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some vs find low number of data
(version: 0)
Comparing performance of:
Find vs Some
Created:
4 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var data = [] for (let i = 0; i < 100; ++i) data.push({ username: 'toto' }) data.push({ username: 'titi', value: 'toto' }) for (let i = 0; i < 100; ++i) data.push({ username: 'toto', value : 'titi' })
Tests:
Find
data.find(e => e.username === 'titi' || e.value === 'toto')
Some
data.some(e => e.username === 'titi' || e.value === 'toto')
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Find
Some
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested. **Benchmark Definition** The benchmark definition is represented by a JSON object containing two properties: `Script Preparation Code` and `Html Preparation Code`. However, in this case, neither of these properties are used. The actual test cases are defined in an array of objects, each containing a `Benchmark Definition` property that specifies the JavaScript code to be executed. In the provided example, there are two test cases: 1. `data.find(e => e.username === 'titi' || e.value === 'toto')` 2. `data.some(e => e.username === 'titi' || e.value === 'toto')` These test cases are comparing the performance of the `find` and `some` methods in the Array prototype. **What's being tested** The benchmark is testing the execution speed of two different array methods: * `Array.prototype.find()`: Returns the first element that satisfies the provided condition. If no elements satisfy the condition, it returns `undefined`. * `Array.prototype.some()`: Returns a boolean indicating whether at least one element in the array satisfies the provided condition. **Options compared** The benchmark is comparing the performance of these two methods under different conditions: * The same condition (`e.username === 'titi' || e.value === 'toto'`) **Pros and Cons** Here's a brief overview of the pros and cons of each method: * `Array.prototype.find()`: + Pros: More accurate, as it returns the first matching element instead of just a boolean. + Cons: Can be slower if no elements match, as it requires iterating over the entire array to find the first match. * `Array.prototype.some()`: + Pros: Faster for large arrays with at least one matching element, as it stops iterating once it finds the first match. + Cons: Returns a boolean result instead of the actual matching element. **Library usage** There is no library usage in this benchmark, as both methods are part of the built-in Array prototype. **Special JS feature or syntax** None of the test cases use any special JavaScript features or syntax. They are using standard ES6 array methods. **Other alternatives** If you wanted to compare the performance of these methods under different conditions, you could modify the benchmark definition to include additional test cases with varying array sizes, element counts, or more complex conditions. For example, you could add a test case that uses an `Array.prototype.filter()` method to remove elements from the array before executing the `find` or `some` method. This would introduce additional variables to control and potentially impact the benchmark results.
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