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Are iframes considered 'bad practice'?
While working with web developers, I always hear from them that using iframes is something we must avoid as we can, and some say it's something bad, annoying and makes a lot of problems.
Also when i told my previous boss "not a developer" one day that i will use iframe, he looked at me as a bad developer :)
What i want to know, does iframes have a very bad history with web development?
Is it a disaster?
In some cases I see that it's a must to use iframes, is saying that means I am a bad developer?
Or all of that because of it's hard to deal with because of some security issues we must take care about while developing?
Please list your points if you hate it too or correct me if I am thinking the wrong way.