how to handle iframes fail to load

Question

how to handle failed pages loaded in the iframe by displaying an error message or hiding the url loaded in the iframe or in essence the user cannot see the url of the iframe page, for example run my code below offline
https://code.sololearn.com/WkwpKPgViOMe/?ref=app

Answer 1

There is no way to test for an error within an iframe.

Answer 2

Ore Adeleye yes, it works but when left in a few seconds the online state closes on its own, do you also experience it or just me

Answer 3

Calviղ is there any other way besides using iframe?

Answer 4

You can. See this
https://code.sololearn.com/WDt89r2nBPo1/?ref=app

Answer 5

Ore Adeleye thank you for your code but I open it offline still shows success

Answer 6

Avirur Rahman I've edited it. Check now. It works on my device. I am using sololearn app playground
https://code.sololearn.com/WDt89r2nBPo1/?ref=app

Answer 7

Avirur Rahman That's a really weird bug. I don't know why that happens. I tried the code in firefox and it worked smoothly but does not work on sololearn

Answer 8

Ore Adeleye I tried it on my computer but it still doesn't work, I use the Chrome browser and Opera

Answer 9

Avirur Rahman I saw this on stack overflow
https://stackoverflow.com/questions/9249680/how-to-check-if-iframe-is-loaded-or-it-has-a-content

I think this should work