Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Splice Slice 80
(version: 0)
Comparing performance of:
array.slice(500) vs array.splice(500)
Created:
2 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var array = new Array(1000).fill({'a':'A', 'b':'B'})
Tests:
array.slice(500)
array.slice(500)
array.splice(500)
array.splice(500)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
array.slice(500)
array.splice(500)
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 provided JSON data and explain what's being tested, compared, and some pros/cons of different approaches. **Benchmark Definition** The JSON data defines two benchmarks: 1. `Splice Slice 80`: This benchmark measures the performance of slicing an array with a specific length (1000) in JavaScript. 2. Two test cases: * `array.slice(500)` : Measures the performance of calling the `slice()` method on an array, removing the first half of the elements. * `array.splice(500)` : Measures the performance of calling the `splice()` method on an array, removing 500 elements from the end. **Options Compared** The benchmarks compare two options: 1. **Array Slicing (`array.slice()`) vs Array Splicing (`array.splice()`)**: Both methods are used to manipulate arrays in JavaScript. 2. In each test case, there are different approaches: * For `array.slice(500)`, the approaches might include: + Creating a new array with `slice()` and returning it + Modifying the original array using `slice()` * For `array.splice(500)`, the approaches might include: + Using `splice()` to remove elements from the end of the array + Creating a new array with `splice()` and returning it **Pros/Cons** Here are some pros/cons for each approach: 1. **Array Slicing (`array.slice()`)**: * Pros: Fast, efficient, creates a new array (which can be more memory-friendly). * Cons: May not modify the original array, can lead to unexpected side effects if not used carefully. 2. **Array Splicing (`array.splice()`)**: * Pros: Modifies the original array, removes elements from the end without creating a new one. * Cons: Generally slower than slicing due to the overhead of removing and inserting elements. **Library** In the provided JSON data, there is no explicit mention of any JavaScript libraries. However, if we consider the context, it's likely that `array` and other array methods are being tested without any external library dependencies. **Special JS Feature/Syntax (None)** There are no special JS features or syntax mentioned in the provided data. **Other Alternatives** If you were to create your own benchmarking script for JavaScript array manipulation, some alternative approaches might include: * Using `Array.prototype.map()` or `Array.prototype.reduce()` instead of slicing or splicing. * Creating a custom implementation of array methods using loops and other techniques. * Comparing the performance of different JavaScript engines (e.g., V8, SpiderMonkey) in different browsers. For creating your own benchmarking script, you can use tools like Node.js, JavaScript Engine Tester, or even write a simple web page with a textarea to input your custom benchmark script.
Related benchmarks:
splice-slice-b
Slice vs splice 2 ...
Split vs slice vs Splice javascript
Splice Slice
Comments
Confirm delete:
Do you really want to delete benchmark?