Run results for: Switch vs map with string keys and early exit 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.151 Safari/537.36

Browser: Chrome 88

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Switch	6237414.5 Ops/sec
Map	6230045.0 Ops/sec

Script Preparation code:

var runSwitch = input =>   {
  switch(input) {
    case 'one':
      return true;
    case 'two':
      return true;
    case 'three':
      return true;
    case 'four':
      return true;
     case 'five':
      return true;
    case 'six':
      return true;
    case 'seven':
      return true;
    case 'eight':
      return true;
      case 'nine':
      return true;
    case 'ten':
      return true;
  }
}

var LUT = {
	zero: true,
  one: true,
  two: true,
  three: true,
  four: true,
  five: true,
  six: true,
  seven: true,
  eight: true,
  nine: true,
  ten: true
}

var input = 'one';

Tests:

Switch
runSwitch(input);
Map
LUT[input];

Run results for: Switch vs map with string keys and early exit 2

Switch

Map