Benchmark: Object values vs _.values 2

Tests:

Object values 2
var a = { a: 1, b: 2, c: 3}; Object.values(a);
Keys to values 2
var a = { a: 1, b: 2, c: 3}; Object.keys(a).map(item => a[item])

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object values 2
Keys to values 2

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

Let's dive into the benchmark and explain what's being tested.

**Benchmark Overview**

The `MeasureThat.net` website provides a platform for users to create and run JavaScript microbenchmarks. The provided JSON represents a benchmark that compares two approaches: using the new ES6 spread operator (`Object.values()`) versus the traditional `concat()` method.

**What is being tested?**

In this benchmark, we're comparing the performance of two approaches:

1. Using the `Object.values()` method to extract values from an object.
2. Using `Object.keys()` and then iterating over the resulting array to access the object's properties using property names (`item => a[item]`).

The test aims to measure which approach is faster.

**Options Compared**

In this benchmark, we're comparing two approaches:

1. **Object.values()**: This method was introduced in ECMAScript 2019 (ES6) and allows you to extract an array of values from an object.
2. **Concat() + Keys**: This approach uses the `Object.keys()` method to get an array of property names, followed by using the `concat()` method to concatenate these property names with their corresponding values.

**Pros and Cons**

Here's a brief analysis of each approach:

* **Object.values()**
	+ Pros: More concise and readable code, as it uses a built-in method.
	+ Cons: Might be less familiar or intuitive for developers who aren't used to ES6 features.
* **Concat() + Keys**
	+ Pros: Widely supported across older browsers and versions of JavaScript.
	+ Cons: Longer and more verbose code, which can lead to performance issues.

**Library Used**

In this benchmark, the `Object.keys()` method is used from the built-in JavaScript object. No external libraries are required.

**Special JS Feature or Syntax**

There's no special JavaScript feature or syntax being tested in this benchmark. The focus is solely on comparing two approaches to extract values from an object.

**Other Alternatives**

If you're looking for alternative ways to extract values from an object, here are a few examples:

1. Using `for...in` loop: This approach iterates over the object's properties using a `for...in` loop.
2. Using `Array.from()`: This method converts an object into an array of its property names and then uses `map()` to create a new array with the corresponding values.

For example, using `Array.from()`:
```javascript
var obj = { a: 1, b: 2, c: 3 };
Array.from(Object.keys(obj)).map(item => obj[item]);
```
Keep in mind that these alternatives might have different performance characteristics compared to the approaches tested in this benchmark.

Related benchmarks:

Object values vs _.values 2 (version: 0)

Compare the new ES6 spread operator with the traditional concat() method

Comparing performance of: Object values 2 vs Keys to values 2

Created: 7 years ago by: Guest

Jump to the latest result

Object values 2

Keys to values 2

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):