Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Large Array concat vs spread operator vs pushqqqqq
(version: 0)
Compare the new ES6 spread operator with the traditional concat() method and push
Comparing performance of:
Array.prototype.concat vs spread operator vs Push
Created:
3 years ago
by:
Guest
Jump to the latest result
Tests:
Array.prototype.concat
var params = new Array(90000); var other = [ 1, 2 ].concat(params);
spread operator
var params = new Array(90000); var other = [ 1, 2, ...params ]
Push
var params = new Array(90000); var other = [ 1, 2 ].push(...params);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
Fork
Test case name
Result
Array.prototype.concat
spread operator
Push
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):
Let's break down the benchmark and its test cases. **Benchmark Purpose** The goal of this benchmark is to compare the performance of three different methods for concatenating arrays: `Array.prototype.concat()`, the new ES6 spread operator (`...`), and the `push()` method with multiple arguments. **Options Compared** 1. **Array.prototype.concat()**: This method creates a new array by copying all elements from the original array (`params`) and then appending the `other` array. 2. **Spread Operator (ES6)**: This method uses the `...` operator to spread the elements of the `params` array into the `other` array, effectively concatenating them. 3. **Push() with Multiple Arguments**: This method calls `push()` on the `other` array multiple times, passing each element from the `params` array as an argument. **Pros and Cons** * **Array.prototype.concat()**: + Pros: Simple to implement, widely supported. + Cons: Creates a new array, which can be memory-intensive for large arrays. * **Spread Operator (ES6)**: + Pros: Concise, efficient, and modern. + Cons: Only supported in ES6 and later, may not work in older browsers or environments. * **Push() with Multiple Arguments**: + Pros: Simple to implement, can be more flexible than `concat()`. + Cons: May be slower due to the repeated calls to `push()`. **Library Usage** None of the test cases use external libraries. **Special JS Features/Syntax** The benchmark uses ES6 syntax (the spread operator) and JavaScript's `new` keyword for creating arrays. **Other Considerations** * Memory usage: The benchmark creates a large array (`params`) with 90,000 elements. The performance of each method may be affected by memory allocation and deallocation. * Browser support: Since the benchmark uses ES6 syntax, it may not work in older browsers that don't support it. * Platform-specific optimizations: The results might vary depending on the platform (Desktop vs. other), device (Mac OS X 10.15.7). **Alternatives** If you want to compare performance with alternative methods, you could consider: 1. Using `slice()` instead of `concat()`. 2. Comparing the performance of other concatenation methods, such as using a `for` loop. 3. Measuring the impact of array length on performance (e.g., 10,000 elements vs. 90,000 elements). 4. Testing the performance of different data structures, such as arrays vs. linked lists. Keep in mind that each alternative would require modifying the benchmark code and test cases to accommodate the new scenarios.
Related benchmarks:
Array.prototype.concat vs Spread operator
Array.prototype.concat vs Spread operator
concat 2 arrays: Array.prototype.concat vs spread operator
Array concat vs spread operator vs push with more data
Array.prototype.concat vs spread operator on large array
Comments
Confirm delete:
Do you really want to delete benchmark?