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toPairs, entries
(version: 0)
lodash
Comparing performance of:
entries vs toPairs vs Pure Javascript
Created:
5 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:
entries
const objecT = { a: "A", b: "B", c: "C" } const arraY = _.entries(objecT);
toPairs
const objecT = { a: "A", b: "B", c: "C" } const arraY = _.toPairs(objecT);
Pure Javascript
const objecT = { a: "A", b: "B", c: "C" } const arraY = Object.entries(objecT);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
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Test case name
Result
entries
toPairs
Pure Javascript
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the benchmark and explain what's being tested, compared, and considered. **Benchmark Overview** The test measures the performance of three approaches to convert an object into an array of key-value pairs: 1. `_.toPairs` (using Lodash library) 2. `Object.entries` (pure JavaScript) **Lodash Library** Lodash is a popular JavaScript utility library that provides various functions for tasks like array manipulation, object transformation, and more. The `.toPairs` function in particular converts an object into an array of key-value pairs. **Pure JavaScript Approach** The pure JavaScript approach uses the `Object.entries()` method to convert an object into an array of key-value pairs. **Comparison of Approaches** Here's a brief comparison of the three approaches: 1. **_.toPairs (Lodash)**: * Pros: Typically faster and more efficient than pure JavaScript implementations, especially for large objects. * Cons: Requires including the Lodash library, which may add unnecessary overhead for some use cases. 2. **Object.entries (Pure JavaScript)**: * Pros: Fast, lightweight, and doesn't require any additional libraries. * Cons: May be slower than the Lodash approach for very large objects. **Other Considerations** When choosing between these approaches, consider the following: * If you need to perform complex object transformations or manipulations, Lodash might be a better choice due to its comprehensive feature set. * For simple key-value pair conversion, pure JavaScript might be sufficient and more efficient. **Special JS Feature/Syntax (None)** There are no special JavaScript features or syntax used in this benchmark that would require additional explanation. **Other Alternatives** If you're looking for alternative approaches to convert an object into an array of key-value pairs, consider: 1. `Object.keys()`: Returns an array of a given object's own enumerable property names. 2. `Array.prototype.map()` with `Object.keys()` and indexing: Converts an object into an array by mapping each property name to its corresponding value using the `Object.keys()` method. Keep in mind that these alternatives might not be as efficient as the Lodash or pure JavaScript approaches, but they can be viable options for specific use cases.
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