Here it is:
这里是:
( result.username === user.username ) ? res.status( 500 ).json( "That username is already taken." ) : res.status( 500 ).json( "That email has already been used." )
( result.username === userHere it is:
这里是:
( result.username === user.username ) ? res.status( 500 ).json( "That username is already taken." ) : res.status( 500 ).json( "That email has already been used." )
( result.username === user