#189 new
jayaprakash kumar

The object does not support this property or method -- if (iterable.toArray)

Reported by jayaprakash kumar | February 7th, 2012 @ 04:27 PM


In the below Code Snippet if(iterable.toArray) is NOT working in Windows xp after the recent patches from Microsoft, and we tried both IE 7 and IE8, still it is not working.

The javascript error is "The object does not support this property or method"

We are using Prototype JavaScript framework, version, please find the attached screen shot jpg file for reference.

Code Snippet :-
var $A = Array.from = function(iterable) {
if (!iterable) return []; if (iterable.toArray) {

return iterable.toArray();

} else {

var results = [];
for (var i = 0, length = iterable.length; i < length; i++)
return results;

} }

Thanks in Advance.

Comments and changes to this ticket

  • rafalwrzeszcz

    rafalwrzeszcz February 8th, 2012 @ 10:50 AM

    • Assigned user set to “Samuel Lebeau” is faaar outdated and I believe it's not supported anymore, so I wouldn't expect it to work nicely with latest versions of browsers and OSes.

  • jayaprakash kumar

    jayaprakash kumar February 8th, 2012 @ 10:57 AM

    so far version worked successfully, recently only we are facing this issue and that to only specific machine, also please suggest which version you would suggested to replace of version

  • rafalwrzeszcz

    rafalwrzeszcz February 8th, 2012 @ 11:44 AM

    Well, latest stable release is 1.7, but of course there can be incomatibility issues.

    If you want to avoid this change, this line looks as follows in 1.7:

    if ('toArray' in Object(iterable)) return iterable.toArray();
  • jayaprakash kumar

    jayaprakash kumar February 8th, 2012 @ 01:56 PM

    Only we need to replace the prototype.js of 1.7 new version or any other files or library we need to import.

  • Himanshu mishra

    Himanshu mishra May 23rd, 2019 @ 09:49 AM

    • Tag set to solitaire

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