Asynchronous switch functions (Make sure the DOM is parsed after switching) (#79)

* Make sure the DOM is parsed after switching

* Fix reload-link in the example

example/example.js

@@ -19,7 +19,8 @@ document.addEventListener("pjax:success", function() {
 
 document.addEventListener("DOMContentLoaded", function() {
   var pjax = new Pjax({
-    selectors: [".body"],
+    elements: [".js-Pjax"],
+    selectors: [".body"]
     // currentUrlFullReload: true,
   })
   console.log("Pjax initialized.", pjax)

example/index.html

@@ -10,7 +10,7 @@
     <div class='body'>
       <h1>Index</h1>
       Hello.
-      Go to <a href='page2.html'>Page 2</a> and view your console to see Pjax events.
+      Go to <a href='page2.html' class="js-Pjax">Page 2</a> and view your console to see Pjax events.
       Clicking on <a href='index.html'>this page</a> will just reload the page entierly.
     </div>
   </body>

example/page2.html

@@ -9,7 +9,7 @@
   <body>
     <div class='body'>
       <h1>Page 2</h1>
-      Hello. Go to <a href='index.html'>Index</a>.
+      Hello. Go to <a href='index.html' class="js-Pjax">Index</a>.
     </div>
   </body>
 </html>

index.js

@@ -83,6 +83,7 @@ Pjax.prototype = {
   },
 
   onSwitch: function() {
+    this.parseDOM(document)
     trigger(window, "resize scroll")
   },