Run results for: Find Keys by loop or JSON stringify

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser: Chrome 136

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

using loop

1.7M/s

using JSON stringify

1.0M/s

View exact numbers

Test name	Executions per second
✓ using loop	1,738,437 Ops/sec
using JSON stringify	1,048,875 Ops/sec

Script Preparation code:

var testObject = {};
testObject.eligibilityGroupDates = [{
    "id": "8c7969fd-56db-4ed8-9eec-5604c3dceef7",
    "o2eStartDate": "scrub1",
    "numOfDaysToCalO2EStartDate": null,
    "numberOfDaysToEnroll": 99,
    "eligibilityGroups": ["f32e6a9f-4a4b-4531-af8f-4e4ee0798e91"],
    "links": []
}, {
    "id": "7dc6052d-7ede-452a-8425-604c24c3d561",
    "o2eStartDate": "scrub2",
    "numOfDaysToCalO2EStartDate": 58,
    "numberOfDaysToEnroll": 95,
    "eligibilityGroups": ["f9987b9a-f45a-4131-8528-47242023483e"],
    "links": []
}, {
    "id": "af886791-fb79-4d28-921c-539cdaadae79",
    "o2eStartDate": "scrub2",
    "numOfDaysToCalO2EStartDate": null,
    "numberOfDaysToEnroll": 30,
    "eligibilityGroups": ["927a5c93-368c-4a82-a6d3-99e656624978"],
    "links": []
}];

Tests:

using loop
if (_.has(testObject, 'eligibilityGroupDates')) { testObject.eligibilityGroupDates.forEach(entry => { Object.keys(entry).forEach(key => { switch (key) { case 'eligibilityGroupDates': _.set(testObject, 'displayEligibilityGroupDates', true); break; case 'o2eStartDate': _.set(testObject, 'displayO2eStartDate', true); break; case 'numOfDaysToCalO2EStartDate': _.set(testObject, 'displayNumOfDaysToCalO2EStartDate', true); break; case 'numberOfDaysToEnroll': _.set(testObject, 'displayNumberOfDaysToEnroll', true); break; default: break; } }); }); }
using JSON stringify
if (_.has(testObject, 'eligibilityGroupDates')) { let value = JSON.stringify(testObject.eligibilityGroupDates); if (value.indexOf('eligibilityGroups') > 0) { _.set(testObject, 'eligibilityGroups', true); } if (value.indexOf('o2eStartDate') > 0) { _.set(testObject, 'displayO2eStartDate', true); } if (value.indexOf('numOfDaysToCalO2EStartDate') > 0) { _.set(testObject, 'displayNumOfDaysToCalO2EStartDate', true); } if (value.indexOf('numberOfDaysToEnroll') > 0) { _.set(testObject, 'displayNumberOfDaysToEnroll', true); } }