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Object vs toString
(version: 0)
Comparing performance of:
Object vs Object.prototype.toString
Created:
7 years ago
by:
Guest
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Tests:
Object
Object({}) instanceof Number
Object.prototype.toString
Object.prototype.toString.call({}) == '[object Object]'
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Object
Object.prototype.toString
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the provided benchmark and explain what's being tested. **Benchmark Overview** The provided JSON represents a JavaScript microbenchmark created on MeasureThat.net. The benchmark tests two different approaches to convert an object to its string representation using either the `Number` constructor or the `toString()` method of `Object.prototype`. **Options Compared** Two options are compared: 1. **Using `Number` constructor**: In this approach, a new `Number` object is created from the input object. This involves creating a new object and assigning it to a variable. 2. **Using `toString()` method**: In this approach, the `toString()` method of `Object.prototype` is called on the input object. **Pros and Cons** * **Using `Number` constructor**: + Pros: Simple and straightforward. No additional overhead from prototype methods. + Cons: Creates a new object, which can be slower than using a built-in method like `toString()`. * **Using `toString()` method**: + Pros: Faster and more efficient since it leverages the built-in `toString()` method of `Object.prototype`. This is because the engine can optimize this call. + Cons: May not work as expected for objects that don't have a meaningful string representation. **Library and Purpose** In the benchmark, the `Object.prototype` library is used. The `Object.prototype.toString()` method returns a string representing the type of an object or `null` if the object doesn't have a prototype. This method is part of the JavaScript standard library and provides a way to convert objects to strings in a standardized manner. **Special JS Feature or Syntax** There are no special JavaScript features or syntaxes used in this benchmark. The focus is on comparing two simple approaches to string conversion. **Other Alternatives** If you want to create your own JavaScript microbenchmark, consider the following alternatives: 1. MeasureThat.net: Create a new benchmark on MeasureThat.net with their tool. 2. jsPerf.com: Use jsPerf.com to create and share benchmarks. 3. Benchpress.js: Write custom benchmarks using Benchpress.js. 4. Micro-benchmarking libraries like benchmark.js or fast-bench. Keep in mind that these alternatives may have different features, complexity levels, and ease of use compared to MeasureThat.net's tool.
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