Required and toolstip

Question

how to create required and toolstip function using bosstrap library and use he for input :
1. only number ( 12 digits )
2. Email
when the user inputing, in real time condition number has not been up to 12 digits then button submit disable.

help me..
https://code.sololearn.com/Wxy1OXT3EvBn/?ref=app
https://code.sololearn.com/Wxy1OXT3EvBn/?ref=app

Answer 1

up