try to ignore events on child nodes which have been retained

lib/helpers.js

@@ -19,6 +19,12 @@ function makeEventListener (fn, path) {
 }
 
 
+function ignoreEvent (event) {
+  event.stopPropagation()
+  event.preventDefault()
+}
+
+
 function bindEvents (events, useCapture) {
   var listeners = {}
 
@@ -28,11 +34,16 @@ function bindEvents (events, useCapture) {
     var key
 
     if (value === null)
-      for (key in events)
+      for (key in events) {
         // The point of removing event listeners here is not manual memory
         // management, but to ensure that after the value has been unset, it
         // no longer triggers events.
         node.removeEventListener(key, listeners[key], useCapture)
+
+        // Add a capturing event listener to make future events effectively
+        // ignored.
+        node.addEventListener(key, ignoreEvent, true)
+      }
     else if (previousValue === null)
       for (key in events) {
         listeners[key] = makeEventListener(events[key], path)