我正试图找到一个特定的子子和改动案文的颜色,以及一只黑色的文字,这取决于超文本5和 Java本中六分的颜色。 我有相关颜色的坐标,图像来自URL。 我已经为我想要改变的颜色开设了CSS课程。
坐标为315,189。
我尝试使用我在不同网站上发现的法典,但从未解释如何做任何事情,只是给法典,因此它从未奏效。
function getPixel(url, x, y) {
var img = new Image();
img.src = //this is where the url goes;
var canvas = document.createElement( canvas );
var context = canvas.getContext( 2d );
context.drawImage(img, 0, 0);
return context.getImageData(x, y, 1, 1).data;
}
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