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ToLower vs ToUpper w/ Find vs Some
(version: 0)
Comparing performance of:
ToUpper w/ Some vs ToLower w/ Some vs ToLower w/ Find vs ToUpper w/ Find
Created:
4 years ago
by:
Guest
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Script Preparation code:
var data = [] for (let i = 0; i < 5000; ++i) data.push('TOTO') data.push('titi') data.push('TITI') for (let i = 0; i < 2500; ++i) data.push('toto')
Tests:
ToUpper w/ Some
data.some(d => { const trnsfrm = d.toUpperCase(); return trnsfrm === 'tOtO' || trnsfrm === 'ToTo'; })
ToLower w/ Some
data.some(d => { const trnsfrm = d.toLowerCase(); return trnsfrm === 'tOtO' || trnsfrm === 'ToTo'; })
ToLower w/ Find
data.find(d => { const trnsfrm = d.toLowerCase(); return trnsfrm === 'tOtO' || trnsfrm === 'ToTo'; })
ToUpper w/ Find
data.find(d => { const trnsfrm = d.toUpperCase(); return trnsfrm === 'tOtO' || trnsfrm === 'ToTo'; })
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (4)
Previous results
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Test case name
Result
ToUpper w/ Some
ToLower w/ Some
ToLower w/ Find
ToUpper w/ Find
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 consists of four individual test cases, each with its own JavaScript function: 1. `ToLower w/ Some` 2. `ToUpper w/ Some` 3. `ToLower w/ Find` 4. `ToUpper w/ Find` These functions are designed to search for specific strings within an array of data. **Options Compared** The options being compared are the two main methods for searching for a value in an array: 1. **Some**: The `some()` method returns `true` if at least one element in the array satisfies the provided condition. 2. **Find**: The `find()` method returns the first element in the array that satisfies the provided condition, or `-1` if no elements satisfy the condition. **Pros and Cons of Each Approach** Here's a brief summary: * **Some**: + Pros: Can be faster for large arrays since it only needs to check one element. + Cons: May return `true` even if only one element matches, which can lead to incorrect results in some cases. It also returns as soon as the first matching element is found, so the search stops early. * **Find**: + Pros: Returns the exact matched element, making it easier to verify results. However, it may be slower for large arrays since it needs to check every element. + Cons: May return `-1` if no elements satisfy the condition, which can lead to incorrect results. **Library and Syntax** There are no libraries mentioned in the benchmark definition, so all the code is written in plain JavaScript. There are also no special JavaScript features or syntax used beyond what's standard for modern JavaScript (ECMAScript 2015+). **Alternative Approaches** Other approaches could be considered, such as: * Using `indexOf()` or `indexOf() + 1` to find the index of the first matching element and then using `slice()` to extract the element. * Using a custom loop to iterate through the array and manually check each element against the condition. * Using a more efficient algorithm like binary search if the array is sorted. However, for most cases, the standard `some()` and `find()` methods are sufficient and efficient enough.
Related benchmarks:
Some vs Find vs For
ToLower vs ToUpper
some vs find low number of data
Array includes vs some
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