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JSON.stringify vs Object.values.join 2
(version: 0)
Comparing performance of:
JSON.stringify vs Object.values.join
Created:
4 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
window.foo = { one: 'one', two: 'two', three: 'three', four: 'four', five: 'five' };
Tests:
JSON.stringify
JSON.stringify(window.foo);
Object.values.join
Object.values(window.foo ?? []).join('');
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
JSON.stringify
Object.values.join
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to help explain the benchmark and its results. **Benchmark Overview** The provided JSON represents a JavaScript microbenchmark that compares two approaches for stringifying an object: `JSON.stringify` and `Object.values.join`. The benchmark is designed to measure the performance of these two methods on different browsers and devices. **What are being compared?** Two options are being compared: 1. **JSON.stringify**: This method converts a JavaScript object into a JSON string. It's a widely used method for serializing objects, but it can be slower than other approaches. 2. **Object.values.join('')**: This approach uses the `Object.values()` method to get an array of the object's values, and then calls the `join()` method on an empty string to concatenate these values into a single string. **Pros and Cons of each approach:** * **JSON.stringify**: + Pros: widely supported, easy to implement. + Cons: can be slower due to overhead of serializing objects, may not preserve object structure or data types. * **Object.values.join('')**: + Pros: potentially faster than JSON.stringify, preserves object structure and data types. + Cons: may require additional memory for the temporary array, can be more complex to implement. **Library usage** The benchmark uses no external libraries. Both `JSON.stringify` and `Object.values.join('')` are built-in JavaScript methods. **Special JS feature or syntax** There are no special JavaScript features or syntaxes used in this benchmark. The code is straightforward and only utilizes built-in JavaScript methods and properties. **Other alternatives** Other approaches to stringifying objects might include: * **Array.prototype.map() + String.join()**: This approach uses the `map()` method to convert each value to a string, and then calls `String.join()` to concatenate these strings. * **For...of loop**: This approach uses a `for...of` loop to iterate over the object's values, and concatenates them into a single string using `+`. These alternatives might have different performance characteristics depending on the specific use case and browser environment. **Benchmark preparation code** The provided script preparation code defines an object `window.foo` with five properties: `one`, `two`, `three`, `four`, and `five`. This object is used as the input for both benchmarking methods. **Individual test cases** There are two individual test cases: 1. **JSON.stringify**: Measures the execution time of calling `JSON.stringify(window.foo)`. 2. **Object.values.join('')**: Measures the execution time of calling `Object.values(window.foo ?? []).join('')`. The latest benchmark result shows that `Object.values.join('')` outperforms `JSON.stringify` on a Chrome 110 browser, with an execution rate of approximately 1887581.875 executions per second compared to 1534201.25 for `JSON.stringify`.
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