diff --git a/problems/0053.最大子序和.md b/problems/0053.最大子序和.md
index 0d47a197..81e0b35a 100644
--- a/problems/0053.最大子序和.md
+++ b/problems/0053.最大子序和.md
@@ -190,7 +190,23 @@ func maxSubArray(nums []int) int {
     return maxSum
 }
 ```
-
+Javascript:
+```Javascript
+var maxSubArray = function(nums) {
+    let result = -Infinity
+    let count = 0
+    for(let i = 0; i < nums.length; i++) {
+        count += nums[i]
+        if(count > result) {
+            result = count
+        }
+        if(count < 0) {
+            count = 0
+        }
+    }
+    return result
+};
+```
 
 
 
diff --git a/problems/0376.摆动序列.md b/problems/0376.摆动序列.md
index db80a3e5..6fa30cde 100644
--- a/problems/0376.摆动序列.md
+++ b/problems/0376.摆动序列.md
@@ -143,7 +143,23 @@ Python：
 Go：
 
 
-
+Javascript:
+```Javascript
+var wiggleMaxLength = function(nums) {
+    if(nums.length <= 1) return nums.length
+    let result = 1
+    let preDiff = 0
+    let curDiff = 0
+    for(let i = 0; i <= nums.length; i++) {
+        curDiff = nums[i + 1] - nums[i]
+        if((curDiff > 0 && preDiff <= 0) || (curDiff < 0 && preDiff >= 0)) {
+            result++
+            preDiff = curDiff
+        }
+    }
+    return result
+};
+```
 
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