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Lodash isEqual vs JSON.stringify test with big objects
(version: 0)
Test on isEqual vs JSON.stringify performance
Comparing performance of:
_.isEqual Level 3 vs JSON.stringify Level 3
Created:
3 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>
Script Preparation code:
window.test1 = { "traffic": "POPUP", "targeting": { "BASE": { "adultFilters": [ "ADULT", "NON_ADULT" ], "deviceFilters": { "devices": [ "MOBILE" ], "networks": { "type": "ALL" }, "desktopOses": [], "mobileOses": [ { "os": "ANDROID_PHONE", "version": { "min": "MIN", "max": "MAX" } }, { "os": "IOS_TABLET", "version": { "min": "MIN", "max": "MAX" } }, { "os": "OTHER", "version": { "min": "MIN", "max": "MAX" } }, { "os": "ANDROID_TABLET", "version": { "min": "MIN", "max": "MAX" } }, { "os": "IOS_PHONE", "version": { "min": "MIN", "max": "MAX" } } ], "desktopBrowsers": [], "mobileBrowsers": [ "FACEBOOK", "FIREFOX", "CHROME", "SAFARI", "OPERA", "UC_BROWSER", "ANDROID", "OTHER", "SAMSUNG" ] } }, "GEO": { "country": { "code": "US" } } } } window.test2 = { "traffic": "POPUP", "targeting": { "BASE": { "adultFilters": [ "ADULT", "NON_ADULT" ], "deviceFilters": { "devices": [ "MOBILE" ], "networks": { "type": "ALL" }, "desktopOses": [], "mobileOses": [ { "os": "ANDROID_PHONE", "version": { "min": "MIN", "max": "MAX" } }, { "os": "IOS_TABLET", "version": { "min": "MIN", "max": "MAX" } }, { "os": "OTHER", "version": { "min": "MIN", "max": "MAX" } }, { "os": "ANDROID_TABLET", "version": { "min": "MIN", "max": "MAX" } }, { "os": "IOS_PHONE", "version": { "min": "MIN", "max": "MAX" } } ], "desktopBrowsers": [], "mobileBrowsers": [ "FACEBOOK", "FIREFOX", "CHROME", "SAFARI", "OPERA", "UC_BROWSER", "ANDROID", "OTHER", "SAMSUNG" ] } }, "GEO": { "country": { "code": "US" } } } }
Tests:
_.isEqual Level 3
_.isEqual(window.test1, window.test2)
JSON.stringify Level 3
JSON.stringify(window.test1) === JSON.stringify(window.test2);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
_.isEqual Level 3
JSON.stringify Level 3
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36
Browser/OS:
Chrome 130 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=562671" width="100%" height="500px"></iframe>
Test name
Executions per second
_.isEqual Level 3
184509.9 Ops/sec
JSON.stringify Level 3
444108.4 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks! **Benchmark Definition** The provided JSON represents a benchmarking test case for comparing the performance of two methods: `_.isEqual` from the Lodash library and `JSON.stringify` with a comparison operator (`===`). The test creates two objects, `window.test1` and `window.test2`, which are then compared using these two different approaches. **What's being tested** The benchmark is testing the following: * **`.isEqual` vs. `JSON.stringify`**: This test compares the performance of Lodash's `_.isEqual` function, which checks for deep object equality, against the traditional approach of using `JSON.stringify` with a comparison operator (`===`). The question is: which method is faster and more efficient? **Options compared** The benchmark is comparing two options: 1. **`.isEqual` (Lodash)**: This function checks for deep object equality, taking into account all properties, arrays, and objects. 2. **`JSON.stringify` with `===`**: This approach converts both objects to JSON strings using `JSON.stringify`, and then compares the resulting strings using a strict equality operator (`===`). This method can be slower because it involves converting the objects to strings, which may not be necessary for comparison. **Pros and Cons of each approach** * **`.isEqual (Lodash)`** + Pros: - More efficient than `JSON.stringify` with `===`, as it only checks for deep equality without converting to strings. - Can handle complex object comparisons more effectively, including arrays and objects. + Cons: - May be slower in certain cases where the comparison only requires checking a small subset of properties. * **`JSON.stringify` with `===`** + Pros: - Simple and straightforward implementation. + Cons: - Slower due to the conversion to strings, which may not be necessary for comparison. - May not handle complex object comparisons as effectively as `.isEqual`. **Library used** The benchmark uses the Lodash library (`lodash.min.js`), specifically the `_.isEqual` function. **Special JS feature/syntax** This benchmark does not use any special JavaScript features or syntax. It only relies on standard JavaScript objects and functions. **Alternatives** If you're looking for alternatives to `.isEqual`, you might consider using other deep comparison libraries like `deep-equal` or `fast-deep-equal`. However, the choice of library ultimately depends on your specific use case and performance requirements. Now that we've explored the benchmarking test case, I hope this explanation has provided a solid understanding of what's being tested!
Related benchmarks:
Lodash.isEqual vs JSON.stringify Equality Comparison for Plain Objects
Lodash.isEqual vs JSON.stringify Equality Comparison for Small Objects.
Lodash.isEqual vs JSON.stringify Equality Comparison for Small Objects, with differences.
Lodash.isEqual vs JSON.stringify Equality Comparison for objects
Lodash.isEqual vs JSON.stringify Equality Comparison for 1000 length array
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