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field vs property23
(version: 0)
field vs property
Comparing performance of:
lodash vs native
Created:
2 years ago
by:
Guest
Go to the latest result
Script Preparation code:
class MyClass { constructor() { this.field = 1; } set field_value(val) { this.field = val; } get field_value() { return this.field; } } var theInstance = new MyClass();
Tests:
lodash
theInstance.field_value = 1;
native
theInstance.field = 1;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
lodash
native
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Browser/OS:
Chrome 123 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=516193" width="100%" height="500px"></iframe>
lodash
26.0M/s
native
25.9M/s
View exact numbers
Test name
Executions per second
✓
lodash
26,001,262 Ops/sec
native
25,919,864 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'll break down the benchmark definition and test cases to explain what's being tested, compared, and their pros and cons. **Benchmark Definition** The provided JSON defines two benchmark cases: 1. `field vs property23`: * Description: The benchmark compares accessing a field (`this.field`) versus using a property accessor (`this.field_value`) in JavaScript. * Script Preparation Code: A simple class `MyClass` with a constructor, which initializes the `field` property and provides getter and setter methods for it. An instance of this class is created and assigned to `theInstance`. 2. Two test cases: * `lodash`: This benchmark uses the Lodash library to access the `field_value` property. * `native`: This benchmark accesses the `field_value` property using the dot notation, without any additional library. **Options Compared** The two options being compared are: 1. **Lodash**: Using a library like Lodash to access the `field_value` property. 2. **Native Accessor**: Accessing the `field_value` property directly using the dot notation (e.g., `theInstance.field_value`). **Pros and Cons of Each Approach** **Lodash:** Pros: * Provides a convenient and consistent way to access properties across different languages and platforms. * Can be faster due to optimized implementations. Cons: * Adds an additional dependency (the Lodash library) to the benchmark. * May introduce overhead due to function calls and memory allocation. **Native Accessor:** Pros: * Fast and lightweight, as it only requires accessing a property using dot notation. * No dependencies or overhead beyond what's already present in the JavaScript engine. Cons: * May vary in performance across different browsers and platforms, depending on how they implement property access. * Less consistent behavior across languages and platforms compared to Lodash. **Library Usage** The `lodash` library is used in one of the test cases. `Lodash` (a popular utility library for JavaScript) provides a way to access properties using a standardized, functional interface (`get()` method). This can lead to more predictable behavior and improved performance by leveraging optimized implementations. **Special JS Feature/Syntax** There are no special JavaScript features or syntax mentioned in the provided code. The focus is on comparing two different approaches to accessing properties: using Lodash versus native accessor. **Other Alternatives** If you wanted to add another test case, some alternative options could include: * **Using an alternative library**: Instead of Lodash, you might compare a different utility library like `underscore` or `moments`. * **Adding more accessors**: You could test using other types of accessors, such as bracket notation (`theInstance['field_value']`) or `in` operator (`'field_value' in theInstance`). * **Benchmarks for property creation**: You might add benchmarks to compare different approaches to creating properties on an object (e.g., using the dot notation versus using the bracket notation).
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