Remove focus from form elements as well.

index.js

@@ -130,7 +130,7 @@ Pjax.prototype = {
 
     // Clear out any focused controls before inserting new page contents.
     // we clear focus on non form elements
-    if (document.activeElement && !document.activeElement.value && contains(this.options.selectors, document.activeElement)) {
+    if (document.activeElement && contains(this.options.selectors, document.activeElement)) {
       try {
         document.activeElement.blur()
       } catch (e) { }