Benchmark: filter vs es6 - MeasureThat.net

Tests:

filter
const words = ["spray", "limit", "elite", "exuberant", "destruction", "present"]; const result = words.filter(function(word) { return word.length > 6 });
es6
const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present']; const result = words.filter((word) => word.length > 6);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
filter
es6

Fastest: N/A

Slowest: N/A

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

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I'll break down the benchmark and explain what's being tested, compared, and the pros and cons of each approach.

**Benchmark Overview**

The benchmark compares two approaches to filtering an array of strings: using the traditional `Array.prototype.filter()` method (non-ES6) and the newer ES6 syntax for filter methods (`array.filter()`).

**Test Case 1: Filter (Non-ES6)**

```javascript
const words = ["spray", "limit", "elite", "exuberant", "destruction", "present"];
const result = words.filter(function(word) {
  return word.length > 6;
});
```

*   **Library/Functionality:** This test case uses the built-in `Array.prototype.filter()` method, which is a part of JavaScript's standard library.
*   **Special JS feature/Syntax:** None
*   **Pros:**
    *   Widely supported across most browsers and platforms.
    *   Efficient use of memory, as it only iterates over elements that match the condition.
*   **Cons:**
    *   Can be slower than modern filter methods (ES6) due to older browser support for Array.prototype.filter().

**Test Case 2: Filter (ES6)**

```javascript
const words = ['spray', 'limit', 'elite', 'exuberant', 'destruction', 'present'];
const result = words.filter((word) => word.length > 6);
```

*   **Library/Functionality:** This test case uses the newer ES6 syntax for filter methods (`array.filter()`). The `=>` operator is called an arrow function, which is a concise way to define small functions.
*   **Special JS feature/Syntax:** Arrow functions (`=>`) and template literals (single quotes).
*   **Pros:**
    *   Modern browser support ensures efficient execution.
    *   Cleaner code with reduced verbosity.

**Comparison**

The two test cases aim to compare the performance differences between the traditional `Array.prototype.filter()` method and the newer ES6 syntax for filter methods. The benchmark aims to provide insights into how different approaches impact execution speed, especially considering that older browsers might not support modern methods efficiently.

**Other Alternatives:**

*   If you were to extend this comparison, you could also include other filtering methods or libraries like `Array.prototype.map()` and `lodash.filter()`, among others.

Related benchmarks:

filter vs es6 (version: 0)

Comparing performance of: filter vs es6

Created: 2 years ago by: Guest

Jump to the latest result

filter

es6

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):