From 5fbb78a711f62021b955149b68ca93585a0a3561 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E9=B9=8F?= <3460863727@qq.com>
Date: Tue, 18 Oct 2022 23:28:24 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AC=AC=E4=BA=8C=E6=AC=A1?=
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.../2022-10-17\346\225\260\347\273\204.md" | 62 +++++++++++++++++
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create mode 100644 "18\351\231\210\351\271\217/\347\254\224\350\256\260/2022-10-17\346\225\260\347\273\204.md"
diff --git "a/18\351\231\210\351\271\217/\344\275\234\344\270\232/\347\254\254\344\272\214\346\254\241text.html" "b/18\351\231\210\351\271\217/\344\275\234\344\270\232/\347\254\254\344\272\214\346\254\241text.html"
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@@ -0,0 +1,67 @@
+
+
+
+
+
+
+ Document
+
+
+
+
+
+
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diff --git "a/18\351\231\210\351\271\217/\347\254\224\350\256\260/2022-10-17\346\225\260\347\273\204.md" "b/18\351\231\210\351\271\217/\347\254\224\350\256\260/2022-10-17\346\225\260\347\273\204.md"
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+##### 数组 : 引用型(对象 增删改查),基本数据类型(值类型)
+
+`//增:`
+
+ `// arr[10] = 'java'`
+
+ `//查 : arr[index]`
+
+ `//改`
+
+ `//arr[1] = "五"`
+
+ `//删:`
+
+ `//delete arr[0];`
+
+##### `增加: push, pop , shift, unshift 链表 队列`
+
+ `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`
+
+##### //排序:sort():根据字符串顺序排序,不是按照数字大小排序
+
+##### //reverse()反转数组
+
+ `// const arr = [1, '5', null, undefined, 6, 4, 11111111]`
+
+ `// arr.reverse()`
+
+##### //splice(index,delecount,insertvalue):下标index开始,删除delecount个元素
+
+ //再添加inservalue
+
+ //只删除, 替换, 添加
+
+ // arr.splice(3,0,'嫁','接',666); //替换作用
+
+```
+ const arr = [45,74,23,85,23,54,85];
+
+ // 通过冒泡排序, 从小到大 从大到小
+
+ for(let i = 0; iarr[j+1]){
+
+ [arr[j],arr[j+1]] = [arr[j+1],arr[j]]
+
+ }
+
+ }
+
+ }
+```
+
--
Gitee