Benchmark: Demo ứng dụng javascript

HTML Preparation code:

<button>Test Click</button>
<div>Show result: <span id="result"></span>
</div>

Tests:

addEventListener
var button = document.querySelector("button"); button.addEventListener("click", function(){ document.getElementById("result").innerText = "da click"; });
onClick
var button = document.querySelector("button"); button.onclick = function(){ document.getElementById("result").innerText = "da click"; };

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
addEventListener
onClick

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 break down the benchmark and its components.

**Benchmark Overview**

MeasureThat.net is a website that allows users to create and run JavaScript microbenchmarks. The provided JSON represents a simple demo application with two test cases: `addEventListener` and `onClick`.

**Script Preparation Code**

The script preparation code is empty, which means that the user has not provided any custom initialization code for their benchmark.

**Html Preparation Code**

The HTML preparation code defines a basic HTML structure with a button element and a `div` element to display the result. The button element will trigger one of two events: `addEventListener` or `onClick`.

**Test Cases**

There are two test cases:

1. **`addEventListener`**: This test case benchmarks the performance of adding an event listener to an element using the `addEventListener` method.
```javascript
var button = document.querySelector("button");
button.addEventListener("click", function() {
  document.getElementById("result").innerText = "da click";
});
```
**Pros and Cons:**

* **Pros:** The `addEventListener` method allows for more flexibility and control over event handling, as it enables the use of custom event handlers.
* **Cons:** It may require more overhead to set up and manage event listeners, especially if there are many events being handled.

2. **`onClick`**: This test case benchmarks the performance of setting an `onclick` attribute on an element.
```javascript
var button = document.querySelector("button");
button.onclick = function() {
  document.getElementById("result").innerText = "da click";
};
```
**Pros and Cons:**

* **Pros:** The `onclick` attribute is simpler to set up and manage, especially for simple use cases where there are few events being handled.
* **Cons:** It may be less flexible and control over event handling compared to the `addEventListener` method.

**Library and Special Features**

There is no library used in these test cases. However, it's worth noting that the benchmark uses a standard JavaScript API (Document Object Model - DOM) for accessing HTML elements.

**Other Considerations**

When writing benchmarks like this one, it's essential to consider factors such as:

* **Input data**: How will input data be generated and managed?
* **Scalability**: Will the benchmark scale well with increasing complexity or concurrency?
* **Interference**: Are there any potential sources of interference that could impact the results?

**Alternatives**

Some alternatives for writing benchmarks include:

1. **Benchmarking libraries**: Specialized libraries like Benchmark.js, Fastest.js, or Microbenchmark.js can provide a more comprehensive and efficient way to write benchmarks.
2. **Web APIs**: Using web APIs such as Web Performance API (WPA) or HTTP/2 can provide more detailed insights into performance metrics.
3. **Profiling tools**: Using profiling tools like Chrome DevTools or Node.js Inspector can help identify performance bottlenecks.

Keep in mind that the choice of alternative will depend on specific use cases and requirements.

Related benchmarks:

Demo ứng dụng javascript (version: 1)

Demo ứng dụng javascript

Comparing performance of: addEventListener vs onClick

Created: 7 years ago by: Registered User

Jump to the latest result

addEventListener

onClick

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):