Run results for: Switch vs Object Literal1551511551

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36

Browser: Chrome 75

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Switch	180706.4 Ops/sec
Object Literal	158529.2 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]();