How to achieve mutual control of left and right in iframe_html/css_WEB-ITnose

There are n keywords on the left and the iframe is on the right. How to replace the content in the iframe on the right by clicking on the keywords on the left?

Reply to the discussion (solution )

The child iframe page uses parent to call the function of the parent page to control the src of another iframe

Is it a target?

The child iframe page uses parent to call the function of the parent page to control another iframe. An iframe's src
can you tell me in detail?

is the target?
can you tell me in detail? ? ?

Quote from the 1st floor’s reply:

The child iframe page uses parent to call the function of the parent page to control the src of another iframe

Can you give me more details?
Best Here is some code, I just don’t understand it, I am a newbie

http://topic.csdn.net/u/20111115/09/90698459-3a79-4ad3-9b44-2515526573e1.html?29754

In addition, it is best to use server software for debugging, that is, http://localhost/xxx

Keyword 1
Keyword 2