what is the working of swapData ?
What does let function exactly do?
Inside globalScope
You can start to watch this video from 8:54.
It beautifully explains use of let.
I hope I’ve cleared your doubt. I ask you to please rate your experience here
Your feedback is very important. It helps us improve our platform and hence provide you
the learning experience you deserve.
On the off chance, you still have some questions or not find the answers satisfactory, you may reopen
the doubt.