Benchmark: Ember vs Lodash vs Native JS

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/ember.js/2.18.2/ember.min.js"></script>
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var a = [{id: 1}, {id: 2, name: '2'}, {id: 3, data: {foo: 'bar'}}];

Tests:

isNone
Ember.isNone(a)
isPresent
Ember.isPresent(a)
isNil
_.isNil(a)
native
a === null || a === undefined

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
isNone
isPresent
isNil
native

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data to understand what's being tested in this JavaScript microbenchmark.

**Benchmark Overview**

The benchmark compares the performance of three different approaches:

1. Ember.js
2. Lodash.js
3. Native JavaScript (without any libraries)

The test cases focus on checking the presence or absence of an object `a` with its properties.

**Options Compared**

Each test case uses a different approach to check if the object `a` is present, absent, or neither:

1. **Ember.isNone(a)**: Uses Ember.js's `isNone()` function to determine if `a` is null or undefined.
2. **Ember.isPresent(a)**: Uses Ember.js's `isPresent()` function to determine if `a` has any presence (i.e., not null or undefined).
3. **_.isNil(a)**: Uses Lodash.js's `isNil()` function to determine if `a` is null or undefined.
4. **native**: Checks manually using a simple conditional statement (`a === null || a === undefined`) in native JavaScript.

**Pros and Cons**

Here are some pros and cons of each approach:

* **Ember.isNone(a)**: Pros - Ember.js provides a concise way to check for null or undefined values. Cons - It may introduce overhead due to the use of an external library.
* **Ember.isPresent(a)**: Pros - Provides a clear indication of whether `a` has any presence, making it easier to reason about the code. Cons - Similar to Ember.isNone(), it introduces overhead from the library.
* _.isNil(a): Pros - Lodash.js is widely used and provides a lightweight solution for checking null or undefined values. Cons - May not be as intuitive as native JavaScript's approach.
* **native**: Pros - No external libraries are required, making it a lightweight option. Cons - Requires manual implementation, which can lead to errors if not done correctly.

**Library Usage**

In this benchmark, Ember.js and Lodash.js are used for their built-in functions `isNone()`, `isPresent()`, and `isNil()` respectively. These libraries provide concise ways to perform common operations, but may also introduce overhead due to the use of external code.

**Special JS Features or Syntax**

There is no explicit usage of special JavaScript features or syntax in this benchmark. However, it's worth noting that some of these libraries (e.g., Ember.js) are built on top of modern JavaScript features like ES6 classes and async/await.

**Alternatives**

Other alternatives for implementing this benchmark could include:

* Using only native JavaScript with manual implementations for `isNil()` and `isPresent()`.
* Using other libraries like Moment.js for date-related calculations, or React for building the UI (although these are not part of the provided JSON data).
* Implementing a custom JavaScript implementation that combines elements from different libraries.

Overall, this benchmark provides a good starting point for comparing the performance of Ember.js, Lodash.js, and native JavaScript in specific scenarios.

Latest run results:

Run details: (Test run date: 2 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser/OS: Chrome 128 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
isNone	5273320.0 Ops/sec
isPresent	4640340.5 Ops/sec
isNil	5393237.5 Ops/sec
native	4260145.5 Ops/sec

Related benchmarks:

Ember vs Lodash vs Native JS (version: 0)

Comparing performance of: isNone vs isPresent vs isNil vs native

Created: 4 years ago by: Guest

Jump to the latest result

isNone

isPresent

isNil

native

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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