Benchmark: testtesttom - MeasureThat.net

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.17.4/lodash.min.js"></script>

Script Preparation code:

var obj = [{y: 1}, {y: 2}, {y: 3}, {y: 4}, {y: 5}];
var arr = obj.map(({y})=>y);

Tests:

lodash
_.maxBy('y', obj)
vanila
Math.max(...arr);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
lodash
vanila

Fastest: N/A

Slowest: N/A

Latest run results:

No previous 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 benchmarking data to understand what is being tested and the options compared.

**Benchmark Definition JSON**

The provided JSON represents a benchmark definition, which includes:

* `Name`: The name of the benchmark, in this case, "testtesttom".
* `Description`: An empty description, indicating that no additional information is available about this benchmark.
* `Script Preparation Code`: A JavaScript code snippet that prepares the data for the benchmark. In this case, it creates an array (`obj`) with nested objects and maps over it to extract a specific property (`y`).
* `Html Preparation Code`: An HTML script tag that includes a CDN link to the Lodash library (version 4.17.4) in the browser.

**Individual Test Cases**

The benchmark consists of two test cases, each defined by:

* `Benchmark Definition`: A JavaScript function call that tests a specific scenario.
* `Test Name`: The name of the test case, which can be either "vanila" or "lodash".

Let's analyze these test cases:

1. **`_.maxBy('y', obj') - Lodash**:
	* This test case uses the Lodash library (`_`) to find the maximum value in the `obj` array based on the `y` property.
	* The `_.maxBy()` function is part of the Lodash utility functions, which provides a way to perform common data manipulation operations.
2. **`Math.max(...arr)` - Vanilla**:
	* This test case uses only built-in JavaScript functions (no external libraries like Lodash) to find the maximum value in the `arr` array.
	* The `Math.max()` function is part of the standard JavaScript library and is used for comparing values.

**Options Compared**

The two test cases are compared to measure the performance difference between using an external library (Lodash) versus a vanilla JavaScript approach.

**Pros and Cons**

Here's a brief summary of the pros and cons of each approach:

1. **Lodash (`_.maxBy('y', obj')`)**:
	* Pros:
		+ Easier to read and maintain code, as Lodash provides a concise and readable way to perform common operations.
		+ Can be faster than vanilla JavaScript implementations for complex operations, due to the optimized algorithms used in Lodash.
	* Cons:
		+ Introduces an external dependency (Lodash library), which can lead to slower page loads and increased HTTP requests.
2. **Vanilla (`Math.max(...arr)`)**:
	* Pros:
		+ No external dependencies or overhead, making it a good choice for small scripts or situations where code size is critical.
	* Cons:
		+ May require more verbose code, as you need to explicitly implement the logic for finding the maximum value.

**Library and Syntax**

In this case, the Lodash library is used, which provides a set of utility functions that can be used to simplify common operations. The syntax `_.maxBy('y', obj)` is specific to Lodash and uses the `_` notation to access its functions.

**Special JS Features or Syntax**

There are no special JavaScript features or syntaxes mentioned in this benchmarking data.

**Other Alternatives**

If you don't want to use an external library like Lodash, you can implement the `_.maxBy()` function yourself using vanilla JavaScript. Alternatively, you could use other libraries that provide similar functionality, such as Ramda or Underscore.js.

Keep in mind that this benchmarking data is specific to measuring the performance difference between two approaches, and there might be other factors to consider when choosing an approach for your specific project (e.g., maintainability, code size, dependencies).

Related benchmarks:

testtesttom (version: 0)

Comparing performance of: lodash vs vanila

Created: 4 years ago by: Guest

Jump to the latest result

lodash

vanila

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):