why am i getting nan in javascript code example

passing children as element with props react native code example read from line golang code example maven install in mac terminal code example flutter no rotation code example postgrade sql brew install code example convert number to currency in JavaScript code example how to use react-select code example inner classin java code example create table rows from a template sql code example how to setup git config user.email code example bash variable strip off file extension code example nested list html list code example