相关疑难解决方法(0)

有没有办法在Google的Chrome浏览器上禁用同源策略？

这是严格的开发,而不是生产用途.

我使用html5 Canvas从图像中获取颜色.为此,我在javascript中编写了以下代码:

http://jsfiddle.net/8dQSS/1/(请检查控制台以查看异常)

function getImageColor() {
    var colors = [];
    var image = new Image();

    image.onload = function () {
        var canvas = document.createElement("canvas");
        canvas.width = image.width;
        canvas.height = image.height;

        // Draw the image in canvas
        var ctx = canvas.getContext("2d");
        ctx.drawImage(image, 0, 0);

        // Get the pixel data
        var imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);

        // Loop through imageData.data - an array with 4 values per pixel: red, green, blue, and alpha
        for (var x = 0; x …