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tetetertete
(version: 0)
Comparing performance of:
Native vs Lodash Map
Created:
4 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>
Tests:
Native
const OBJECTIVES = { "BRAND_AWARENESS": { title: 'Brand awareness', description: 'Show your ads to people who are most likely to remember them.', }, "REACH": { title: 'Reach', description: 'Show your ads to the maximum number of people.', }, "POST_ENGAGEMENT": { title: 'Engagement', description: 'Get more Page likes, event responses, or post reacts, comments or shares.', }, "LEAD_GENERATION": { title: 'Lead Generation', description: 'Collect leads for your business or brand.', }, }; const OBJECTIVES_MAP = Object.entries(OBJECTIVES).map(([id, obj]) => ({ id, ...obj }));
Lodash Map
const OBJECTIVES = { "BRAND_AWARENESS": { title: 'Brand awareness', description: 'Show your ads to people who are most likely to remember them.', }, "REACH": { title: 'Reach', description: 'Show your ads to the maximum number of people.', }, "POST_ENGAGEMENT": { title: 'Engagement', description: 'Get more Page likes, event responses, or post reacts, comments or shares.', }, "LEAD_GENERATION": { title: 'Lead Generation', description: 'Collect leads for your business or brand.', }, }; const OBJECTIVES_MAP = _.map(OBJECTIVES, (value, id) => ({id, ...value}))
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Native
Lodash Map
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Overview of the Benchmark** The provided JSON represents a JavaScript microbenchmarking test created on MeasureThat.net. The benchmark compares two approaches for iterating over an object in JavaScript: a native approach and a approach using the Lodash library. **Benchmark Definition** The benchmark definition includes: 1. A script preparation code, which is empty in this case. 2. An HTML preparation code that includes a reference to the Lodash JavaScript library (version 4.17.5). 3. Two test cases: * "Native" benchmark, which tests the native JavaScript approach for iterating over an object. * "Lodash Map" benchmark, which tests the Lodash library's `map` function for iterating over an object. **Test Cases** 1. **Native Benchmark**: This test case uses the built-in JavaScript `for...in` loop or the `forEach` method to iterate over the `OBJECTIVES_MAP` array. * The purpose of this benchmark is to measure the performance of the native JavaScript approach for iterating over an object. 2. **Lodash Map Benchmark**: This test case uses the Lodash library's `map` function to iterate over the `OBJECTIVES` object and create a new array (`OBJECTIVES_MAP`). * The purpose of this benchmark is to measure the performance of using the Lodash library for iterating over an object. **Options Compared** The two test cases compare: 1. **Native JavaScript Approach**: This approach uses built-in JavaScript methods (e.g., `for...in`, `forEach`) to iterate over an object. 2. **Lodash Library's Map Function**: This approach uses the Lodash library's `map` function to transform an object into a new array. **Pros and Cons of Each Approach** 1. **Native JavaScript Approach** * Pros: + Lightweight and efficient, with no additional dependencies. + Can be optimized for specific use cases (e.g., iterating over objects). * Cons: + May require more code to achieve the same result as Lodash's `map` function. 2. **Lodash Library's Map Function** * Pros: + Provides a convenient and well-tested way to perform common data transformations. + Can be used for other purposes beyond iterating over objects (e.g., filtering, reducing). * Cons: + Adds an additional dependency (the Lodash library) and may increase the overall size of the application. **Special JS Features or Syntax** None mentioned in this benchmark. **Other Considerations** When choosing between these two approaches, consider the following factors: 1. **Performance**: Native JavaScript approach might be faster for small to medium-sized iterations, while Lodash's `map` function might be slower due to the additional overhead of the library. 2. **Readability and Maintainability**: Native JavaScript approach might require more code to achieve the same result as Lodash's `map` function, which can make it harder to read and maintain. 3. **Reusability**: Lodash's `map` function can be reused for other purposes beyond iterating over objects, making it a more general-purpose solution. **Alternatives** Other alternatives for iterating over an object in JavaScript include: 1. **Array.prototype.forEach()**: A built-in method that iterates over an array. 2. **Array.prototype.reduce()**: A built-in method that reduces an array to a single value. 3. **Underscore.js functions**: Other utility functions from the Underscore.js library (e.g., `forEach`, `map`, `reduce`) can be used for iterating over objects. Note: MeasureThat.net provides a wide range of benchmarks and test cases, allowing users to compare different approaches and choose the best one for their specific use case.
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