Run results for: Object.values vs Reduce vs for...in Loop (largeObj)

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/60.0

Browser: Firefox 60

Operating system: Linux

Device Platform: Desktop

Date tested: 4 years ago

Script Preparation code:

window.largeObj = {};
for(i=0; i<1000000; i++){window.largeObj[i.toString()] = i}

Tests:

Object.values
return Object.values(window.largeObj);
Keys, Reduce
return Object.keys(window.largeObj).reduce((prev, key) => { prev.push(window.largeObj[key]); return prev; },[]);
for in Loop
const arr = []; for (let prop in window.largeObj) { arr.push(window.largeObj[prop]) } return arr;