ParseInt problem

Question

I try to use parseint on a text input. If I put 2 I get 2 that’s correct . If I enter 2W I get 2 instead of NaN . How to proceed?

Answer 1

Thank you all for your answers !
It helps me very much

Answer 2

You can use Number() to get your desired effect.

Answer 3

https://www.sololearn.com/post/115762/?ref=app
https://code.sololearn.com/WKKkpq0efxai/?ref=app