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<script src='https://cdn.jsdelivr.net/npm/lodash@4.17.10/lodash.min.js'></script>
(version: 0)
Comparing performance of:
Uniq vs Set
Created:
4 years ago
by:
Guest
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Tests:
Uniq
var u = [1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]; return _.uniq(u);
Set
var s = new Set([1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7]); return s;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Uniq
Set
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested in the provided JSON. **What is being tested?** The benchmark measures the performance of two approaches to remove duplicate elements from an array: 1. Using Lodash's `uniq` function 2. Using a built-in JavaScript `Set` object **Options compared** We have two options being compared: * **Lodash's `uniq` function**: This is a utility function that takes an array as input and returns a new array with duplicate elements removed. * **Built-in JavaScript `Set` object**: In JavaScript, sets are data structures that automatically remove duplicates. We can convert an array to a set using the `Set()` constructor. **Pros and cons of each approach** * **Lodash's `uniq` function**: + Pros: - Easy to use: simply pass the array as input. - Well-tested and widely used library. - Cons: - Additional dependency required (Lodash). - May have overhead due to library initialization. * **Built-in JavaScript `Set` object**: + Pros: - No additional dependencies required. - Built-in and optimized for performance. + Cons: - Requires manual array conversion using `Set()`. - May require more expertise in working with sets. **Library usage** The benchmark uses Lodash version 4.17.10, which is a popular and widely-used utility library. The `uniq` function is used to remove duplicate elements from the input array. **Special JS features or syntax** There doesn't seem to be any special JavaScript features or syntax being tested in this benchmark. However, it's worth noting that some browsers may have nuances in handling sets or Lodash functions due to differences in implementation or optimizations. **Other alternatives** If you're interested in exploring alternative approaches, here are a few options: * **Manual array iteration**: You can write your own function to iterate through the input array and remove duplicates using `if` statements. * **Other library functions**: Other libraries like `lodash-es` (a subset of Lodash) or `array-duplicates-remover` may offer alternative solutions. * **Native JavaScript methods**: Some browsers have built-in methods for working with sets, such as `Set.prototype.values()`. Keep in mind that these alternatives may require more expertise and may not be as efficient as the original approaches.
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