katas/getPlanetName.js at master · 1Maria/katas · GitHub

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function getPlanetName(id){
  var name;
  switch(id){
    case 1:
      name = 'Mercury'
      break;
    case 2:
      name = 'Venus'
      break;
    case 3:
      name = 'Earth'
      break;
    case 4:
      name = 'Mars'
      break;
    case 5:
      name = 'Jupiter'
      break;
    case 6:
      name = 'Saturn'
      break;
    case 7:
      name = 'Uranus'
      break;
    case 8:
      name = 'Neptune'
      break;
  }

  return name;
}

function getPlanetName(id) {
  planets = ["Mercury", "Venus", "Earth", "Mars", "Jupiter", "Saturn", "Uranus", "Neptune"];
  return planets[id-1];
}

function getPlanetName(id) {
  return planets = {
    1: "Mercury",
    2: "Venus",
    3: "Earth",
    4: "Mars",
    5: "Jupiter",
    6: "Saturn",
    7: "Uranus",
    8: "Neptune"
  }[id]
}

getPlanetName(2);