Run results for: forIn vs forOfEntries

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0

Browser: Firefox 59

Operating system: Windows

Device Platform: Other

Date tested: 5 years ago

HTML Preparation code:

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

Tests:

forIn
const obj = {a: 'a', b: 'b', c: 'c', d: 'd', e: 'e', f: 'f', g: 'g', h: 'h', i: 'i', j: 'j'}; for (let i = 0; i < 1000; i++) _.forIn(obj, (val, key) => { console.log(val, key); });
forOfEntries
const obj = {a: 'a', b: 'b', c: 'c', d: 'd', e: 'e', f: 'f', g: 'g', h: 'h', i: 'i', j: 'j'}; for (let i = 0; i < 1000; i++) { const entries = Object.entries(obj); for ([key, val] of entries) { console.log(val, key); } }
forInEntries
const obj = {a: 'a', b: 'b', c: 'c', d: 'd', e: 'e', f: 'f', g: 'g', h: 'h', i: 'i', j: 'j'}; for (let i = 0; i < 1000; i++) { const entries = Object.entries(obj); for ([key, val] in entries) { console.log(val, key); } }