Benchmark: arrow vs bind - MeasureThat.net

Tests:

bind
const x = (function(x) { return x }).bind(this)
arrow
const x = x => x

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
bind
arrow

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks.

**What is being tested?**

The provided JSON represents two test cases that compare the performance of two different approaches to achieve a specific functionality: binding an arrow function or using the `bind()` method in JavaScript. The tests are designed to measure which approach is faster, i.e., executes more executions per second (ExecutionsPerSecond).

**Options compared:**

Two options are being compared:

1. **Arrow functions**: Using the syntax `const x = x => x;` to define a function.
2. **bind() method**: Using the `bind()` method to create a new function that has the same context as the current execution context.

**Pros and cons of each approach:**

* **Arrow functions:**
	+ Pros:
		- More concise and readable syntax.
		- Automatic creation of a scope for the arrow function, which can reduce memory allocations.
	+ Cons:
		- May be slower due to the overhead of creating an object with the `this` context.
		- Can lead to unexpected behavior if not used carefully (e.g., when dealing with multiple inheritance).
* **bind() method:**
	+ Pros:
		- Allows for explicit control over the `this` context, which can be useful in certain scenarios.
		- Can be faster than arrow functions due to reduced overhead.
	+ Cons:
		- Requires more code and can be less readable.

**Library usage:**

None of the provided test cases use any external libraries. They only rely on built-in JavaScript features.

**Special JS feature or syntax:**

This benchmark does not explicitly mention any special JavaScript features or syntax, such as async/await, Promises, or ES6 classes. However, it is worth noting that both arrow functions and the `bind()` method are relatively new features introduced in ECMAScript 2015 (ES6).

**Other alternatives:**

If you're interested in exploring other approaches to achieve a similar functionality, here are some alternatives:

* Using a closure to create an anonymous function.
* Defining a function expression using the `function` keyword.
* Using a lambda function (if your environment supports it).
* Creating a new function instance using the `new` keyword.

Keep in mind that each of these approaches has its own trade-offs and may offer different performance characteristics or coding conveniences.

Related benchmarks:

arrow vs bind (version: 0)

Comparing performance of: bind vs arrow

Created: 9 years ago by: Guest

Jump to the latest result

bind

arrow

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

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