javascript - Uncaught TypeError: Cannot read property 'parentNode' of undefined -


i trying convert google chart image.

i found code on jsfiddle - http://jsfiddle.net/scjm8/32/. want download image without pressing button. try im getting uncaught typeerror: cannot read property 'parentnode' of undefined error.

i tried making example (#test id of 'download image' button):

 $(document).ready(function() {     $('#test').click();  });

or:

  <body onload="toimg(document.getelementbyid('pie_div'));">

but getting same error.. suggestions how can make download image without pressing button? how can fix error?

i updated jsfiddle. should work now. using script tag inside script tag.


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