Elements interoperate between parent and child pages (IFrame sub-page)

Js/jquery How to get the elements in an iframe child page:

First, use window.frames["iframe ID"] to get the element

function () {        varwindow.frames["Oiframe"]. document.getElementById ("GetFrame");        Console.log (oiframe);}

Note: Be sure to add window.onload or domcontentloaded here, that is, after the DOM is loaded or the page is loaded.

Second, using Window.name to get the element

var oidframe = window. oiframe. document.getElementById ("GetFrame"); Console.log (oidframe);

Oiframe is the Name property value of the IFRAME, which does not have to be written in window.onload or domcontentloaded, please test it yourself.

Third, using getElementById to get the element

var  document.getElementById ("Oiframe").  Contentwindow. document.getElementById ("GetFrame"); Console.log (oidframe);

After using document.getElementById to get the IFRAME element for this page, get the elements of the IFRAME child page. This method of acquisition does not have to be written in window.onload or domcontentloaded

Iv. using jquery to get

var ojiframe = $ ("#oIframe"). Contents (). Find ("#getFrame"). html (); Console.log (ojiframe);

Js/jquery iframe child page Gets the parent page element method:

First, the use of JS

var fatherele = window.parent.document.getElementById ("title"); Console.log (Fatherele);

Ii. Use of JQ

var fatherelejq = $ ("#title", parent.document); Console.log (FATHERELEJQ);

Parent page:

<DivID= "title">Index contains IFRAME sub-page</Div>    <DivID= "Parent">        <iframename= "Oiframe"ID= "Oiframe"src= "iframe.html"frameborder= "0"width= "+"Height= "562"></iframe></Div>

Iframe.html Sub-page:

<id= "GetFrame">iframe</div>

Reference Link: http://java-my-life.iteye.com/blog/1275205

Elements interoperate between parent and child pages (IFrame sub-page)