Benchmark: Test_apr2522 - MeasureThat.net

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var foods = ['biryani', 'breads', 'tandoori', 'pulao', 'dosa', 'idli']
 function isEmpty(value) {
     const type = typeof val;
     if ((value !== null && type === 'object') || type === 'function') {
       const properties = Object.keys(value);
        if (properties.length === 0 || properties.size === 0) { 
          return true;
        } 
      } 
      return !value;
}

Tests:

Native
isEmpty(foods)
Lodash
_.isEmpty(foods)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Native
Lodash

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 benchmark and explain what's being tested.

**Script Preparation Code**

The script preparation code defines a JavaScript function `isEmpty` that takes a value as an argument. The function checks if the value is null or undefined, and if it's an object or function, it returns true if the object has no properties (i.e., its length or size is 0). If none of these conditions are met, the function returns false.

**Html Preparation Code**

The HTML preparation code includes a script tag that loads the Lodash library, version 4.17.5. This library provides various utility functions for tasks like checking if an object is empty.

**Benchmark Definition JSON**

There are two benchmark definitions:

1. `isEmpty(foods)`: This test case calls the `isEmpty` function with the array `foods` as its argument.
2. `_.isEmpty(foods)`: This test case uses the Lodash library to call the `isEmpty` function on the `foods` array.

**Comparison**

The two benchmark definitions are comparing the performance of two approaches:

1. **Native**: The native implementation, which is built into the JavaScript engine. In this case, it's the `isEmpty` function defined in the script preparation code.
2. **Lodash**: The Lodash library provides a `_.isEmpty()` function that can be used to check if an object is empty. This test case uses this library to call the `isEmpty` function.

**Pros and Cons**

1. **Native**:
	* Pros: Built into the JavaScript engine, likely optimized for performance.
	* Cons: May not work in all environments or browsers.
2. **Lodash**:
	* Pros: Widely used and supported, provides a standardized way to check if an object is empty.
	* Cons: Adds overhead due to the library's existence and potential parsing time.

**Other Considerations**

* The benchmark uses a specific array `foods` as input, which may not be representative of real-world usage.
* The test case only checks for emptiness, which might not cover all possible use cases.
* There are no tests for edge cases like an empty array or a non-empty object.

**Special JavaScript Feature/ Syntax**

None mentioned in this benchmark.

**Alternative Approaches**

Other approaches to check if an object is empty include:

1. Using the `length` property: `if (obj.length === 0) { ... }`
2. Using the `Object.keys()` method with a conditional statement: `if (Object.keys(obj).length === 0) { ... }`
3. Using a third-party library like jQuery or Ramda.

These alternatives may offer different trade-offs in terms of performance, readability, and maintainability compared to the native implementation or Lodash.

Related benchmarks:

Test_apr2522 (version: 0)

Comparing performance of: Native vs Lodash

Created: 4 years ago by: Guest

Jump to the latest result

Native

Lodash

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):