[OpenLayers-Trac] Re: [OpenLayers] #2959: instance of Array + GWT + Buttons + IFRAME = BUG in Panel.js

[OpenLayers]

#2959: instance of Array + GWT +  Buttons + IFRAME = BUG in Panel.js
-----------------------------------------------+----------------------------
 Reporter:  grigoryevigor                      |       Owner:              
     Type:  bug                                |      Status:  new         
 Priority:  major                              |   Milestone:  2.11 Release
Component:  Control.Panel                      |     Version:  2.10        
 Keywords:  instanceof Array IFRAME GWT Panel  |       State:              
-----------------------------------------------+----------------------------

Comment(by grigoryevigor):

 Based on previous comment, I'm proposing to add this function to Util, and
 use it to detect arrays:


 /**
  *  Function: typeOf
  *  This function extends typeof operator and fixes it's missbehavior
  *  with arrays and null. Accepts arrays from foreign frames and windows.
  *  @see http://javascript.crockford.com/remedial.html
  *  @see http://perfectionkills.com/instanceof-considered-harmful-or-how-
 to-write-a-robust-isarray/
  */
 OpenLayers.Util.typeOf = function (value) {
     var s = typeof value;
     if (s === 'object') {
         if (value) {
             if (Object.prototype.toString.call(value) === '[object
 Array]') {
                 s = 'array';
             }
         } else {
             s = 'null';
         }
     }
     return s;
 };

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Ticket URL: <http://trac.openlayers.org/ticket/2959#comment:4>
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