Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
lodash omit vs spread omit vs delete omit
(version: 0)
Comparing performance of:
lodash omit vs spread omit vs delete omit
Created:
6 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Tests:
lodash omit
const a = { aa: 'oh', bb: 'my' }; const b = _.omit(a, 'aa');
spread omit
const a = { aa: 'oh', bb: 'my' }; const { aa, ...b } = a;
delete omit
const a = { aa: 'oh', bb: 'my' }; delete a.aa;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
lodash omit
spread omit
delete omit
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):
I'll break down the benchmark and explain what's being tested. **Benchmark Overview** The benchmark compares three different approaches to omitting properties from an object in JavaScript: 1. Using the `_.omit` function from Lodash 2. Using the spread operator (`...`) with destructuring assignment 3. Using the `delete` keyword **Lodash `_omit` Function** The `_omit` function is a utility function from the Lodash library that removes specified properties from an object. In this benchmark, it's used to omit the `aa` property from the object `{ aa: 'oh', bb: 'my' }`. Pros: * Easy to use and concise syntax * Fast execution (in most cases) Cons: * Requires additional library inclusion (`lodash.js`) * May not be suitable for all scenarios where object properties need to be modified directly **Spread Operator with Destructuring Assignment** The spread operator (`...`) with destructuring assignment is a newer JavaScript feature that allows you to create a new object by omitting certain properties. In this benchmark, it's used to create a new object `{ aa: undefined, bb: 'my' }` from the original object. Pros: * Fast and efficient * Does not require additional library inclusion * Suitable for most use cases where object properties need to be modified directly Cons: * May not work in older browsers or environments that don't support the spread operator * Can be confusing to read and understand, especially for those unfamiliar with destructuring assignment **`delete` Keyword** The `delete` keyword is a built-in JavaScript feature that allows you to delete properties from an object. In this benchmark, it's used to directly modify the original object by deleting the `aa` property. Pros: * Fast and efficient * Does not require additional library inclusion * Suitable for most use cases where object properties need to be modified directly Cons: * May not work in older browsers or environments that don't support the `delete` keyword * Can be error-prone if not used carefully, as it can lead to unexpected behavior if used incorrectly. **Library and Special Features** The benchmark uses Lodash library, which is a popular utility library for JavaScript. The `_omit` function is part of this library. There are no special features or syntaxes being tested in this benchmark that would require additional explanation. **Alternatives** Other alternatives to the three approaches tested in this benchmark include: * Using a library like `omit.js`, which provides a similar interface to Lodash's `_omit` function * Using a custom implementation of object property removal, such as by iterating over the object's properties and modifying them directly However, these alternatives may not be as efficient or convenient as the three approaches tested in this benchmark.
Related benchmarks:
lodash omit vs. spread omit
lodash omit versus spread omit
lodash omit vs spread omit using babel
lodash omit vs spread omit modified
Comments
Confirm delete:
Do you really want to delete benchmark?