namespace AdhocFiltering { let numbers = [ 1 , 2 , 3 , 4 , 5 ] ; let evens = [ ] ; for ( const n of numbers ) { if ( n % 2 == 0 ) { evens . push ( n ) ; } } let strings = [ "apple" , "orange" , "peach" ] ; let length5Strings = [ ] ; for ( const s of strings ) { if ( s . length == 5 ) { length5Strings . push ( s ) ; } } }