From 11e69b0d927dd4a81995dcd51041a2d12236e007 Mon Sep 17 00:00:00 2001
From: zhaocchen <zhaocchen@163.com>
Date: Fri, 21 May 2021 11:39:40 +0800
Subject: [PATCH] feat: add javascript solution to lc problem: No.1502.Can Make
 Arithmetic Progression From Sequence

---
 .../README.md                                    | 16 ++++++++++++++++
 .../README_EN.md                                 | 16 ++++++++++++++++
 .../Solution.js                                  | 11 +++++++++++
 3 files changed, 43 insertions(+)
 create mode 100644 solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/Solution.js

diff --git a/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/README.md b/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/README.md
index 45d310ca506f3..544934e8e14ae 100644
--- a/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/README.md	
+++ b/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/README.md	
@@ -76,6 +76,22 @@ class Solution {
 }
 ```
 
+### **JavaScript**
+
+```js
+/**
+ * @param {number[]} arr
+ * @return {boolean}
+ */
+var canMakeArithmeticProgression = function(arr) {
+    arr.sort((a, b) => a - b);
+    for (let i = 1; i < arr.length - 1; i++) {
+        if ((arr[i] << 1) != (arr[i - 1] + arr[i + 1])) return false;
+    }
+    return true;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/README_EN.md b/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/README_EN.md
index d447c59612b92..28f3b90825b93 100644
--- a/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/README_EN.md	
+++ b/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/README_EN.md	
@@ -66,6 +66,22 @@ class Solution {
 }
 ```
 
+### **JavaScript**
+
+```js
+/**
+ * @param {number[]} arr
+ * @return {boolean}
+ */
+var canMakeArithmeticProgression = function(arr) {
+    arr.sort((a, b) => a - b);
+    for (let i = 1; i < arr.length - 1; i++) {
+        if ((arr[i] << 1) != (arr[i - 1] + arr[i + 1])) return false;
+    }
+    return true;
+};
+```
+
 ### **...**
 
 ```
diff --git a/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/Solution.js b/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/Solution.js
new file mode 100644
index 0000000000000..195ea36a396df
--- /dev/null
+++ b/solution/1500-1599/1502.Can Make Arithmetic Progression From Sequence/Solution.js	
@@ -0,0 +1,11 @@
+/**
+ * @param {number[]} arr
+ * @return {boolean}
+ */
+ var canMakeArithmeticProgression = function(arr) {
+    arr.sort((a, b) => a - b);
+    for (let i = 1; i < arr.length - 1; i++) {
+        if ((arr[i] << 1) != (arr[i - 1] + arr[i + 1])) return false;
+    }
+    return true;
+};
\ No newline at end of file