Run results for: Switch vs if vs lookup object

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
if	146164656.0 Ops/sec
switch	145137392.0 Ops/sec
lookup with strings	71823064.0 Ops/sec
lookup with number	41335268.0 Ops/sec
lookup in array	43572224.0 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()

Run results for: Switch vs if vs lookup object

if

switch

lookup with strings

lookup with number

lookup in array