The JQueryiframe page manipulates the elements in the parent page with the method of instance
- 2020-03-29 23:51:45
- OfStack
1) method to find the parent page element in the iframe:
$(' # id 'window. The parent. The document)
2) call the methods and variables defined in the parent page in the iframe:
The parent. The method
The parent. The value
3) instance
1. The parent page
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="IframeDemo._Default" %>
<!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 runat="server">
<title></title>
<script language="javascript" type="text/javascript" src="jquery-1.5.1.min.js"></script>
<script language="javascript" type="text/javascript">
var hello = 'hello';
function getHelloWorld() {
alert('hello world');
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<div id="default" style=" width:200px; height:400px; float:left;">default.aspx</div>
<iframe id="iframeid" src="IFrame.aspx" style=" width:400px; height:400px; float:left;"></iframe>
</div>
</form>
</body>
</html>
2. Child pages
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="IFrame.aspx.cs" Inherits="IframeDemo.IFrame" %>
<!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 runat="server">
<title></title>
<script language="javascript" type="text/javascript" src="jquery-1.5.1.min.js"></script>
<script language="javascript" type="text/javascript">
$(function() {
//Find the parent page element in the iframe
alert($('#default', window.parent.document).html());
//The method defined in the parent page is called in the iframe
parent.getHelloWorld();
//The variables defined in the parent page are called in the iframe
alert(parent.hello);
});
</script>
</head>
<body>
<form id="form1" runat="server">
<div id="iframe">
IFrame.aspx
</div>
</form>
</body>
</html>