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(version: 0)
Test on isEqual performance 2
Comparing performance of:
_.isEqual vs JSON.stringify
Created:
4 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.foo = { "x": { "g": [{ "m": 0, "e": [{ "a": 1, "n": false, "c": 8, "v": [ "a", "b", "c", "d", "f", "f" ] }] }], "n": "asd", "m": 0 }, "y": { "s": [ "APPRO", "SCHED" ], "u": [ "NORMAL" ] } }; window.bar = { "y": { "s": [ "APPRO", "SCHED" ] } };
Tests:
_.isEqual
_.isEqual(window.foo, window.bar)
JSON.stringify
JSON.stringify(window.foo) === JSON.stringify(window.bar);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
_.isEqual
JSON.stringify
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested, compared, and considered. **Benchmark Context** The benchmark is designed to test the performance of two JavaScript functions: `_.isEqual` from Lodash and `JSON.stringify`. The tests are run on different devices, browsers, and operating systems, providing a diverse set of results. **Test Case 1: _.isEqual** * **What's being tested**: The speed at which `_.isEqual` compares two objects (`window.foo` and `window.bar`) for equality. * **Comparison options**: + Lodash's `_.isEqual` + Custom implementation (not shown in the benchmark code) * **Pros and Cons**: + Lodash's implementation is likely optimized for performance and handles edge cases, but may be less intuitive to implement manually. + A custom implementation might provide more control over the comparison process, but could also introduce performance overhead. **Test Case 2: JSON.stringify** * **What's being tested**: The speed at which two strings are created using `JSON.stringify` (`window.foo` and `window.bar`). * **Comparison options**: + Lodash's implementation (not shown in the benchmark code) + Custom implementation (not shown in the benchmark code) * **Pros and Cons**: + JSON.stringify is a standard JavaScript function, making it widely supported. + However, its performance might not be optimal for large data sets or complex objects. **Library: Lodash** Lodash is a popular JavaScript utility library that provides various functions for tasks such as string manipulation, array operations, and object comparison. In this benchmark, _.isEqual is used to compare objects for equality. **Special JS feature/syntax: None mentioned** There are no special JavaScript features or syntaxes being tested in this benchmark. **Other alternatives** For testing object comparison, you might consider using other libraries like `JSONCompare` or implementing a custom comparison function. For string manipulation, you could use a library like `js-stringify` or `string-polyfill`. In summary, the benchmark tests the performance of two functions: `_.isEqual` from Lodash and `JSON.stringify`. The comparisons are between objects and strings, respectively. While both functions have their pros and cons, Lodash's implementation is likely optimized for performance and handles edge cases well.
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