From a2539333a0d798cba512b44dd47fc1abb7d89fbb Mon Sep 17 00:00:00 2001
From: Junwen Huang <58247686+hjwforever@users.noreply.github.com>
Date: Thu, 12 Aug 2021 10:10:23 +0800
Subject: [PATCH] =?UTF-8?q?upt:=20edit=20=E4=BA=8C=E5=8F=89=E6=A0=91?=
 =?UTF-8?q?=E7=90=86=E8=AE=BA=E5=9F=BA=E7=A1=80.md?=
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添加JavaScript版的二叉树节点定义方式
---
 problems/二叉树理论基础.md | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/problems/二叉树理论基础.md b/problems/二叉树理论基础.md
index abeeae67..edd1fed4 100644
--- a/problems/二叉树理论基础.md
+++ b/problems/二叉树理论基础.md
@@ -223,6 +223,14 @@ type TreeNode struct {
 }
 ```
 
+JavaScript：
+```
+function TreeNode(val, left, right) {
+    this.val = (val===undefined ? 0 : val)
+    this.left = (left===undefined ? null : left)
+    this.right = (right===undefined ? null : right)
+}
+```
 
 
 -----------------------