Types: Document "Anything" virtual type

Ref gh-391
Closes gh-504

Author: usmonster

pages/Types.html

@@ -35,6 +35,7 @@
 </p>
 <div id="toctitle"><h2>Contents</h2></div>
 <ol>
+  <li class="toclevel-1"><a href="#Anything"><span class="toctext">Anything</span></a>
   <li class="toclevel-1"><a href="#String"><span class="toctext">String</span></a>
     <ul>
       <li class="toclevel-2"><a href="#Quoting"><span class="toctext">Quoting</span></a></li>
@@ -95,6 +96,10 @@
   <li class="toclevel-1"><a href="#XMLDocument"><span class="toctext">XML Document</span></a></li>
 </ol>
 
+<h2 id="Anything"> Anything </h2>
+<p>The <strong>Anything</strong> virtual type is used in jQuery documentation to indicate that any type can be used or should be expected.
+</p>
+
 <h2 id="String"> String </h2>
 <p>A string in JavaScript is an immutable object that contains none, one or many characters.
 </p>