add js solution for findLengthOfLCIS

problems/0674.最长连续递增序列.md

@@ -218,6 +218,49 @@ class Solution:
 
 Go：
 
+Javascript：
+
+> 动态规划：
+```javascript
+const findLengthOfLCIS = (nums) => {
+    let dp = Array(nums.length).fill(1);
+
+
+    for(let i = 0; i < nums.length - 1; i++) {
+        if(nums[i+1] > nums[i]) {
+            dp[i+1] = dp[i]+ 1;
+        }
+    }
+
+    return Math.max(...dp);
+};
+```
+
+> 贪心法：
+```javascript
+const findLengthOfLCIS = (nums) => {
+    if(nums.length === 1) {
+        return 1;
+    }
+
+    let maxLen = 1;
+    let curMax = 1;
+    let cur = nums[0];
+
+    for(let num of nums) {
+        if(num > cur) {
+            curMax += 1;
+            maxLen =  Math.max(maxLen, curMax);
+        } else {
+            curMax = 1;
+        }
+        cur = num;
+    }
+
+    return maxLen;
+};
+```
+