##for

const colors = ["red", "yellow", "green"]

for (let i = 0; i < colors.length; i++) {
  console.log(colors[i])
}

##for of

const colors = ["red", "yellow", "green"]

for(color of colors){
	console.log(color)
}

##for in

const colors = { one: "red", two: "yellow", three: "green" }

for (key in colors) {
  console.log(`${key} : ${colors[key]}`)
}

##forEach

const numbers = [1, 2, 3, 4, 5]
let sum = 0

const adder = (number) => (sum += number)
numbers.forEach(adder)
console.log(sum)