jQuery中的document.ready和js中的window.onload速度对比
<!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><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>jQuery简单输出对话框alert使用方法</title><script language="javascript" type="text/javascript">window.onload = function(){ alert('js程序弹出的对话框对比！'); } //js代码弹出对话框</script><script type="text/javascript" language="javascript" src="jquery-1.8.0.js"></script><script type="text/javascript" language="javascript">$(document).ready(function(){ alert('你好jQuery！'); //jQuery代码弹出对话框 })</script></head><body><p><img src="../images/Desert.jpg" /></p>一个简单的jQuery对话框程序。</body></html>