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Some vs Find2
(version: 0)
Comparing performance of:
Find vs Some
Created:
one year ago
by:
Guest
Go to the latest result
Script Preparation code:
var data = [] for (let i = 0; i < 100; ++i) data.push({ username: 'toto' }) for (let i = 0; i < 10; ++i) data.push({ username: 'titi' }) for (let i = 0; i < 100; ++i) data.push({ username: 'toto' })
Tests:
Find
data.find(e => e.username === 'titi')
Some
data.some(e => e.username === 'titi')
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
Find
Some
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0
Browser/OS:
Firefox 130 on Ubuntu
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=557806" width="100%" height="500px"></iframe>
Find
2.7M/s
Some
2.4M/s
View exact numbers
Test name
Executions per second
✓
Find
2,678,966 Ops/sec
Some
2,360,549 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the provided JSON and explain what's being tested, compared, and other considerations. **Benchmark Definition** The benchmark is created by defining two test cases: `Find` and `Some`. The `Script Preparation Code` generates an array of objects with different usernames (`toto`, `titi`) to be used for testing. There is no HTML preparation code provided. **What's being tested?** The two test cases are comparing the performance of `Array.prototype.find()` and `Array.prototype.some()` methods, respectively. * **`Find()`**: This method returns the first element in an array that satisfies a condition. In this case, it will return the first object with `username === 'titi'`. * **`Some()`**: This method returns `true` if at least one element in an array satisfies a condition. It will return `true` as soon as it finds an object with `username === 'titi'`. **Comparison of options** The comparison is between these two methods: | Method | Condition | |---------------|-------------------------| | `Find()` | Returns the first element that meets the condition | | `Some()` | Returns true if at least one element meets the condition | Pros and Cons: * **`Find()`**: * Pros: Efficient for finding a single matching element. Can be used when you're sure there's only one match. * Cons: Can return `undefined` if no elements match, which might lead to errors in some cases. * **`Some()`**: * Pros: More flexible and efficient than checking every element individually using a loop. Returns as soon as it finds a match. * Cons: May return true even if there are no matches, which can be misleading depending on the context. **Library usage** There is no explicit library used in this benchmark. However, `Array.prototype.find()` and `Array.prototype.some()` are built-in JavaScript methods that work on arrays. **Special JS feature or syntax** This benchmark does not include any special JavaScript features or syntax beyond what's required for these two methods to work (i.e., JavaScript 5.x or later). **Other alternatives** Alternatives to using `find()` and `some()` could be: * Looping through the array manually: ```javascript for (let i = 0; i < data.length; i++) { if (data[i].username === 'titi') { // found a match, exit loop or process further } } ``` * Using `Array.prototype.every()` to check for no matches and then negate the result: ```javascript !data.some(e => e.username === 'titi') ``` Keep in mind that these alternatives are generally less efficient than using built-in methods like `find()` and `some()`.
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