Benchmark: new Error vs new Object

Tests:

Error
new Error('test')
Object
Object.create({ name: 'test' })

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Error
Object

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

Let's dive into the world of MeasureThat.net and understand what's being tested in this benchmark.

**What is being tested?**

The provided JSON represents a benchmark that compares the performance of creating two types of objects: `Error` objects and regular JavaScript objects (i.e., without throwing an error).

Specifically, it tests:

1. Creating a new `Error` object with a custom message using the syntax `new Error('test')`.
2. Creating a new object using the `Object.create()` method with a custom prototype that has a single property `name`.

**Options being compared**

The benchmark compares two approaches:

1. **New `Error` object**: The first approach creates a new `Error` object by calling the constructor function with a custom message.
2. **Regular JavaScript object using `Object.create()```**: The second approach uses `Object.create()` to create a new object with a specific prototype.

**Pros and cons of each approach**

1. **New `Error` object**:
	* Pros: Creating an error object is straightforward, and it's often the first way developers think of creating a custom object.
	* Cons: Error objects are not as flexible or configurable as regular JavaScript objects, and they may not be suitable for all use cases.
2. **Regular JavaScript object using `Object.create()`**:
	* Pros: This approach provides more control over the object's prototype chain, making it suitable for scenarios where you need to create a new object with specific properties or behaviors.
	* Cons: The syntax can be less familiar to some developers, and it may require additional knowledge of JavaScript prototypes.

**Other considerations**

In modern JavaScript, you might not need to explicitly create objects using `Object.create()`, as many built-in functions and methods return objects directly (e.g., `JSON.parse()`, `Array.prototype.map()`). However, in some cases, using `Object.create()` can be beneficial for creating a new object with specific properties or behaviors.

**Library and purpose**

None of the provided test cases use any external libraries. The focus is solely on comparing the performance of creating custom objects using JavaScript's built-in constructors.

**Special JS feature or syntax**

There are no special JavaScript features or syntax used in these benchmark tests. Both approaches rely on standard JavaScript constructs (constructors, prototypes, and object creation).

Now that we've explored the benchmark, let's discuss alternatives:

Other ways to create objects in JavaScript include:

1. **Constructor functions**: Creating an object using a constructor function, such as `function Person(name) { this.name = name; }`.
2. **Class declarations**: Using modern JavaScript classes (introduced in ECMAScript 2015) to define classes and create instances.
3. **Object literals**: Creating objects directly using the `{ property: value }` syntax.

Keep in mind that these alternatives might not be relevant to this specific benchmark, as it focuses on comparing the performance of creating error objects versus regular JavaScript objects using `Object.create()`.

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.192 Safari/537.36

Browser/OS: Chrome 88 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Error	326672.1 Ops/sec
Object	1537811.5 Ops/sec

Related benchmarks:

new Error vs new Object (version: 0)

Comparing error creation performance

Comparing performance of: Error vs Object

Created: 3 years ago by: Guest

Jump to the latest result

Error

Object

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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