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<!DOCTYPE html> <html> <head> <title>使用Image对象获取图片原始尺寸</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <div id="result"></div> <script> var image = new Image(); image.src = "https://www.baidu.com/img/bd_logo1.png"; image.onload = function () { var str = "图片的显示尺寸：" + this.width + " x " + this.height; str += "<br/>"; str += "图片的原始尺寸：" + this.naturalWidth + " x " + this.naturalHeight; document.getElementById("result").innerHTML = str; } document.body.append(image); </script> </body> </html>