Run results for: Switch vs if vs lookup object

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36 Edg/142.0.0.0

Browser: Chrome 142

Operating system: Windows

Device Platform: Desktop

Date tested: 9 months ago

switch

154.0M/s

138.4M/s

lookup with strings

73.9M/s

lookup with number

44.3M/s

lookup in array

41.7M/s

View exact numbers

Test name	Executions per second
✓ switch	153,990,224 Ops/sec
if	138,380,256 Ops/sec
lookup with strings	73,909,264 Ops/sec
lookup with number	44,255,112 Ops/sec
lookup in array	41,711,616 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

const f1 = () => {}
const f2 = () => {}
const f3 = () => {}
const f4 = () => {}
const f5 = () => {}

function getFnIf(level) {
    if (level === "info") return f1;
    else if (level === "warn") return f2;
    else if (level === "error") return f3;
    else if (level === "fatal") return f4;
    else return f5;
}

function getFnSwitch(level) {
    switch (level) {
        case "warn":
            return f1;
        case "info":
            return f2;
        case "error":
            return f3;
        case "fatal":
            return f4;
        default:
            return f5;
    }
}

const lookup = {
    'info': f1,
    'warn': f2,
    'error': f3,
    'fatal': f4
}

function getFnLookupString(level) {
    return lookup[level] || f5
}

const lookupN = {
    '1': f1,
    '2': f2,
    '3': f3,
    '4': f4
}

function getFnLookupN(level) {
    return lookupN[level] || f5
}

const arr = [f1,f2,f3,f4,f5]
function getFnLookupA(level) {
    return arr[level] || f5
}

Tests:

if
getFnIf('info') getFnIf('warn') getFnIf('error') getFnIf('fatal') getFnIf()
switch
getFnSwitch('info') getFnSwitch('warn') getFnSwitch('error') getFnSwitch('fatal') getFnSwitch()
lookup with strings
getFnLookupString('info') getFnLookupString('warn') getFnLookupString('error') getFnLookupString('fatal') getFnLookupString()
lookup with number
getFnLookupN('1') getFnLookupN('2') getFnLookupN('3') getFnLookupN('4') getFnLookupN()
lookup in array
getFnLookupA(0) getFnLookupA(1) getFnLookupA(2) getFnLookupA(3) getFnLookupA()