Benchmark: remove test2 - MeasureThat.net

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/lodash@4.14.184/lodash.min.js"></script>

Script Preparation code:

const limit = 10000000;
var array = [];

for (let i = 0; i < limit; i++) {
  array.push(i);
}

function getRandomIndex() {
  return Math.floor(Math.random() * array.length)
}

var element = array[getRandomIndex()];

Tests:

native
for (let index = 0; index < this.chips.length; index++) { if (this.chips[index] == chip) { this.chips.splice(index,1); index--; } }
lodash
_.remove(array, x => x === element);

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.

**Benchmark Explanation**

MeasureThat.net is used to compare the performance of two approaches: native JavaScript removal from an array and using the Lodash library.

The benchmark definition JSON represents two test cases:

1. **Native**: This test case uses pure JavaScript to remove a specific element (`element`) from an array (`array`).
2. **Lodash**: This test case uses the Lodash library, specifically its `remove()` function, to achieve the same result as the native approach.

**Options Comparison**

The two approaches differ in their implementation details:

*   Native Approach:
    *   Uses a simple loop to iterate over the array and remove elements until it finds the target element.
    *   Returns the modified array.
*   Lodash Approach:
    *   Utilizes the Lodash library's `remove()` function, which takes two arguments: the array to modify and a predicate function that defines the condition for removal.
    *   Returns the modified array.

**Pros and Cons**

Here's a brief analysis of each approach:

*   **Native Approach**
    *   Pros:
        *   Low overhead, as it doesn't require loading an external library.
        *   Simple to understand and implement.
    *   Cons:
        *   May be slower due to the loop iteration, especially for larger arrays.
*   **Lodash Approach**
    *   Pros:
        *   Faster execution time, thanks to Lodash's optimized implementation.
        *   Less code to write and maintain.
    *   Cons:
        *   Requires loading an external library (Lodash), which may impact performance or security.

**Library: Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks like array manipulation, string processing, and more. The `remove()` function used in the benchmark definition takes two arguments:

*   `array`: The input array to modify.
*   `predicate`: A function that defines the condition for removal.

In this case, the predicate function is `x => x === element`, which removes the first occurrence of the target element (`element`) from the array.

**JavaScript Features**

Neither the native nor Lodash approaches utilize any special JavaScript features or syntax. They rely on standard JavaScript language constructs and libraries (Lodash).

Related benchmarks:

remove test2 (version: 1)

Comparing performance of: native vs lodash

Created: 3 years ago by: Registered User

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):