JS: Array Map Method Example

example2.js

var forecast = [
  { day: "Monday", sun: true, humidity: 10 },
  { day: "Tuesday", sun: false, humidity: 100 },
  { day: "Wednesday", sun: false, humidity: 100 },
  { day: "Thursday", sun: true, humidity: 25 },
  { day: "Friday", sun: false, humidity: 100 },
  { day: "Saturday", sun: true, humidity: 15 },
  { day: "Sunday", sun: false, humidity: 100 }
];

var humidity = forecast.map(function(day) {
  return day.humidity;
});