Run results for: Switch vs Object Literal vs If Else vs Map - testing with simpler data

Test name	Executions per second
✓ Switch	153,332 Ops/sec
Object Literal	149,198 Ops/sec
If Else	148,560 Ops/sec
Map	147,969 Ops/sec
Map - defined outsid function	143,990 Ops/sec
Object Literal defined outside function	141,640 Ops/sec

Switch

function test(animal) {
  switch(animal){
   case 'cat': return 'Kitten'
   case 'cattle': return 'Calf'
   case 'cheetah': return 'Cub'
   case 'dog': return 'Pup'
   default: return "I don't know that"
}
}


console.log(test(animal))

Object Literal

function test(animal) {
  var babyAnimal = {
   cat:'Kitten',
   cattle:'Calf',
   cheetah:'Cub',
   dog:'Pup'
}

return babyAnimal[animal] ?? "I don't know that"
}

console.log(test(animal))

If Else

function test(animal) {
  if(animal.toLowerCase()==='cat'){
    return 'Kitten'
} else if(animal.toLowerCase()=='cattle'){
     return 'Calf'
} else if(animal.toLowerCase()==='cheetah'){
     return 'Cub';
} else if(animal.toLowerCase()==='dog'){
     return 'Pup';
}
   return "I don't know that"
}

console.log(test(animal))

Object Literal defined outside function

  var babyAnimal = {
   cat:'Kitten',
   cattle:'Calf',
   cheetah:'Cub',
   dog:'Pup'
}
function test(animal) {
return babyAnimal[animal] ?? "I don't know that"
}

console.log(test(animal))

Map

function test(animal) {
  const map1 = new Map();

  map1.set('cat', 'Kitten');
  map1.set('cattle', 'Calf');
  map1.set('cheetah', 'Cub');
  map1.set('dog', 'Pup');

  return map1.get(animal) || "I don't know that"
}

console.log(test(animal))

Map - defined outsid function

const map1 = new Map();

map1.set('cat', 'Kitten');
map1.set('cattle', 'Calf');
map1.set('cheetah', 'Cub');
map1.set('dog', 'Pup');

function test(animal) {
  return map1.get(animal) || "I don't know that"
}

console.log(test(animal))