All the code of the page is here. CSS and JS files are not introduced, but it is effective. Now I need to use another page to do it. I can’t just test the code directly.
Reply to the discussion (solution)
Please check carefully to see if there is any No content is introduced
Check carefully to see if there is any content
I found the problem. It turns out that it is introduced on the home page of the frame, which is the page outside the iframe. JS and CSS, just copy them over and it’s OK
Check carefully to see if there is any imported content
The problem is found, it turns out that it is The homepage of the frame, that is, the JS and CSS introduced by the page outside the iframe, just copy them over and it will be OK
Good, very good, very good! ! !