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(version: 0)
Comparing performance of:
lodash merge vs classiuz merge
Created:
2 years ago
by:
Guest
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HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Tests:
lodash merge
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; var c = _.merge(a, b);
classiuz merge
var a = { a: 'oh', b: 'my' }; var b = { c: 'goddess' }; const mergeObject = (target, source) => { const newSourceEntries = Object.entries(source).map(([key, value]) => { return [key, typeof value === 'object' ? Object.assign({}, target[key], value) : value] }) const newSource = Object.fromEntries(newSourceEntries) return Object.assign({}, target, newSource) } var c = mergeObject(a, b);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
lodash merge
classiuz merge
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. **What is tested?** The provided JSON represents a benchmark test that measures the performance of two different approaches to merging two objects in JavaScript: using the `lodash` library and a custom implementation. **Options compared** There are two options being compared: 1. **Lodash merge**: This approach uses the popular `lodash` library, which provides a robust and efficient way to perform object merges. 2. **Classiuz merge**: This approach uses a custom implementation written in JavaScript, which attempts to outperform Lodash by avoiding the overhead of external libraries. **Pros and cons** * **Lodash merge**: + Pros: Easy to use, well-tested, and widely adopted; provides additional functionality beyond mere object merging. + Cons: Adds an external dependency (the `lodash` library), which may slow down execution or increase bundle size. * **Classiuz merge**: + Pros: May be faster due to the absence of an external dependency, allowing for potentially better caching and optimization. + Cons: Requires custom implementation expertise, and its performance benefits may not materialize in all scenarios. **Library usage** In this benchmark, `lodash` is used as a library. It provides a convenient way to merge objects and offers several features that go beyond basic object merging. The use of an external library can introduce additional overhead, such as bundle size or dependency management complexities. **Special JS feature or syntax (not applicable)** Since neither test case uses special JavaScript features or syntax (e.g., async/await, arrow functions), there's no need to elaborate further on these aspects. **Other alternatives** If you're interested in exploring alternative approaches to object merging, here are a few options: 1. **Spread operator (`...`)**: Modern JavaScript supports the spread operator, which can be used to merge objects: `const merged = { ...a, ...b };` 2. **Object.assign()**: This method can also be used for object merging: `const merged = Object.assign({}, a, b);` 3. **for...in loops and array methods**: You can use a combination of for-in loops and array methods (e.g., `Array.prototype.forEach()`) to achieve similar results. Keep in mind that each approach has its trade-offs, and the best choice depends on your specific requirements and performance constraints. In conclusion, MeasureThat.net's benchmark test provides a useful comparison between two object merging approaches: Lodash and Classiuz. While both options have their pros and cons, the choice ultimately depends on your project's specific needs and performance considerations.
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