Native JS gets the DOM element in the IFRAME--the way a parent-child page acquires each other's DOM elements _javascript tips

Source: Internet
Author: User

With the original JS in the parent page to get the elements of the IFRAME, as well as in the child page to get the parent page elements, this is often used in the method, here to write an example to sum up:

1, the parent page (demo.html), the parent page to modify the child page div background color is gray, the original is red:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
 
 

2, sub-page (demo-iframe.html), the child page to modify the parent page div font color is red, originally black:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
 
 


3, the effect chart:

(1) does not add JS when the effect chart:


(2) Add JS after the effect diagram:

Above this native JS gets the DOM element in the IFRAME--the way that the parent-child page Gets the other DOM elements from each other is a small series to share all the content, hope to give you a reference, but also hope that we support cloud habitat community.

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