Benchmark: Evaluate Destructuring vs Assignment3

Tests:

Destructuring
var list = []; for (let i = 0; i < 10; ++i) { const type = i % 2 === 1 ? 'cases' : 'non-case'; const newObj = { test: 'destructoring vs assigment', ...(type === 'cases' && {name}) } list.push(newObj); }
Assigment
var list = []; for (let i = 0; i < 10; ++i) { const type = i % 2 === 1 ? 'cases' : 'non-case'; const newObj = { test: 'destructoring vs assigment', name: type === 'cases' ? name: undefined, } list.push(newObj); }
Assignment (alternative)
var list = []; for (let i = 0; i < 10; ++i) { const type = i % 2 === 1 ? 'cases' : 'non-case'; const newObj = { test: 'destructoring vs assigment', } if (type === 'cases') newObj.name = name; list.push(newObj); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Destructuring
Assigment
Assignment (alternative)

Fastest: N/A

Slowest: N/A

Latest run results:

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

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Let's break down the benchmark and explain what's being tested.

**Benchmark Definition**

The benchmark is defined by a JSON object with three properties:

* `Name`: A unique name for the benchmark, which is "Evaluate Destructuring vs Assignment3".
* `Description`: An empty string indicating that there is no description for this benchmark.
* `Script Preparation Code` and `Html Preparation Code`: Empty strings indicating that no preparation code is required.

**Test Cases**

The benchmark consists of three individual test cases:

1. **Destructuring**: This test case uses destructuring assignment to assign a value to an object's property. The script creates an array of objects, where each object has a `test` property set to "destructoring vs assigment". For even-indexed elements (0, 2, 4, ...), the object also has a `name` property set using destructuring assignment.
2. **Assignment**: This test case uses regular assignment to assign a value to an object's property. The script creates an array of objects, where each object has a `test` property set to "destructoring vs assigment". For even-indexed elements (0, 2, 4, ...), the object also has a `name` property set using regular assignment.
3. **Assignment (alternative)**: This test case is similar to the previous one but uses an alternative approach where the `name` property is only assigned if the element is a "case" (i.e., its index is even).

**Libraries and Features**

None of the test cases use any external libraries or special JavaScript features. They are basic examples that demonstrate the difference between destructuring assignment and regular assignment.

**Options Compared**

The three test cases compare the performance of three different approaches:

1. Destructuring assignment
2. Regular assignment
3. Alternative assignment (with conditional expression)

**Pros and Cons of Each Approach**

* **Destructuring Assignment**: Pros:
	+ Can be more concise and readable.
	+ Can avoid explicit property assignments.
Cons:
	+ May have performance overhead due to the need for dynamic property access.
* **Regular Assignment**: Pros:
	+ Typically has better performance than destructuring assignment.
	+ Does not require dynamic property access.
Cons:
	+ Can be less concise and more verbose.
* **Alternative Assignment (with Conditional Expression)**: Pros:
	+ Combines the benefits of regular assignment with the flexibility of conditional expressions.
Cons:
	+ May have performance overhead due to the need for dynamic property access and conditional evaluation.

**Other Considerations**

The benchmark is likely testing the performance of these different approaches in a general-purpose JavaScript engine. The results can be used to compare the performance of these approaches across different browsers, engines, or use cases.

**Alternatives**

If you're looking for alternative benchmarks or test cases, here are a few options:

* **Benchmark.js**: A popular benchmarking framework for Node.js and browser-based applications.
* **js-bench**: A simple benchmarking framework for JavaScript that can be used to compare the performance of different approaches.
* **Microbenchmarking frameworks likeBenchmark.js or jsperf**: Can be used to create custom benchmarks and test cases.

Related benchmarks:

Evaluate Destructuring vs Assignment3 (version: 0)

Comparing performance of: Destructuring vs Assigment vs Assignment (alternative)

Created: 4 years ago by: Guest

Jump to the latest result

Destructuring

Assigment

Assignment (alternative)

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):