What is <iframe> tag?

Question

Help me to know this question with detail?

Answer 1

Check out the html tutorial.

Answer 2

Questions starting with 'what is' are relatively easy to research yourself, because you already know what's it called.

Using our search bar, searching for 'iframe', I found for example these formerly asked questions with answers:

https://www.sololearn.com/discuss/1074453/?ref=app
https://www.sololearn.com/discuss/1235032/?ref=app
https://www.sololearn.com/discuss/1313215/?ref=app