JQueryiframe page operates elements and methods in the parent page (explanation with examples)_jquery

1) How to find the parent page element in an iframe:
$('#id', window.parent.document)

2) Call the methods and variables defined in the parent page in the iframe:
parent.method
parent.value

3) Example

1. Parent page

Copy code The code is as follows:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="IframeDemo._Default" %>




 

default.aspx

 
                                                                                >




Copy code

The code is as follows:

<%@ Page Language="C#" AutoEventWireup ="true" CodeBehind="IFrame.aspx.cs" Inherits="IframeDemo.IFrame" %>                                                                                                                                                                                                                                                                 Element

          alert($('#default', window.parent.document).html()); 🎜>                                                                                                                                                                               ;body>

 
 

  IFrame.aspx
 

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