Benchmark: textContent, nodeValue set value perf

Script Preparation code:

var a = document.createElement('a'); a.innerText = 'text';

Tests:

textContent
a.textContent = 'new text'
nodeValue
a.nodeValue = 'new text'

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
textContent
nodeValue

Fastest: N/A

Slowest: N/A

Latest run results:

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

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I'd be happy to help you understand what's being tested in the MeasureThat.net benchmark.

**Benchmark Overview**

The benchmark measures the performance difference between two ways of setting the value of an element: using `textContent` and using `nodeValue`. Both methods are used to set the text content of a specific HTML element.

**Options Compared**

There are only two options being compared:

1. **textContent**: This method sets the text content of an element by directly modifying the `textContent` property.
2. **nodeValue**: This method sets the text content of an element by setting its `nodeValue` property.

**Pros and Cons**

*   **textContent**:
    *   Pros: Simple, straightforward approach that works well for most use cases. It's also a widely supported property in browsers.
    *   Cons: Might be less efficient than using `nodeValue`, especially if the text content is large or complex.
*   **nodeValue**:
    *   Pros: More flexible and powerful than `textContent`. It allows for more nuanced control over the text content, such as setting different values for different parts of the element.
    *   Cons: Less widely supported than `textContent`, which might lead to compatibility issues in certain browsers.

**Library Used**

In this benchmark, no specific library is used. The tests are written directly in JavaScript using the standard DOM API.

**Special JS Features or Syntax**

There's an interesting syntax used here: template literals (e.g., `"new text"`). Template literals are a feature introduced in ECMAScript 2015 that allows you to embed expressions inside string literals. In this benchmark, they're used to set the initial value of `a` and then update it with different values.

**Other Alternatives**

If you were to implement this benchmark from scratch, here are some alternatives to consider:

1.  **Use a library like jQuery**: If you wanted to add more features or improve performance, you could use a library like jQuery, which provides a higher-level API for working with the DOM.
2.  **Optimize using WebAssembly**: For even better performance, you could compile your JavaScript code to WebAssembly and run it in a sandboxed environment using technologies like Wasmtime or V8.
3.  **Compare with other approaches**: Depending on the specific requirements of your benchmark, you might want to compare `textContent` and `nodeValue` with other methods, such as using CSS styles or implementing a custom parser for the text content.

Keep in mind that these alternatives would require significant changes to the benchmarking code and setup. MeasureThat.net likely optimized their implementation to achieve good performance and reliability.

Related benchmarks:

textContent, nodeValue set value perf (version: 0)

Comparing performance of: textContent vs nodeValue

Created: 3 years ago by: Guest

Jump to the latest result

textContent

nodeValue

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):