For Loops

// Standard for loop
// Do this thing 10 times
for (var i = 0; i < 10; i++) {
  console.log(i)
}

// for/in loop
// Used to loop through objects
const friends = {'name': 'Matt', 'name':'Cody', 'name':'Anthony'}
for (friendName in friends) {
  console.log(friendName)
}

// ES6 for/of
// Used to loop over any data structure with length
const faces = "🤠🙃😎";
for (face of faces) {
  console.log(faces)
}

const bowies = ["👩‍🎤", "👨‍🎤"];
for (bowie of bowies) {
  console.log(bowie)
}

$ node jsbyexample.js
0
1
2
3
4
5
6
7
8
9
Cody
28
Louisville, KY
🤠🙃😎
🤠🙃😎
🤠🙃😎
👩‍🎤
👨‍🎤