Run results for: return vs throw-catch

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:152.0) Gecko/20100101 Firefox/152.0

Browser: Firefox 152

Operating system: Windows

Device Platform: Desktop

Date tested: 2 months ago

return

103.1M/s

throw catch

886K/s

View exact numbers

Test name	Executions per second
✓ return	103,125,592 Ops/sec
throw catch	885,888 Ops/sec

HTML Preparation code:

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

Script Preparation code:

function rtrn(n) {
    switch (n) {
        case 0:
            return 'a';
        case 1:
            return 'b';
        case 2:
            return 'c';
        default:
            return false;
    }
}

function thrw(n) {
    switch (n) {
        case 0:
            return 'a';
        case 1:
            return 'b';
        case 2:
            return 'c';
        default:
            throw new Error();
    }
}

Tests:

return
let values = []; for (let i = 0; i < 4; ++i) { values.push(rtrn(i)); }
throw catch
let values = []; for (let i = 0; i < 4; ++i) { try { values.push(thrw(i)); }catch{ values.push(false); } }