源代码:
<!DOCTYPE html> <html> <head> <script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ $("button").click(function(){ alert("Image width: " + $("img").attr("width")); }); }); </script> </head> <body> <img src="img_pulpitrock.jpg" alt="Pulpit Rock" width="284" height="213"> <br> <button>Return the width of the image</button> </body> </html>
运行结果：