Node JS Age Counting Challenge: As per response of get call count the total number of ages who has age value above or equal to 50. Solution: const https = require ( 'https' ); https . get ( 'https://coderbyte.com/api/challenges/json/age-counting' , ( resp ) => { let data = '' resp . on ( 'data' , ( chunk ) => { data += chunk ; }); resp . on ( 'end' , () => { let jsonData = JSON . parse ( data . toString ()); let actualData = jsonData . data ; let arr1 = actualData . split ( ", " ); let totalCount = 0 ; for ( let i = 0 ; i < arr1 . length ; i ++){ let item = arr1 [ i ]; if ( item . indexOf ( 'age=' ) !== - 1 ){ let age = item . split ( '=' ); if ( parseInt ( age [ 1 ]) >= 50 ) { totalCount ++; } } } console . log ( totalCount ); }) }); //O...