Run results for: Jump vs switch case vs else if for non-integers

Test name	Executions per second
✓ jump hash map object	1,108 Ops/sec
switch case	925 Ops/sec
else if	803 Ops/sec
jump map instance	791 Ops/sec

switch case

function thing(j)
{
  switch(j)
  {
    case '0':
      return "zero";
    case '1':
      return "one";
    case '2':
      return "two";
    case '3':
      return "three";
    case '4':
      return "four";
    case '5':
      return "five";
    case '6':
      return "six";
    case '7':
      return "seven";
    case '8':
      return "eight";
    case '9':
      return "nine";
  }
}

for(let i = 0; i < 100000; i++)
{
  thing((i % 10).toString());
}

jump hash map object

function zero()
{
  return "zero";
}

function one()
{
  return "one";
}

function two()
{
  return "two";
}

function three()
{
  return "three";
}

function four()
{
  return "four";
}

function five()
{
  return "five";
}

function six()
{
  return "six";
}

function seven()
{
  return "seven";
}

function eight()
{
  return "eight";
}

function nine()
{
  return "nine";
}

let jumpMap = {
  '0': zero,
  '1': one,
  '2': two,
  '3': three,
  '4': four,
  '5': five,
  '6': six,
  '7': seven,
  '8': eight,
  '9': nine
};



for(let i = 0; i < 100000; i++)
{
  jumpMap[(i % 10).toString()]();
}

jump map instance

function zero()
{
  return "zero";
}

function one()
{
  return "one";
}

function two()
{
  return "two";
}

function three()
{
  return "three";
}

function four()
{
  return "four";
}

function five()
{
  return "five";
}

function six()
{
  return "six";
}

function seven()
{
  return "seven";
}

function eight()
{
  return "eight";
}

function nine()
{
  return "nine";
}

let jumpMap = new Map();

jumpMap.set('0', zero)
jumpMap.set('1', one)
jumpMap.set('2', two)
jumpMap.set('3', three)
jumpMap.set('4', four)
jumpMap.set('5', five)
jumpMap.set('6', six)
jumpMap.set('7', seven)
jumpMap.set('8', eight)
jumpMap.set('9', nine)

for(let i = 0; i < 100000; i++)
{
  jumpMap.get((i % 10).toString())();
}

else if

function thing(j)
{
  if (j === '0') {
    return 'zero';
  } else if (j === '1') {
    return 'one'; 
  } else if (j === '2') {
    return 'two'; 
  } else if (j === '3') {
    return 'three'; 
  } else if (j === '4') {
    return 'four';
  } else if (j === '5') {
    return 'five';
  } else if (j === '6') {
    return 'six';
  } else if (j === '7') {
    return 'seven';
  } else if (j === '8') {
    return 'eight'; 
  } else if (j === '9') {
    return 'nine'; 
  }
}

for(let i = 0; i < 100000; i++)
{
  thing((i % 10).toString());
}

Run results for: Jump vs switch case vs else if for non-integers

Using a jump hash map vs switch / case vs else if for non-integer values

switch case

jump hash map object

jump map instance

else if