Run results for: Object.values vs for in loop vs for loop v1 borys

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.3 Safari/605.1.15

Browser: Safari 15

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Tests:

mapValues (every item uniq)
const obj = []; for (let i = 0; i <= 10000; i++) { obj.push({ id: i }); }; const mapValues = () => { const inputs = Object.values(obj).map(r => r.id); const hasMulti = _.uniq(inputs).length > 1; return hasMulti; } mapValues();
for loop (every item uniq)
const obj = []; for (let i = 0; i <= 10000; i++) { obj.push({ id: i }); }; const mapFor = () => { var m = new Map(); var values = Object.values(obj); for (let i = 0; i < values.length; i++) { var id = values[i].id; if (m.has(id)) { return true; } m.set(id, 0); }; return false; }; mapFor();
mapValues (all items same)
const obj = []; for (let i = 0; i <= 10000; i++) { obj.push({ id: 1 }); }; const mapValues = () => { const inputs = Object.values(obj).map(r => r.id); const hasMulti = _.uniq(inputs).length > 1; return hasMulti; } mapValues();
for loop (all items same)
const obj = []; for (let i = 0; i <= 10000; i++) { obj.push({ id: 1 }); }; const mapFor = () => { var m = new Map(); var values = Object.values(obj); for (let i = 0; i < values.length; i++) { var id = values[i].id; if (m.has(id)) { return true; } m.set(id, 0); }; return false; }; mapFor();