<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title></title> <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /> <style type="text/css"> </style> <script type="text/javascript" src="jquery-1.7.1.min.js"></script> <script type="text/javascript"> window.onload=function(){ $('#btnOk').click(function(){ //一次设置多个属性值 //$('font').attr({'color':'red','size':'6'}); //使用函数的返回值作为属性值 $('font').attr('color',function(){ return 'yellow'; }); }); }; </script> </head> <body> <font color='#336699'>字体10</font> <hr /> <font>字体2</font> <hr /> <input type="button" id='btnOk' value='确定' /> </body> </html>