Benchmark: Lodash omit vs Native delete vs Deconstruct - Test

HTML Preparation code:

<script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js"></script>

Script Preparation code:

data = { abf:'asd',message:'koko' }

Tests:

Native delete
const meta = Object.assign({}, data); delete meta.message; return { message: data.message, meta }
Deconstruct
const { message, ...rest } = data; return { message: data.message, meta: rest }
Lodash omit
return { message: data.message, meta: _.omit(data, 'message') }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Native delete
Deconstruct
Lodash omit

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser/OS: Chrome 120 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Native delete	2086591.9 Ops/sec
Deconstruct	3437743.8 Ops/sec
Lodash omit	949117.0 Ops/sec

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

LLMs can make mistakes. Check important info.

**Benchmark Overview**

The provided JSON represents a JavaScript microbenchmark test created on MeasureThat.net. The test compares the performance of three approaches to remove or modify properties from an object:

1. Lodash `omit` method
2. Native JavaScript `delete` operator
3. Object destructuring (Deconstruct)

**Options Compared**

* **Lodash `omit`**: Uses the `_.omit` function from the Lodash library to create a new object with the specified property removed.
	+ Pros: Simple and concise, widely used, and well-maintained.
	+ Cons: Requires an external dependency (Lodash), might be slower than native methods due to overhead.
* **Native JavaScript `delete` operator**: Uses the `delete` operator to remove a property from the object.
	+ Pros: Fast, lightweight, and doesn't require any dependencies.
	+ Cons: Can lead to unexpected behavior if used with certain data types or in specific contexts.
* **Object destructuring (Deconstruct)**: Uses object destructuring syntax to create a new object with the specified property removed.
	+ Pros: Modern, concise, and easy to read.
	+ Cons: Might be slower than native methods due to parsing overhead.

**Library - Lodash**

Lodash is a popular JavaScript utility library that provides a wide range of functions for tasks like string manipulation, array operations, and object transformations. The `omit` function is part of this library and returns a new object with the specified property removed.

**JavaScript Features and Syntax**

* **Object Destructuring (Deconstruct)**: Introduced in ECMAScript 2015 (ES6), object destructuring allows you to extract properties from objects into variables. In this benchmark, it's used to create a new object with the `meta` property removed.
	+ Pros: Modern, concise, and easy to read.
	+ Cons: Might be slower than native methods due to parsing overhead.

**Benchmark Result Interpretation**

The latest benchmark result shows the performance of each approach across multiple executions per second. The results indicate that:

* Lodash `omit` is the fastest approach (highest executions per second).
* Object destructuring (Deconstruct) is the second-fastest approach.
* Native JavaScript `delete` operator is the slowest approach.

**Other Alternatives**

For removing properties from objects, other alternatives to these approaches include:

* Using a `for...in` loop with `delete` to remove properties
* Utilizing a library like Underscore.js (similar to Lodash)
* Implementing custom logic for property removal

Keep in mind that the choice of approach depends on your specific use case, performance requirements, and personal preference.

Related benchmarks:

Lodash omit vs Native delete vs Deconstruct - Test (version: 0)

Comparing performance of: Native delete vs Deconstruct vs Lodash omit

Created: 3 years ago by: Guest

Jump to the latest result

Native delete

Deconstruct

Lodash omit

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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