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Array vs If
(version: 0)
Test code
Comparing performance of:
TIme to execute array vs TIme to execute conditinal
Created:
5 years ago
by:
Guest
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Script Preparation code:
const aType = 'pdf'; const bSubtype = 'document'; const arr = [(a,b) => a === aType && b !== bSubtype]; const resultWithArray = arr.some((callback) => callback('pdf', 'image')); const resultWithCondition = 'pdf' === aType && 'image' !== bSubtype;
Tests:
TIme to execute array
const aType = 'pdf'; const bSubtype = 'document'; const arr = [(a,b) => a === aType && b !== bSubtype]; const resultWithArray = arr.some((callback) => callback('pdf', 'image'));
TIme to execute conditinal
const aType = 'pdf'; const bSubtype = 'document'; const resultWithCondition = 'pdf' === aType && 'image' !== bSubtype;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
TIme to execute array
TIme to execute conditinal
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to explain what's being tested in the provided JSON benchmark definition. **Overview** The benchmark is comparing two approaches: using an array of functions (`arr.some`) and using a simple conditional statement (`'pdf' === aType && 'image' !== bSubtype`). **Array vs Conditional Statement** Both tests aim to execute the same logic, but they use different methods to do so. 1. **Array approach**: The test creates an array of functions (`arr`) where each function checks if `a` is equal to `'pdf'` and `b` is not equal to `'document'`. Then, it uses the `some()` method to iterate over this array and execute each function with the arguments `'pdf'` and `'image'`. 2. **Conditional statement approach**: The test uses a simple conditional statement directly in the code, without creating an array of functions. **Pros and Cons** Here are some pros and cons of each approach: **Array Approach** Pros: * Easier to understand and maintain, as it's explicitly clear what's being executed. * Can be more flexible, as you can easily add or remove functions from the array. Cons: * May have a higher overhead due to the iteration over the array using `some()`. * May not be as efficient for large arrays, since each function needs to be called individually. **Conditional Statement Approach** Pros: * Typically faster and more efficient, since it directly executes the logic without any additional iterations. * Can be simpler and more straightforward in some cases. Cons: * Less readable and maintainable, especially for larger or more complex conditions. * May be harder to modify or extend the logic. **Library Usage** In this benchmark, a library is not explicitly mentioned. However, it's worth noting that `some()` is a built-in JavaScript method, so no additional library is required. **Special JS Features or Syntax** The only special feature used here is the `some()` method, which is a part of the ECMAScript standard and widely supported in modern browsers. **Other Alternatives** If you want to explore alternative approaches, here are some options: * Using `for...of` loop instead of `some()`: This could potentially be faster or more efficient than using `some()`. * Using `reduce()` method: Instead of iterating over an array with `some()`, you could use the `reduce()` method to accumulate a result. * Using a custom iterator function: If performance is critical, you could implement a custom iterator function to iterate over the array. Keep in mind that these alternatives may not be relevant for this specific benchmark or use case.
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