From 279931cd0bf387f7a9315b7db50e30a60275b26b Mon Sep 17 00:00:00 2001
From: Mike Gerwitz <mike@mikegerwitz.com>
Date: Mon, 7 May 2012 00:08:59 -0400
Subject: [PATCH] Augmented Classical Interitance section of About page with
 isA() information

---
 index.html               | 13 ++++++++++++-
 scripts/ex/class-poly.js |  7 +++++++
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 scripts/ex/class-poly.js

diff --git a/index.html b/index.html
index 24b8781..99cb133 100644
--- a/index.html
+++ b/index.html
@@ -92,7 +92,18 @@
 </pre>
 
 <p>
-  To prevent a class from being extended, <tt>FinalClass</tt> can be used.
+  Type checks for polymorphic methods may be performed with
+  <tt>Class.isA()</tt>, which is <a
+  href="manual/Type-Checks-and-Polymorphism.html" class="man">recommended in
+  place of <tt>instanceof</tt></a>.
+</p>
+<pre class="js">
+  <!--%inc scripts/ex/class-poly.js-->
+</pre>
+
+<p>
+  To prevent a class from being extended, <a href="manual/Final-Classes.html"
+  class="man"><tt>FinalClass</tt></a> may be used.
 </p>
 <pre class="js">
   <!--%inc scripts/ex/class-final.js-->
diff --git a/scripts/ex/class-poly.js b/scripts/ex/class-poly.js
new file mode 100644
index 0000000..c5b32cb
--- /dev/null
+++ b/scripts/ex/class-poly.js
@@ -0,0 +1,7 @@
+var cow    = Cow(),
+    sturdy = SturdyCow();
+
+Class.isA( Cow, cow );           // true
+Class.isA( SturdyCow, cow );     // false
+Class.isA( Cow, sturdy );        // true
+Class.isA( SturdyCow, sturdy );  // true