From 47db74892d56c3b397f42fce7c74185946896791 Mon Sep 17 00:00:00 2001
From: justin <xief008@outlook.com>
Date: Sun, 4 Dec 2022 18:00:44 +0800
Subject: [PATCH] Add TypeScript code to docs (Chapter of Array)

---
 docs/chapter_array_and_linkedlist/array.md | 64 ++++++++++++++++++++--
 1 file changed, 59 insertions(+), 5 deletions(-)

diff --git a/docs/chapter_array_and_linkedlist/array.md b/docs/chapter_array_and_linkedlist/array.md
index fcd7e450b..bba71f06b 100644
--- a/docs/chapter_array_and_linkedlist/array.md
+++ b/docs/chapter_array_and_linkedlist/array.md
@@ -57,7 +57,9 @@ comments: true
 === "TypeScript"
 
     ```typescript title="array.ts"
-
+    /* 初始化数组 */
+    let arr: number[] = new Array(5).fill(0)
+    let nums: number[] = [1, 3, 2, 5, 4]
     ```
 
 === "C"
@@ -148,7 +150,14 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
 === "TypeScript"
 
     ```typescript title="array.ts"
-
+    /* 随机返回一个数组元素 */
+    function randomAccess(nums: number[]): number {
+        // 在区间 [0, nums.length) 中随机抽取一个数字
+        const random_index = Math.floor(Math.random() * nums.length)
+        // 获取并返回随机元素
+        const random_num = nums[random_index]
+        return random_num
+    }
     ```
 
 === "C"
@@ -240,7 +249,17 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
 === "TypeScript"
 
     ```typescript title="array.ts"
-
+    /* 扩展数组长度 */
+    function extend(nums: number[], enlarge: number): number[] {
+        // 初始化一个扩展长度后的数组
+        const res = new Array(nums.length + enlarge).fill(0)
+        // 将原数组中的所有元素复制到新数组
+        for (let i = 0; i < nums.length; i++){
+            res[i] = nums[i]
+        }
+        // 返回扩展后的新数组
+        return res
+    }
     ```
 
 === "C"
@@ -358,7 +377,23 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
 === "TypeScript"
 
     ```typescript title="array.ts"
+    /* 在数组的索引 index 处插入元素 num */
+    function insert(nums: number[], num: number, index: number): void {
+        // 把索引 index 以及之后的所有元素向后移动一位
+        for (let i = nums.length - 1; i >= index; i--) {
+            nums[i] = nums[i - 1]
+        }
+        // 将 num 赋给 index 处元素
+        nums[index] = num
+    }
 
+    /* 删除索引 index 处元素 */
+    function remove(nums: number[], index: number): void {
+        // 把索引 index 之后的所有元素向前移动一位
+        for (let i = index; i < nums.length - 1; i++) {
+            nums[i] = nums[i + 1]
+        }
+    }
     ```
 
 === "C"
@@ -447,7 +482,18 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
 === "TypeScript"
 
     ```typescript title="array.ts"
-
+    /* 遍历数组 */
+    function traverse(nums: number[]): void {
+        let count = 0
+        // 通过索引遍历数组
+        for (let i = 0; i < nums.length; i++) {
+            count++
+        }
+        // 直接遍历数组
+        for(let num of nums){
+            count += 1
+        }
+    }
     ```
 
 === "C"
@@ -523,7 +569,15 @@ elementAddr = firtstElementAddr + elementLength * elementIndex
 === "TypeScript"
 
     ```typescript title="array.ts"
-
+    /* 在数组中查找指定元素 */
+    function find(nums: number[], target: number): number {
+        for (let i = 0; i < nums.length; i++) {
+            if (nums[i] === target) {
+                return i
+            }
+        }
+        return -1
+    }
     ```
 
 === "C"