Help me to short my js coding.

Question

In this coding I have used a long coding only for mobile validation and I want to such as features for other input fields so js coding would be very long. I want to get solution for this.

Answer 1

What? Can you either:
- share your code and what are you trying to do
- construct your question properly?
No clue what you wanna do.

Answer 2

oh sorry, I forgot to mention coding that is

https://code.sololearn.com/W84D9fSyqBV7/?ref=app