用js实现计算加载页面所用的时间_javascript技巧-js教程-

protected DateTime dt;
protected void Page_Load(object sender, EventArgs e)
{
}
protected override void OnPreInit(EventArgs e)
{
dt = DateTime.Now;
base.OnPreInit(e);
}
protected override void OnLoadComplete(EventArgs e)
{
base.OnLoadComplete(e);
TimeSpan ts = DateTime.Now - dt;
Response.Write("加载页面用时：" + ts.TotalMilliseconds);
}