length as a mixedcollection key confuses things...

[roojs1] / Roo / util / MixedCollection.js

diff --git a/Roo/util/MixedCollection.js b/Roo/util/MixedCollection.js
index 1ae3dda..2a251ee 100644 (file)
--- a/Roo/util/MixedCollection.js
+++ b/Roo/util/MixedCollection.js
@@ -307,7 +307,9 @@ mc.add(otherEl);
     indexOfKey : function(key){
         if(!this.keys.indexOf){
             for(var i = 0, len = this.keys.length; i < len; i++){
-                if(this.keys[i] == key) return i;
+                if(this.keys[i] == key) {
+                    return i;
+                }
             }
             return -1;
         }else{
@@ -321,6 +323,9 @@ mc.add(otherEl);
  * @return {Object} The item associated with the passed key.
  */
     item : function(key){
+        if (key === 'length') {
+            return null;
+        }
         var item = typeof this.map[key] != "undefined" ? this.map[key] : this.items[key];
         return typeof item != 'function' || this.allowFunctions ? item : null; // for prototype!
     },