标签：
// Get on screen image
var screenImage = $("#image");
// Create new offscreen image to test
var theImage = new Image();
theImage.src = screenImage.attr("src");
// Get accurate measurements from that.
var imageWidth = theImage.width;
var imageHeight = theImage.height;
标签：
原文地址：http://www.cnblogs.com/lcyuhe/p/5484105.html
