使用HTML5将图像转换为二进制数组（blob）

I am trying to use the 'FileReader' and 'File' APIs that are supported in HTML5 in Chrome and Firefox to convert an image to a binary array, but it does not seem to be working correctly on Chrome. I just have a simple HTML page with a file as the input type:I am trying to use the 'FileReader' and 'File'