Benchmark: Quick stringification

HTML Preparation code:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.4/jquery.min.js">
</script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.29/angular.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.2/lodash.min.js"></script>
<script>
  _lodash = _.noConflict();
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>

Script Preparation code:

// Generate test array
window.array = (function() {
  var arr = [];
  for (var i = 0; i < 100; ++i) {
    arr.push({ name: i, test: i });
  }

  return arr;
}());

window.quickStringification = (list, propertyKey) => {
  let i
  let string = ""
  for (i = 0; i < list.length; i ++) {
   string += list[i][propertyKey]
  }
  return string
}

Tests:

JSON stringify
JSON.stringify(array)
Quick stringification
quickStringification(array, "name")

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
JSON stringify
Quick stringification

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 benchmark and explain what is being tested.

**Benchmark Overview**

The benchmark measures the performance of two JavaScript functions: `JSON.stringify()` and `quickStringification()`. Both functions are used to concatenate string values from an array, but they have different approaches and implementations.

**JSON.stringify()**

`JSON.stringify()` is a built-in JavaScript function that converts a value (e.g., an object or an array) into a JSON string. It's implemented in the browser's V8 engine (in this case, Chrome 112).

The benchmark test measures how quickly `JSON.stringify()` can be executed with a large array of objects, specifically with the property key `"name"`.

**quickStringification()**

`quickStringification()` is a custom JavaScript function that takes an array and a property key as input. It concatenates the values from the array using the provided property key. In this case, it's used to concatenate only the `"name"` properties from the array.

The benchmark test measures how quickly `quickStringification()` can be executed with the same large array of objects as before.

**Library Usage**

In the HTML preparation code, several libraries are loaded:

1. **jQuery**: A popular JavaScript library for DOM manipulation and event handling.
2. **AngularJS**: A JavaScript framework for building single-page applications.
3. **Lodash** (via `_.noConflict()`): A utility library providing functional programming helpers.
4. **Underscore.js**: Another utility library with a focus on functional programming.

However, these libraries are not used directly in the benchmark tests. They might be loaded by the test environment to ensure compatibility or to enable certain features.

**Special JS Features/Syntax**

There is no specific JavaScript feature or syntax being tested in this benchmark. The tests only involve standard JavaScript functions and array iteration.

**Pros and Cons of Different Approaches**

1. **JSON.stringify()**:
	* Pros: Built-in, well-tested, and optimized by the browser's V8 engine.
	* Cons: May not be as efficient for very large arrays or complex objects.
2. **quickStringification()**:
	* Pros: Custom implementation allows for potential optimizations or caching.
	* Cons: Not a built-in function, may require additional memory or computations.

In this benchmark, `JSON.stringify()` appears to be faster than `quickStringification()` likely due to its optimized implementation in the browser's V8 engine. However, the actual performance difference may vary depending on specific use cases and array sizes.

**Other Alternatives**

If you're looking for alternative approaches to concatenate string values from an array, consider the following:

1. **Using a `reduce()` method**: `arr.reduce((string, obj) => string += obj.name, '')`
2. **Using `map()` and `join()```**: `arr.map(obj => obj.name).join('')`
3. **Using a `for...of` loop**: `let string = ''; for (const obj of arr) { string += obj.name; }`

These alternatives might offer similar performance to the built-in `JSON.stringify()` function, depending on the specific requirements and use cases.

Related benchmarks:

Quick stringification (version: 0)

Comparing performance of: JSON stringify vs Quick stringification

Created: 3 years ago by: Guest

Jump to the latest result

JSON stringify

Quick stringification

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):