This is Why I Love Fat Arrow Functions in ES6 #3

this_keyword_useful_in_setInterval.js

var Cat = function() {
  this.name = ‘Fluffball’;
  this.emote = ‘meow’;
  setInterval(()=>{
    console.log(this.emote);
  }, 2000)
};

var myNewCat = new Cat(); //meow, meow, meow… every 2 seconds ad infinitum