How to get parent page elements from iframe subpage_jquery

Get the parent page element

in the iframe child page. The code is as follows:

Copy the code and the code is as follows:

$.('#objld', parent.document);

Get the elements of the iframe subpage in the parent page
The code is as follows:

Copy code The code is as follows:

$("#objid", document.iframes('iframe').document)

or

Copy code The code is as follows:

$(document. getElementById('iframeId').contentWindow.document.body).html() $(document.getElementById('iframeId').contentWindow.document.body).html()

Display in iframe The content of the body element

Copy code The code is as follows:

$("#testId", document .frames("iframename").document).html()