Merge pull request #127 from fusunx/master

0491.递增子序列.md Javascript版本

problems/0491.递增子序列.md

@@ -233,6 +233,34 @@ Python：
 
 Go：
 
+Javascript:
+
+```Javascript
+
+var findSubsequences = function(nums) {
+    let result = []
+    let path = []
+    function backtracing(startIndex) {
+        if(path.length > 1) {
+            result.push(path.slice())
+        }
+        let uset = []
+        for(let i = startIndex; i < nums.length; i++) {
+            if((path.length > 0 && nums[i] < path[path.length - 1]) || uset[nums[i] + 100]) {
+                continue
+            }
+            uset[nums[i] + 100] = true
+            path.push(nums[i])
+            backtracing(i + 1)
+            path.pop()
+        }
+    }
+    backtracing(0)
+    return result
+};
+
+```
+