javascript - Canvas - Cannot create image url -

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i set fiddle 2 images. don't understand why image a) not suitable, me source looks similar source of image b).

js fiddle

html

a)<img src="http://img.ui-portal.de/uim/coop/monster-beratung_140x115.jpg" />    b)<img src="http://i0.gmx.net/images/258/18821258,pd=2,h=250,mxh=600,mxw=800,w=480.jpg"  />       <h4> display images above dataurl source: </h4>          <div id="converted" ></div>

js

//create canvas-image a)  var imga = new image();  imga.crossorigin = "anonymous";   imga.src = "http://img.ui-portal.de/uim/coop/monster-beratung_140x115.jpg";              imga.onload = function(){              var canvasa = document.createelement('canvas');             canvasa.width = imga.width;             canvasa.height = imga.height;             var ctxa = canvasa.getcontext('2d');             ctxa.drawimage(imga, 0, 0);             var imgurl = canvasa.todataurl();                 console.log("die url: "+ imgurl)                 $("#converted").append("<img src="+imgurl +" />");             }    //create canvas-image b)  var imgb = new image();  imgb.crossorigin = "anonymous";   imgb.src = "http://i0.gmx.net/images/258/18821258,pd=2,h=250,mxh=600,mxw=800,w=480.jpg";              imgb.onload = function(){              var canvasb = document.createelement('canvas');             canvasb.width = imgb.width;             canvasb.height = imgb.height;             var ctxb = canvasb.getcontext('2d');             ctxb.drawimage(imgb, 0, 0);             var imgurl = canvasb.todataurl();                 console.log("die url: "+ imgurl)                 $("#converted").append("<img src="+imgurl +" />");             }

the first image protected owner.

see debuger message

image origin 'http://img.ui-portal.de' has been blocked loading cross-origin resource sharing policy: no 'access-control-allow-origin' header present on    requested resource. origin 'http://fiddle.jshell.net' therefore not allowed access.

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