插入 元素 68
-arr2.splice(4,0,68)
-console.log(arr2);
-// 4.删除元素65
-arr2.splice(5,1)
-console.log(arr2);
-// 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
-var new_arr=arr2.map((item,index,arr)=>{
-    return item+2;
-})
-console.log(new_arr);
-// 6.筛选数组new_arr返回new_arr1,要求new_arr1: 能被2整除
-var new_arr1=new_arr.filter((item,index,arr)=>
-    item%2==0
-)
-console.log(new_arr1);
-</script>
-</head>
-<body>
-    
-</body>
-</html>
\ No newline at end of file
-- 
Gitee


From db17fcf62f07acd119cc1120c94cd7f3e1f04112 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=BB=96=E6=B2=BB=E5=85=88?= <1930069369@qq.com>
Date: Tue, 18 Oct 2022 13:11:57 +0000
Subject: [PATCH 7/7] =?UTF-8?q?=E7=AC=AC=E4=B8=89=E6=AC=A1=E4=BD=9C?=
 =?UTF-8?q?=E4=B8=9A?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: 廖治先 <1930069369@qq.com>
---
 .../2022-10-17\344\275\234\344\270\232.html"  | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 "07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"

diff --git "a/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html" "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"
new file mode 100644
index 0000000..86d19fe
--- /dev/null
+++ "b/07 \345\273\226\346\262\273\345\205\210/\344\275\234\344\270\232/2022-10-17\344\275\234\344\270\232.html"	
@@ -0,0 +1,67 @@
+<!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>
+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
+{
+    [arr[0],arr[2]]=[arr[2],arr[0]]
+}
+console.log(arr);
+// 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
+const arr1 =[90,65,78,66,48,39,92,73]
+for (let i = 0; i < arr1.length-1; i++) {
+    for (let j = 0; j < arr1.length-1; j++) {
+        if (arr1[j]<arr1[j+1]) {
+        [arr1[j],arr1[j+1]]=[arr1[j+1],arr1[j]]
+        }
+    }
+}
+console.log(arr1);
+// 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
+const str='I love teaching and empowering people. I teach HTML, CSS, JS, React, Python.'
+// var str1=str.replace(',','')
+// var str2=str1.replace('.','')
+var word=str.split(' ')
+console.log(word.length+'个单词');
+
+
+const arr2 = [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
+arr2.splice(0,1,86)
+console.log(arr2);
+// 2.移除最后一个元素43， 并在末尾添加1
+arr2.pop()
+arr2.push(1)
+console.log(arr2);
+// 3.在 70 65 之间插入 元素 68
+arr2.splice(4,0,68)
+console.log(arr2);
+// 4.删除元素65
+arr2.splice(5,1)
+console.log(arr2);
+// 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
+var new_arr=arr2.map((item,index,arr)=>{
+    return item+2;
+})
+console.log(new_arr);
+// 6.筛选数组new_arr返回new_arr1,要求new_arr1: 能被2整除
+var new_arr1=new_arr.filter((item,index,arr)=>
+    item%2==0
+)
+console.log(new_arr1);
+</script>
+</head>
+<body>
+    
+</body>
+</html>
\ No newline at end of file
-- 
Gitee

