Run results for: Switch vs Object Literal1551511551

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

Browser: Chrome 70

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Switch	289994.5 Ops/sec
Object Literal	246411.3 Ops/sec

Script Preparation code:

var str = 1;
str = Math.floor(Math.random() * 3);

var objLiteral = {
  0: function() {
    console.log('A');
  },
  1: function() {
    console.log('B');
  },
  2: function() {
    console.log('C');
  }
}

Tests:

Switch
switch (str) { case 0: console.log('A'); break; case 1: console.log('B'); break; case 2: console.log('C'); break; }
Object Literal
objLiteral[str]();