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Run results for:
Object.keys vs lodash _.keys
Also checking the .map method on the returned array.
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=491303" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_1_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.1.2 Mobile/15E148 Safari/604.1
Browser:
Mobile Safari 17
Operating system:
iOS 17.1.2
Device Platform:
Mobile
Date tested:
2 years ago
Test name
Executions per second
_.keys with map
326776.0 Ops/sec
native with map
326928.2 Ops/sec
native with forEach
311067.1 Ops/sec
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/lodash/4.16.0/lodash.min.js"></script>
Script Preparation code:
var value = {a: 30310, b: '100303', c: '3040494'}
Tests:
_.keys with map
_.keys(value).map( function(key){ return {value: _.camelCase(key), label: _.startCase(key)}} )
native with map
Object.keys(value).map( function(key){ return {value: _.camelCase(key), label: _.startCase(key)}} )
native with forEach
var arr = [] Object.keys(value).forEach( function(key){ return arr.push({value: _.camelCase(key), label: _.startCase(key)}) } )