Benchmark: objvsarrayfr - MeasureThat.net

Script Preparation code:

var user = [{id: '1001', name: 'Octavio', age: 46},{id: '2020', name: 'Mara', age: 39},{id: '3456', name: 'Alanis', age: 12},{id: '9876', name: 'Alondra', age: 10},{id: '6589', name: 'Ariana', age: 7},];

var username = { 1001: "Octavio", 2020: "Mara", 3456: "Alanis", 9876: "Alondra", 6589: "Ariana"};

var userage = { 1001: 46, 2020: 39, 3456: 12, 9876: 10, 6589: 7};

Tests:

array
console.log(user.find(x => x.name === 'Alanis').name); console.log(user.find(x => x.name === 'Alanis').age);
object
console.log(username[3456]); console.log(userage[3456]);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
array
object

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

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

**Benchmark Definition**

The benchmark is testing two different approaches to retrieve data from an object:

1. `user.find(x => x.name === 'Alanis').name`
2. `username[3456]`

**Options Compared**

Two options are being compared:

1. **Array** (`find()` method in the array)
2. **Object** (direct access to a property in the object)

**Pros and Cons of Each Approach**

### Array (`find()` method)

* Pros:
	+ Easier to read and maintain, as it uses a functional programming style.
	+ Can be more flexible if you need to filter multiple conditions.
* Cons:
	+ May incur additional overhead due to function invocation and iteration.
	+ Can be slower than direct property access in some cases.

### Object (`username[3456]`)

* Pros:
	+ Typically faster, as it directly accesses a property without any overhead.
	+ Can be more efficient for large datasets or when working with a lot of properties.
* Cons:
	+ Less readable and maintainable, especially if the object is complex or has many properties.
	+ May lead to issues if the object is not properly initialized or if the property is not found.

**Library Usage**

None of the provided benchmark tests use any libraries. However, it's worth noting that in a real-world scenario, you might be using libraries like Lodash (which provides `find()` and other utility functions) or Ramda (which provides functional programming utilities).

**Special JS Feature/Syntax**

There is no special JavaScript feature or syntax being used in this benchmark. The tests are standard JavaScript code.

**Other Alternatives**

If you're looking for alternatives to these approaches, consider the following:

* For direct property access (`username[3456]`), you could use a Map instead of an object if you need to look up values by key.
* For filtering data using `find()` (e.g., `user.find(x => x.name === 'Alanis')`), you could use other filter functions like `filter()` or even a regular expression.

In summary, the benchmark is testing two common approaches to retrieve data from an object: direct property access and filtering using `find()`. The choice of approach depends on the specific requirements and constraints of your use case.

Related benchmarks:

objvsarrayfr (version: 0)

objvsarray

Comparing performance of: array vs object

Created: 5 years ago by: Guest

Jump to the latest result

array

object

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):