From 911dd3404a663e6d9f064ccd16cad25c8c9abab7 Mon Sep 17 00:00:00 2001
From: ruanyf <yifeng.ruan@gmail.com>
Date: Thu, 12 Oct 2017 09:59:24 +0800
Subject: [PATCH] =?UTF-8?q?docs(class-extends):=20=E5=AD=90=E7=B1=BB?=
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---
 docs/class-extends.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/docs/class-extends.md b/docs/class-extends.md
index 02b36ee..ead4ea8 100644
--- a/docs/class-extends.md
+++ b/docs/class-extends.md
@@ -92,6 +92,23 @@ cp instanceof Point // true
 
 上面代码中，实例对象`cp`同时是`ColorPoint`和`Point`两个类的实例，这与 ES5 的行为完全一致。
 
+最后，父类的静态方法，也会被子类继承。
+
+```javascript
+class A {
+  static hello() {
+    console.log('hello world');
+  }
+}
+
+class B extends A {
+}
+
+B.hello()  // hello world
+```
+
+上面代码中，`hello()`是`A`类的静态方法，`B`继承`A`，也继承了`A`的静态方法。
+
 ## Object.getPrototypeOf()
 
 `Object.getPrototypeOf`方法可以用来从子类上获取父类。