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Arrow function vs Bind function - forked
(version: 0)
Comparing performance of:
Arrow function vs Bind function
Created:
4 years ago
by:
Guest
Go to the latest result
Script Preparation code:
function foo() { return this; } arrowFn = () => foo(null); bindFn = foo.bind(this, null);
Tests:
Arrow function
arrowFn()
Bind function
bindFn()
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Arrow function
Bind function
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Browser/OS:
Chrome 134 on Mac OS X 10.15.7
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=598029" width="100%" height="500px"></iframe>
Bind function
66.9M/s
Arrow function
66.6M/s
View exact numbers
Test name
Executions per second
✓
Bind function
66,921,828 Ops/sec
Arrow function
66,598,640 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down what's being tested in this benchmark. **Benchmark Overview** The benchmark compares the performance of two approaches: arrow functions and bind functions (specifically, `foo.bind(this, null)`). **Options Being Compared** There are two main options being compared: 1. **Arrow Functions**: A concise way to define small functions using the `=>` syntax. 2. **Bind Function**: A method that attaches a new function context to an existing function. **Pros and Cons of Each Approach** **Arrow Functions:** Pros: * Concise and readable code * Automatically creates a new scope for the function, avoiding issues with `this` * Often faster than traditional functions Cons: * Limited flexibility and control over function behavior * Can't be used as callbacks or methods in certain contexts (e.g., events) **Bind Function:** Pros: * Provides explicit control over function context * Can be used in a wider range of scenarios, including callback functions and method invocation * Allows for more flexibility in function behavior Cons: * More verbose than arrow functions * Can lead to issues with scope and `this` if not used carefully **Library and Purpose** The benchmark doesn't explicitly mention any libraries being used. However, it's worth noting that the use of `bind(this, null)` implies a library or framework that supports this syntax. **Special JS Feature or Syntax** There is no special JavaScript feature or syntax mentioned in this benchmark. It focuses solely on comparing the performance of arrow functions and bind functions. **Other Alternatives** If you're looking for alternative approaches to arrow functions or bind functions, consider: * Traditional functions (e.g., `function foo() { ... }`) * Anonymous functions (e.g., `let bar = function() { ... };`) * Closures (e.g., using the `new` keyword or `var x = y; function z() { ... }`) * Modern alternatives like `=>` with optional context (e.g., `foo => foo(null)`) In conclusion, this benchmark provides a simple and effective way to compare the performance of arrow functions and bind functions in JavaScript. Understanding the pros and cons of each approach can help you make informed decisions about which one to use in your own projects.
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