closures3.js

function makeEventDescriber(event, date) {
  return function() {
    console.log(date + ": " + event);
  };
}

var coffeeWithAda = makeEventDescriber("Coffee with Ada.", "8/1/2018");
var partyAtCharles = makeEventDescriber("Party at Charles' house.", "8/4/2018");

coffeeWithAda();          // Logs: "8/1/2018: Coffee with Ada."
partyAtCharles();         // Logs: "8/4/2018: Party at Charles' house."