Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
JSON.stringify array vs join 2
(version: 0)
Comparing performance of:
JSON.stringify vs array.join + string template
Created:
5 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var arr_small = Array.from({ length: 10 }).map((_, i) => `test_val${i}`); var arr_big = Array.from({ length: 10000 }).map((_, i) => `test_val${i}`);
Tests:
JSON.stringify
JSON.stringify(arr_big); JSON.stringify(arr_small);
array.join + string template
`["${arr_big.join('","')}"]`; `["${arr_small.join('","')}"]`;
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
JSON.stringify
array.join + string template
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 provided benchmark and explain what's being tested, compared options, pros and cons, and other considerations. **What is being tested?** The test case measures the performance of two approaches to serialize an array of strings: 1. `JSON.stringify` method 2. Using the `join()` method with a string template (e.g., `${array.join('\",\"')}`) **Options compared:** * `JSON.stringify`: A built-in JavaScript method that converts a value to a JSON representation. * Array `join()` method with a string template: This approach uses the `join()` method to concatenate array elements into a single string, and then wraps it in square brackets. **Pros and Cons of each approach:** 1. **JSON.stringify** * Pros: + Fast and efficient + Supports most JavaScript data types (not limited to strings) * Cons: + May not be suitable for very large arrays due to memory constraints + Can be slower than the `join()` method in some cases 2. **Array join() with string template** * Pros: + Efficient use of memory, especially for large arrays + Can be faster than `JSON.stringify` in certain scenarios * Cons: + Limited to string elements only + May require more code complexity (e.g., using template literals) **Library and special JS feature used:** None mentioned. The test case doesn't rely on any external libraries or features. **Other considerations:** * The `join()` method with a string template is equivalent to using the `Array.prototype.join()` method, but it allows for more flexibility in formatting the output. * The `JSON.stringify` method can be useful when working with more complex data types, such as objects or arrays with nested elements. **Alternatives:** Other alternatives for serializing arrays include: 1. `Array.prototype.toString()`: A built-in JavaScript method that converts an array to a string representation. 2. `Lodash's `toString()` function**: A popular utility library that provides a flexible way to serialize arrays and other data structures. 3. Custom serialization functions: Developers can create their own custom functions to serialize arrays based on specific requirements. Keep in mind that the choice of serialization method depends on the specific use case, performance requirements, and desired output format.
Related benchmarks:
JSON.strigify vs array.join
JSON.stringify array vs join Updated
stringify vs join vs tostring
JSON.stringify array vs map + join (template and concat)
Comments
Confirm delete:
Do you really want to delete benchmark?