Move pushCache into XHR success handler.

Author: AlexHill

jquery.pjax.js

@@ -253,6 +253,11 @@ function pjax(options) {
       return
     }
 
+    if (options.push && !options.replace) {
+      // Cache current container element before replacing it
+      cachePush(pjax.state.id, context.clone().contents())
+    }
+
     // Update browser location and history
     pjax.state = {
       id: options.id || uniqueId(),
@@ -344,11 +349,6 @@ function pjax(options) {
   var xhr = pjax.xhr = $.ajax(options)
 
   if (xhr.readyState > 0) {
-    if (options.push && !options.replace) {
-      // Cache current container element before replacing it
-      cachePush(pjax.state.id, context.clone().contents())
-    }
-
     fire('pjax:start', [xhr, options])
     fire('pjax:send', [xhr, options])
   }