jquery - html2canvas creating issue for dynamiclly added divs -


i adding html ajax existing html. there div eandring html2canvas 

$('#main-frame'+tasknumber).html2canvas({    onrendered: function (canvas) {     $('#img_val_'+tasknumber).val(canvas.todataurl("image/png"));    } });

tasknumber 1 starting div. when load div id main-frame2 not able render , creating error shown below

'doc undefined'

when debug object render, @ first creating , element after creating array html2canvas not able render it.


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