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Add new element to very large array (preparation): push vs destructuring vs bracket access
(version: 0)
Comparing performance of:
spread operator vs Push vs bracket access
Created:
3 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var params = [ "hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true,"hello", true, 7 ]
Tests:
spread operator
var other = [ ...params, 'new' ]
Push
params.push('new');
bracket access
params[ params.length ] = 'new';
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
spread operator
Push
bracket access
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
It seems like we're being presented with a benchmarking report for JavaScript performance tests, specifically comparing the spread operator, push method, and bracket access to add an element to an array. To answer your question, without more context about what exactly you'd like me to infer or determine from this data, I can only provide general insights based on the information given: 1. **Benchmarking Results**: The results show that the `push` method is the fastest way to add a new element to an array, followed closely by bracket access (`params[ params.length ] = 'new';`). The spread operator, while still relatively fast, has a slightly longer execution time. 2. **Browser and Environment Variability**: There's significant variability in the benchmarking results across different browsers (specifically Chrome) and platforms (Desktop vs potentially mobile). This highlights the importance of considering the browser and platform used for testing when comparing performance benchmarks. 3. **Performance Considerations**: The choice between these methods should depend on readability, maintainability, and specific requirements of your application. For example, if you need to frequently add new elements to an array in a loop or dynamic scenario, the spread operator might not be the best choice due to its slightly slower execution time. 4. **Benchmarking Best Practices**: The use of `console.log` statements with JSON.stringify() or similar methods for logging detailed output can impact performance by increasing memory allocation and handling overhead on the benchmarking tool itself. Tools like jsbench.me often mitigate this issue by optimizing their environment and logging mechanisms, but in general development environments (like Node.js with a custom console), it's worth considering these impacts. Without additional specific questions or details about how you're using these performance tests or what your priorities are for this code snippet, I can only provide general insights. If there's something specific you'd like to know or discuss regarding these test results or any related JavaScript coding practices, feel free to ask!
Related benchmarks:
Add new element to large array: push vs destructuring vs bracket access
Add new element to very large array: push vs destructuring vs bracket access
Add new element to large array (preperation): push vs destructuring vs bracket access
Add new element to array: push vs destructuring, with longer array
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