Ionic Framework is a mobile app development framework. The apps developed using this framework runs on android, ios and windows. Now you may ask how it works.
The answer is very simple. It’s just an application with a web view or browser. Everything that you write in html and css are displayed in this browser from the very begining. So the user doesn’t notice the browser.
That’s the answer with a little bit more.
Now you may ask, what if I want to use native function in my app?
So, in short the system works as follows: