higher order function created by balintsera - https://repl.it/Kwbw/1

higher order function.js

var snakify = function(text) {
  return text.replace(/millenials/ig, "Snake People");
};
console.log(snakify("The Millenials are always up to something."));

var hippify = function(text) {
  return text.replace(/baby boomers/ig, "Aging Hippies");
};
console.log(hippify("The Baby Boomers just look the other way."));

// Higher order: function returns function
var attitude = function(original, replacement) {
  return function(source) {
    return source.replace(original, replacement);
  };
};

var snakify = attitude(/millenials/ig, "Snake People");
var hippify = attitude(/baby boomers/ig, "Aging Hippies");

console.log(snakify("The Millenials are always up to something."));
console.log(hippify("The Baby Boomers just look the other way."));

// original: https://www.sitepoint.com/higher-order-functions-javascript/