Run results for: switch literals

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36

Browser: Chrome 69

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
switch	36870.8 Ops/sec
literal	32777.5 Ops/sec

Script Preparation code:

var str = 'abcdefghijklmnop';
str = str.charAt(Math.floor(Math.random() * 3));

Tests:

switch
switch (str) { case 'a': console.log('A'); break; case 'b': console.log('B'); break; case 'c': console.log('C'); break; case 'd': console.log('C'); break; case 'e': console.log('d'); break; case 'f': console.log('e'); break; case 'g': console.log('f'); break; case 'h': console.log('g'); break; case 'i': console.log('h'); break; case 'j': console.log('b'); break; case 'l': console.log('c'); break; case 'k': console.log('x'); break; case 'l': console.log('z'); break; case 'm': console.log('w'); break; case 'n': console.log('q'); break; case 'o': console.log('Ce'); break; case 'p': console.log('r'); break; }
literal
var objLiteral = { a: function() { console.log('A'); }, b: function() { console.log('B'); }, c: function() { console.log('C'); }, d: function() { console.log('B'); }, e: function() { console.log('C'); }, f: function() { console.log('B'); }, g: function() { console.log('C'); }, h: function() { console.log('B'); }, i: function() { console.log('C'); }, j: function() { console.log('B'); }, k: function() { console.log('C'); }, l: function() { console.log('C'); }, m: function() { console.log('C'); }, n: function() { console.log('C'); }, o: function() { console.log('C'); }, p: function() { console.log('C'); }, } objLiteral[str]();