我的代码在我的localhost上运行得很好,但是它在网站上没有运行.
我从控制台得到了这个错误.getImageData(x,y,1,1).data:
Uncaught SecurityError: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data.
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我的部分代码:
jQuery.Event.prototype.rgb=function(){
var x = this.offsetX || (this.pageX - $(this.target).offset().left),y = this.offsetY || (this.pageY - $(this.target).offset().top);
if (this.target.nodeName!=="CANVAS")return null;
return this.target.getContext('2d').getImageData(x,y,1,1).data;
}
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注意:我的图片网址(src)来自子网址网址