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Switch vs Object Literal - testing with simpler data
(version: 0)
Comparing performance of:
Switch vs Object Literal
Created:
4 years ago
by:
Guest
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Script Preparation code:
var animal = "dog"
Tests:
Switch
function test(animal) { switch(animal){ case 'cat': return 'Kitten' case 'cattle': return 'Calf' case 'cheetah': return 'Cub' case 'dog': return 'Pup' default: return "I don't know that" } } console.log(test(animal))
Object Literal
function test(animal) { var babyAnimal = { cat:'Kitten', cattle:'Calf', cheetah:'Cub', dog:'Pup' } return babyAnimal[animal] ?? "I don't know that" } console.log(test(animal))
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Switch
Object Literal
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
gemma2:9b
, generated one year ago):
This benchmark tests the performance of two different ways to determine the baby name for an animal: using a `switch` statement or an object literal. **Options Compared:** 1. **`switch` statement:** This is a traditional control flow mechanism that evaluates an expression and compares it to a series of `case` values. If a match is found, the corresponding code block is executed. 2. **Object Literal:** This approach uses a JavaScript object where the keys are animal names and the values are the corresponding baby names. **Pros and Cons:** * **`switch`:** * **Pros:** Can be more readable for simple cases with few options. * **Cons:** Can become less readable and harder to maintain as the number of `case` statements grows. Performance can be slightly worse than object literals in some scenarios. * **Object Literal:** * **Pros:** More concise and scalable for larger datasets. Generally performs better than `switch` statements, especially with many cases. * **Cons:** Can be less intuitive for simple cases if the object structure isn't immediately clear. **Alternatives:** Other alternatives to consider: * **Maps:** JavaScript Maps offer a key-value storage mechanism similar to objects but can be more performant in some scenarios, especially with dynamic key additions and lookups. * **Lookup Tables (Arrays):** For smaller datasets, you could use an array of pre-defined pairs (animal, baby name) and iterate through it to find the match. **Additional Considerations:** This benchmark measures execution speed, but other factors might influence your choice: * **Readability and Maintainability:** Choose the approach that is easiest for you and others to understand and modify in the long term. * **Dataset Size:** For large datasets, object literals or Maps are generally more efficient. Let me know if you have any more questions.
Related benchmarks:
Switch vs Object Literal vs If Else vs Map - testing with simpler data
Switch vs Object Literal vs If Else vs Map - testing with simpler data again
Object Literal vs If Else vs Switch Case
Switch vs Object Literal - no console.log
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