在jQuery中检索文档的父iframe [英] Retrieving a document's parent iframe in jQuery
问题描述
< div id =ContainingDiv>
< iframe id =ContainingiFrame>
< html>
< head>< / head>
< body>
< / body>
< / html>
< / iframe>
< / div>
在我的javascript方法中，我可以得到< body> 使用jQuery选择器的标签，但是无法检索iframe元素以便调整其大小。我已经尝试了一些东西，但我承认不是jQuery DOM导航的专家，特别是在涉及iframe的情况下（iframe与包含页面在同一个域中）有没有办法可以做到这一点？
根本不需要jQuery。要获取父母的身体对象，您可以执行以下操作：
var parentBody = window.parent.document.body
如果它与您运行代码的iframe位于同一个域，一旦你有可以在该对象上使用普通的javascript：
window.parent.document.getElementById（ContainingiFrame）。style.height = 400像素;
或使用jQuery：
$（＃ContainingiFrame，parentBody）.height（400）;
这里是一篇关于通过示例代码调整iframe中的iframe大小的文章： http://www.pither.com/articles/2010/11/12/ resize-iframe-from-within
而且，根据自己的内容调整iframe大小的相关问题/答案：根据内容调整iframe
I have a page with an iframe that has an html document within it. I need to access the iframe's id from that child document, and am having no luck getting at it with jQuery. The essential structure is this within my page:
<div id="ContainingDiv">
<iframe id="ContainingiFrame">
<html>
<head></head>
<body>
</body>
</html>
</iframe>
</div>
In my javascript method I can get to anything in the <body> tags using jQuery selectors, but cannot retrieve the iframe element in order to resize it. I've tried a few things but am admittedly not an expert in jQuery DOM navigation, particularly where iframes are involved (the iframe is in the same domain as the containing page.) Is there a way I can do this?
No need for jQuery at all. To get the body object of your parent, you can do this:
var parentBody = window.parent.document.body
If it's on the same domain as your iframe that you are running the code from, once you have that, you can use normal javascript on that object:
window.parent.document.getElementById("ContainingiFrame").style.height = "400px";
or with jQuery:
$("#ContainingiFrame", parentBody).height("400");
Here's an article on resizing an iframe from within the iframe with sample code: http://www.pither.com/articles/2010/11/12/resize-iframe-from-within
And, a related question/answer on resizing an iframe based on it's own content: Resizing an iframe based on content
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