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circleTest
(version: 0)
test
Comparing performance of:
lodash vs native
Created:
7 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Script Preparation code:
var value = [1,2,3,4,5,6]
Tests:
lodash
_.keys(value)
native
Object.keys(value)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
lodash
native
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll explain the benchmark in detail, highlighting what's being tested, compared, and other considerations. **Benchmark Overview** MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided benchmark definition is used to test the performance of two approaches: native (using built-in methods) and lodash (using the popular utility library). **Test Cases** The benchmark consists of two individual test cases: 1. **native**: Tests the `Object.keys()` method, which returns an array of strings representing the property names of a given object. 2. **lodash**: Tests the `_keys()` function from the Lodash library, which is a higher-order function that takes an object as an argument and returns an array of its keys. **Script Preparation Code** The script preparation code is `var value = [1,2,3,4,5,6]`, which creates an array with 6 elements. This array will be used to test the performance of both approaches. **Html Preparation Code** The html preparation code includes a link to the Lodash library: `<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>`. This is necessary because the `_keys()` function relies on the Lodash library. **Options Compared** The two approaches are compared in terms of their performance, specifically: * **Native (Object.keys())**: Uses built-in JavaScript methods to get the property names of an object. * **Lodash (_keys())**: Uses a higher-order function from the Lodash library to achieve the same result. **Pros and Cons of Each Approach** 1. **Native (Object.keys())**: * Pros: + Faster execution, as it uses built-in methods that are optimized for performance. + More intuitive and straightforward code. * Cons: + May not work correctly in certain environments or with specific data structures. 2. **Lodash (_keys())**: * Pros: + More flexible and robust, as it can handle complex data structures and edge cases. + Can be useful when working with large datasets or performing frequent key lookups. * Cons: + Slower execution due to the overhead of the higher-order function. + Additional dependencies (Lodash library) that may introduce security risks if not properly managed. **Library: Lodash** Lodash is a popular utility library for JavaScript that provides a wide range of functions for tasks such as array manipulation, object transformation, and more. The `_keys()` function is one of the many useful tools provided by Lodash, making it easier to work with objects and arrays in JavaScript. **Special JS Feature: None** There are no special JavaScript features or syntax used in this benchmark. **Other Alternatives** If you're interested in exploring other approaches for getting property names from an object, some alternatives include: * Using `for...in` loops to iterate over the properties of an object. * Utilizing libraries like Underscore.js (similar to Lodash) or other utility libraries that provide similar functionality. Keep in mind that each approach has its own trade-offs and considerations. The native method is often preferred for performance-critical code, while the lodash approach may be more suitable for situations where robustness and flexibility are essential.
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