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Lodash.assign vs Object.assign
(version: 0)
Measuring approaches performance
Comparing performance of:
Lodash Assing vs Native Assing
Created:
3 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.js"></script>
Script Preparation code:
var person = {name: 'Frederick', lastName: 'Corcino Alejo'};
Tests:
Lodash Assing
_.assign({}, person, {age: 15});
Native Assing
Object.assign({}, person, {age: 15});
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Lodash Assing
Native Assing
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one month ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36 Edg/146.0.0.0
Browser/OS:
Chrome 146 on Mac OS X 10.15.7
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Embed Benchmark Result
Test name
Executions per second
Lodash Assing
9489698.0 Ops/sec
Native Assing
22424864.0 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested in this JavaScript microbenchmark. **Benchmark Definition** The benchmark is comparing two approaches to perform an assignment operation on an object: `Lodash.assign` and `Object.assign`. The script preparation code creates a sample object `person` with some properties, including a nested property `lastName`. **Options Compared** Two options are being compared: 1. **Lodash.assign**: This function is part of the Lodash library, which provides a set of utility functions for JavaScript. 2. **Object.assign**: This is a native JavaScript method that performs an assignment operation on an object. **Pros and Cons of Each Approach** * **Lodash.assign**: + Pros: Can handle nested objects, which can be more convenient than using `Object.assign`. + Cons: Adds extra overhead due to the library's functionality, potentially slowing down performance. * **Object.assign**: + Pros: Native implementation, likely optimized for performance. + Cons: May not work as expected with deeply nested objects or specific data structures. In general, if you need to perform assignment operations on objects and don't care about additional features from Lodash, `Object.assign` might be a better choice. However, if you anticipate working with complex data structures or want the convenience of handling nested objects, `Lodash.assign` could be worth considering. **Library: Lodash** Lodash is a popular JavaScript utility library that provides various functions for tasks such as array manipulation, object creation, and string formatting. In this benchmark, `Lodash.assign` is used to perform an assignment operation on the `person` object. **Special JS Feature or Syntax: None Mentioned** There are no special JavaScript features or syntax being tested in this benchmark. **Other Alternatives** If you're looking for alternative ways to perform assignment operations on objects, you could consider: * Using a different library, such as **Immer**, which provides a more efficient and safe way to update object state. * Utilizing the `Spread operator` (`{ ... }`) or `Rest parameter` syntax (`...object`) to create new objects. * Implementing your own assignment function using JavaScript's built-in methods, like `Object.keys()` and `forEach()`. Keep in mind that these alternatives might have different performance characteristics or trade-offs, depending on the specific use case.
Related benchmarks:
Object.assign vs Lodash.assign
Object.assign vs Lodash.assign (4.17.21)
Object.assign vs Lodash.omit
Lodash.assign vs Object.assign vs spread assign
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