diff --git a/solution/0800-0899/0872.Leaf-Similar Trees/README.md b/solution/0800-0899/0872.Leaf-Similar Trees/README.md
index 2baf6f3410c4c..9b8221fbc0d7d 100644
--- a/solution/0800-0899/0872.Leaf-Similar Trees/README.md	
+++ b/solution/0800-0899/0872.Leaf-Similar Trees/README.md	
@@ -224,6 +224,24 @@ impl Solution {
 }
 ```
 
+```js
+var leafSimilar = function (root1, root2) {
+    const dfs = root => {
+        if (!root) {
+            return [];
+        }
+        let ans = [...dfs(root.left), ...dfs(root.right)];
+        if (!ans.length) {
+            ans = [root.val];
+        }
+        return ans;
+    };
+    const l1 = dfs(root1);
+    const l2 = dfs(root2);
+    return l1.toString() === l2.toString();
+};
+```
+
 <!-- tabs:end -->
 
 <!-- end -->
diff --git a/solution/0800-0899/0872.Leaf-Similar Trees/README_EN.md b/solution/0800-0899/0872.Leaf-Similar Trees/README_EN.md
index 7c41bef49d159..3ebbc6f73c71b 100644
--- a/solution/0800-0899/0872.Leaf-Similar Trees/README_EN.md	
+++ b/solution/0800-0899/0872.Leaf-Similar Trees/README_EN.md	
@@ -214,6 +214,24 @@ impl Solution {
 }
 ```
 
+```js
+var leafSimilar = function (root1, root2) {
+    const dfs = root => {
+        if (!root) {
+            return [];
+        }
+        let ans = [...dfs(root.left), ...dfs(root.right)];
+        if (!ans.length) {
+            ans = [root.val];
+        }
+        return ans;
+    };
+    const l1 = dfs(root1);
+    const l2 = dfs(root2);
+    return l1.toString() === l2.toString();
+};
+```
+
 <!-- tabs:end -->
 
 <!-- end -->
diff --git a/solution/0800-0899/0872.Leaf-Similar Trees/Solution.js b/solution/0800-0899/0872.Leaf-Similar Trees/Solution.js
new file mode 100644
index 0000000000000..5f1ea802d15bd
--- /dev/null
+++ b/solution/0800-0899/0872.Leaf-Similar Trees/Solution.js	
@@ -0,0 +1,15 @@
+var leafSimilar = function (root1, root2) {
+    const dfs = root => {
+        if (!root) {
+            return [];
+        }
+        let ans = [...dfs(root.left), ...dfs(root.right)];
+        if (!ans.length) {
+            ans = [root.val];
+        }
+        return ans;
+    };
+    const l1 = dfs(root1);
+    const l2 = dfs(root2);
+    return l1.toString() === l2.toString();
+};