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<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
private void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
HtmlHead header = this.Page.Header;
/* 1
(header.FindControl("t") as Literal).Text = "<script src='js/jquery-1.7.1.js'></scr" + "ipt>";
*/
/* 2
Control s = new LiteralControl("<script src='js/jquery-1.7.1.js'></scr" + "ipt>");
header.Controls.AddAt(0, s);
*/
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<asp:Literal ID="t" runat="server" />
<script type="text/javascript">
$(function () {
$("#s").html("load success.");
})
</script>
</head>
<body>
<div id="s"> hello~ </div>
</body>
</html>
<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
private void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
HtmlHead header = this.Page.Header;
/* 1
(header.FindControl("t") as Literal).Text = "<script src='js/jquery-1.7.1.js'></scr" + "ipt>";
*/
/* 2
Control s = new LiteralControl("<script src='js/jquery-1.7.1.js'></scr" + "ipt>");
header.Controls.AddAt(0, s);
*/
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<asp:Literal ID="t" runat="server" />
<script type="text/javascript">
[code=JScript]$(function () {
$("#s").html("load success.");
})
function loadJs(path){
var element = document.createElement('script');
element.setAttribute('type', 'text/javascript');
element.setAttribute('src', path);
element.setAttribute('defer', 'defer');//看需求
document.getElementsByTagName("head")[0].appendChild(element);
}
<input type="button" value="load" onclick="loadJs('http://domain/path/name.js')" />