JavaScript achieves highly adaptive iframe

Iframe highly adaptive implementation of the Tutorial at (www.bkjia.com:

Copy to ClipboardReference content: [www.bkjia.com] // adjust the height of PageContent
Function TuneHeight ()
{
Var frm = document. getElementById ("ifrName ");
Var subWeb = document. frames? Document. frames ["ifrName" 2.16.doc ument: frm. contentDocument;
If (frm! = Null & subWeb! = Null)
{Frm. height = subWeb. body. scrollHeight + 100 ;}
}

Use document. getElementById ("ifrName") obtains the iframe tag object, which can be used to obtain attributes of iframe, such as src, frameborder, and style, however, you cannot obtain the objects of the Child pages contained in iframe.

Use document. frames ("ifrName") obtains the iframe component object. Through this object, you can obtain each object of the subpage of the page contained in iframe, such as the window object of the subpage, however, each attribute of the iframe tag cannot be obtained, for example, src mentioned above.