diff --git "a/leetcode3/\355\231\251\354\235\200\354\247\200/226. Invert Binary Tree.js" "b/leetcode3/\355\231\251\354\235\200\354\247\200/226. Invert Binary Tree.js"
new file mode 100644
index 000000000..235ed5d9e
--- /dev/null
+++ "b/leetcode3/\355\231\251\354\235\200\354\247\200/226. Invert Binary Tree.js"	
@@ -0,0 +1,19 @@
+/**
+ * Definition for a binary tree node.
+ * function TreeNode(val, left, right) {
+ *     this.val = (val===undefined ? 0 : val)
+ *     this.left = (left===undefined ? null : left)
+ *     this.right = (right===undefined ? null : right)
+ * }
+ */
+/**
+ * @param {TreeNode} root
+ * @return {TreeNode}
+ */
+var invertTree = function(root) {
+    if(!root) return null
+    invertTree(root.left);
+    invertTree(root.right);
+    [root.left,root.right]=[root.right,root.left];
+    return root;
+};
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