Benchmark: 1 iter vs 3 iter 3

Script Preparation code:

yourFlatObject = {
      "height": "172",
      "mass": "77",
      "hair_color": "blond",
      "skin_color": "fair",
      "eye_color": "blue",
      "birth_year": "19BBY",
      "gender": "male",
      "created": "2021-11-07T15:18:53.215Z",
      "edited": "2021-11-07T15:18:53.215Z",
      "name": "Luke Skywalker",
      "homeworld": "https://www.swapi.tech/api/planets/1",
      "url": "https://www.swapi.tech/api/people/1",
      "2height2": "172",
      "2mass": "77",
      "2hair_color": "blond",
      "2skin_color": "fair",
      "2eye_color": "blue",
      "2birth_year": "19BBY",
      "2gender": "male",
      "2created": "2021-11-07T15:18:53.215Z",
      "2edited": "2021-11-07T15:18:53.215Z",
      "2name": "Luke Skywalker",
      "2homeworld": "https://www.swapi.tech/api/planets/1",
      "2url": "https://www.swapi.tech/api/people/1"	
}

Tests:

1
let html = ''; for ( let item in yourFlatObject ) if (yourFlatObject[item] ) //!= null html+=`<p>${yourFlatObject[item]}</p>`; html = html?`<div class="info">${html}</div>`:'';
3
let html = ''; const filteredData = Object.entries(yourFlatObject) .map(([key, value]) => ({ key, value })) .filter(({ value }) => value != null); if ( filteredData.length ) { filteredData.forEach( (item)=>{ html+=`<p>${item.value}</p>`; }); html = `<div class="info">${html}</div>`; }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
1
3

Fastest: N/A

Slowest: N/A

Latest run results:

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

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I'll provide an in-depth explanation of the provided benchmark.

**Benchmark Definition**

The benchmark is testing two different approaches to generate HTML content from a JavaScript object using the `yourFlatObject` variable. The benchmark consists of three test cases, but we will focus on the two individual test cases: "1" and "3".

**Test Case 1:**
```javascript
let html = '';
for (let item in yourFlatObject) {
  if (yourFlatObject[item] !== null) { //!= null
    html += `<p>${yourFlatObject[item]}</p>`;
  }
}
html = html ? `<div class="info">${html}</div>` : '';
```
This test case uses a simple `for...in` loop to iterate over the properties of the `yourFlatObject` object. It checks if each property value is not null (using the loose equality operator `!==`) and appends it to the HTML string. Finally, it wraps the entire HTML content in a `<div>` element with a class of "info".

**Test Case 3:**
```javascript
let html = '';
const filteredData = Object.entries(yourFlatObject)
  .map(([key, value]) => ({ key, value }))
  .filter(({ value }) => value !== null);

if (filteredData.length) {
  filteredData.forEach((item) => {
    html += `<p>${item.value}</p>`;
  });
}
html = `<div class="info">${html}</div>`;
```
This test case uses the `Object.entries()` method to convert the `yourFlatObject` object into an array of key-value pairs. It then filters out any null values using the `filter()` method and maps each pair to a simple object with only the key and value properties.

**Comparison**

The two test cases differ in their approach:

1. **Test Case 1**: Uses a simple `for...in` loop, which can be slower due to the overhead of iterating over the object's properties.
2. **Test Case 3**: Uses the `Object.entries()` method, which is likely faster since it uses an optimized internal implementation.

**Pros and Cons**

* **Test Case 1**:
	+ Pros: Simple and easy to understand, no additional library dependencies.
	+ Cons: May be slower due to the overhead of iterating over the object's properties.
* **Test Case 3**:
	+ Pros: Likely faster than Test Case 1, uses a modern JavaScript method.
	+ Cons: Requires an understanding of `Object.entries()` and its implementation details.

**Other Considerations**

* Both test cases assume that the `yourFlatObject` variable is already created and contains only non-null values.
* The benchmark does not account for any potential performance differences due to other factors, such as browser caching or DOM manipulation.

**Library Usage**

The `Object.entries()` method is a built-in JavaScript function introduced in ES6 (ECMAScript 2015). It provides an efficient way to convert objects into arrays of key-value pairs.

**Special JS Features/Syntax**

None mentioned in the provided benchmark definition.

Related benchmarks:

1 iter vs 3 iter 3 (version: 0)

Comparing performance of: 1 vs 3

Created: 4 years ago by: Guest

Jump to the latest result

1

3

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):