diff --git a/solution/0000-0099/0078.Subsets/78. Subsets.js b/solution/0000-0099/0078.Subsets/78. Subsets.js
new file mode 100644
index 0000000000000..1e4a65725435f
--- /dev/null
+++ b/solution/0000-0099/0078.Subsets/78. Subsets.js	
@@ -0,0 +1,22 @@
+
+ //* @param {number[]} nums
+ //* @return {number[][]}
+ 
+var subsets = function(nums) {
+    let result=[]
+          
+  const dfs=(i,nums,slate)=>{
+      
+    if(i===nums.length){
+      result.push(slate.slice())
+      return
+    }
+      
+      dfs(i+1,nums,slate)
+      slate.push(nums[i])
+      dfs(i+1,nums,slate)
+      slate.pop()
+  }
+  dfs(0,nums,[])
+  return result
+};