How to Use iframe labels that comply with W3C Web page standards _ javascript skills

The use of iframe tags that comply with W3C Web standards the website wants to be revised. There is an advertisement problem. In the past, every time I put an advertisement, I had to update all the articles on the site, this is inconvenient and bad! I have changed some of the previously recommended articles on the website to the ones I have already recommended! It also wastes my time. So I want to use Iframe for implementation, but using iframe directly does not comply with the standard, so how can I use it to comply with W3C standards?

Direct use of "IFRAME" does not comply with "W3C Web page standards"

Use JS to standardize iframe.

1. Create a JS file with the following code:

The Code is as follows:

Function ifr (url, w, h) {document. write ('');}

Save as "ifr. js? 1.1.9"

2. insert code into the webpage

The Code is as follows: