Benchmark: object create vs others

Tests:

Object.create()
var o = Object.create() o.prototype.a = 1 o.prototype.b = 2
{}
var o = {a: 1, b: 2}

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object.create()
{}

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 6 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36

Browser/OS: Chrome 70 on Windows

View result in a separate tab

Test name	Executions per second
Object.create()	0.0 Ops/sec
{}	733860544.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 2 months ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data and explain what's being tested.

**Benchmark Definition**

The benchmark is defined by a single JSON object with the following properties:

* `Name`: The name of the benchmark, which is "object create vs others".
* `Description`: An empty string, indicating that there is no description for this benchmark.
* `Script Preparation Code`: An empty string, meaning that no code needs to be executed before running the test.
* `Html Preparation Code`: Another empty string, indicating that no HTML preparation is required.

**Individual Test Cases**

The benchmark consists of two individual test cases:

1. `Test Name: "Object.create()"`
	* Benchmark Definition:
	```
var o = Object.create()
o.prototype.a = 1
o.prototype.b = 2
```

This code creates a new object `o` using the `Object.create()` method and then sets two properties on its prototype.

2. `Test Name: "{}"`.
	* Benchmark Definition:
	```
var o = {a: 1, b: 2}
```

This code creates an anonymous object `o` with two properties (`a` and `b`) using the syntax `{}`.

**Comparison of Options**

The benchmark compares two options:

1. **Using `Object.create()`**: This option uses the `Object.create()` method to create a new object.
	* Pros:
		+ Allows for more control over the prototype chain.
		+ Can be useful in certain situations where manual management is required.
	* Cons:
		+ Can be slower than other methods (e.g., using `{}`).
		+ May require more code to set up the prototype chain correctly.
2. **Using an anonymous object literal (`{}`)**: This option uses the syntax `{}` to create a new object.
	* Pros:
		+ Faster than using `Object.create()`.
		+ More concise and easier to read.
	* Cons:
		+ Less control over the prototype chain.
		+ May not be suitable for situations where manual management is required.

**Libraries and Special JS Features**

There are no libraries used in these test cases. However, it's worth noting that `Object.create()` is a built-in JavaScript method that has been available since ES5 (Ecma Script 5).

**Other Considerations**

When choosing between these two options, consider the following:

* If you need more control over the prototype chain or require manual management, use `Object.create()`.
* If you prefer a faster and more concise approach, use an anonymous object literal (`{}`).
* Keep in mind that the performance difference between these two methods is relatively small, so this benchmark may not accurately reflect real-world performance differences.

**Alternatives**

If you're looking for alternatives to these options:

* For creating objects with manual prototype management, consider using `new` with a constructor function or `Object.create()`.
* If you need more advanced features like object inheritance or manipulation, consider using a library like Lodash or Immutable.js.

Related benchmarks:

object create vs others (version: 0)

Comparing performance of: Object.create() vs {}

Created: 6 years ago by: Guest

Jump to the latest result

Object.create()

{}

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 2 months ago):