$dom[0] is undefined

[runn3r85]

I've recently started using Caret.js in order to use atWho.js. I'm using it on a rails app and have installed it two ways. First using the jquery-atwho-rails gem, and then manually installing caret.js and atwho.js. Both times I'm getting the following error:

TypeError: $dom[0] is undefined
oDocument = $dom[0].ownerDocument;

It's happening here specifically on line 366:

configure = function($dom, settings) {
      var error, iframe;
      if ($.isPlainObject(settings) && (iframe = settings.iframe)) {
        $dom.data('caret-iframe', iframe);
        return setContextBy(iframe);
      } else if (iframe = $dom.data('caret-iframe')) {
        return setContextBy(iframe);
      } else {
        oDocument = $dom[0].ownerDocument;
        oWindow = oDocument.defaultView || oDocument.parentWindow;
        try {
          return oFrame = oWindow.frameElement;
        } catch (_error) {
          error = _error;
        }
      }
    };

Not sure what's causing that or how to fix it, any suggestions?

[ichord]

It's weird. can you show me how you use it or use dev tools to capture the call chains.

[ichord]

$dom is not received from outside, it's a jQuery context in $.caret . if you use $.caret it should appear.

[runn3r85]

The error was happening when I was calling $('textarea').caret('pos', 47); For some reason it's now working and not throwing an error. Thanks for the reply!