Lógica de Programação 2020 - Aula 05

example-1.js

function sum (a, b) {
  return a + b
}

let result = sum(2, 2)
console.log(result)

example-2.js

function welcomeMessage (hour) {
  if (hour < 12) {
    console.log('Good morning')
  } else if (hour >= 12 && hour <= 17) {
    console.log('Good afternoon')
  } else if (hour > 17) {
    console.log('Good night')
  }
}

welcomeMessage(10) // will print "Good morning"
welcomeMessage(15) // will print "Good afternoon"
welcomeMessage(21) // will print "Good night"

example-3.js

Math.pow(2, 3) // base 2, exponent 3. Same as 2³
Math.random()

example-4.js

function factorial (number) {
  if (number <= 1) {
    return 1
  } else {
    return number * factorial(number - 1)
  }
}