js/合并数组中的key值.md

@@ -1,7 +1,7 @@
 <!--
  * @Author: your name
  * @Date: 2021-08-20 16:17:21
- * @LastEditTime: 2021-08-24 17:31:58
+ * @LastEditTime: 2021-08-24 17:58:21
  * @LastEditors: Please set LastEditors
  * @Description: 
  * @FilePath: \md-\js\合并数组中的key值.md
@@ -115,12 +115,34 @@ const res = [...map.values()]
 - `array`原始数组,当前循环的原始数组
 > [!tip] 
 > 一个偏向于官方风格的示例,用来求数组中的和
- 
+
+执行下方代码
 ```js
-[0,1,2,3].reduce((accumulator,currentValue,index,array)=>{
-    console.log(`accumulator:${accumulator}\ncurrentValue:${currentValue}\nindex:${index}`)
+let result = [0,1,2,3].reduce((accumulator,currentValue,index,array)=>{
+    console.log(`accumulator:${accumulator}\ncurrentValue:${currentValue}\nindex:${index}\n`)
     return accumulator + currentValue
 },-1)
+console.log(`最后返回的值${result}`)
+```
+控制台输出
+```
+accumulator:-1
+currentValue:0
+index:0
+
+accumulator:-1
+currentValue:1
+index:1
+
+accumulator:0
+currentValue:2
+index:2
+
+accumulator:2
+currentValue:3
+index:3
+
+最后返回的值5
 ```
 
 ### 2. `js`解构赋值