Check for a valid iframe response before trying to access the iframe body's text   - When the iframe transport is used for a cross-origin upload, the iframe response body canot be accessed from javascript.
Check for a valid iframe response before trying to access the iframe body's text
  - When the iframe transport is used for a cross-origin upload, the iframe response body canot be accessed from javascript.

blueimp/jQuery-File-Upload,blueimp/jQuery-File-Upload,blueimp/jQuery-File-Upload,Verde1705/verde1705.github.io,blueimp/jQuery-File-Upload,GrizliK1988/PhotoWidget,blueimp/jQuery-File-Upload,Verde1705/verde1705.github.io,blueimp/jQuery-File-Upload